mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-08 08:47:17 +01:00
1269 lines
43 KiB
C++
1269 lines
43 KiB
C++
// ------------------------------------------------------------------------------------------------
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#include "Library/String.hpp"
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#include "Base/Shared.hpp"
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#include "Base/Buffer.hpp"
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// ------------------------------------------------------------------------------------------------
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#include <sqstdstring.h>
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// ------------------------------------------------------------------------------------------------
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#include <cctype>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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// ------------------------------------------------------------------------------------------------
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#include <algorithm>
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// ------------------------------------------------------------------------------------------------
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namespace SqMod {
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// ------------------------------------------------------------------------------------------------
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CSStr LeftStr(CSStr s, SQChar f, Uint32 w)
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{
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// Is the specified width valid?
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if (!w)
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{
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return _SC(""); // Default to an empty string!
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}
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// Allocate a buffer with the requested width
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Buffer b(w + 1); // + null terminator
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// Is the specified string valid?
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if (!s || *s == '\0')
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{
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// Insert only the fill character
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std::memset(b.Data(), f, w);
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}
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else
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{
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// Calculate the string length
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const Uint32 n = std::strlen(s);
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// Insert only the fill character first
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std::memset(b.Data(), f, w);
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// Overwrite with the specified string
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std::strncpy(b.Data(), s, n);
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}
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// End the resulted string
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b.At(w) = '\0';
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// Return the resulted string
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return b.Get< SQChar >();
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}
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// ------------------------------------------------------------------------------------------------
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static SQInteger SqLeftStr(HSQUIRRELVM vm)
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{
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const Int32 top = sq_gettop(vm);
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// Was the fill character specified?
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if (top <= 1)
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{
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return sq_throwerror(vm, "Missing fill character");
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}
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// Was the string width specified?
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else if (top <= 2)
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{
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return sq_throwerror(vm, "Missing string boundaries");
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}
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// Was the string value specified?
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else if (top <= 3)
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{
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return sq_throwerror(vm, "Missing string value");
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}
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// Attempt to generate the string value
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StackStrF val(vm, 4);
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// Have we failed to retrieve the string?
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if (SQ_FAILED(val.mRes))
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{
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return val.mRes; // Propagate the error!
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}
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// The fill character and string boundaries
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SQChar fchar = 0;
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Uint32 width = 0;
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// Attempt to retrieve the remaining arguments from the stack
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try
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{
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fchar = Var< SQChar >(vm, 2).value;
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width = Var< Uint32 >(vm, 3).value;
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}
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catch (const Sqrat::Exception & e)
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{
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return sq_throwerror(vm, e.Message().c_str());
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}
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catch (...)
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{
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return sq_throwerror(vm, "Unable to retrieve arguments");
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}
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// Forward the call to the actual implementation
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sq_pushstring(vm, LeftStr(val.mPtr, fchar, width), -1);
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// We have an argument on the stack
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return 1;
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}
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// ------------------------------------------------------------------------------------------------
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CSStr LeftStr(CSStr s, SQChar f, Uint32 w, Uint32 o)
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{
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// Is the specified width valid?
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if (!w)
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{
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return _SC(""); // Default to an empty string!
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}
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// Is the specified offset within width range?
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else if (o > w)
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{
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STHROWF("Offset is out of bounds");
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}
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// Allocate a buffer with the requested width
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Buffer b(w + 1); // + null terminator
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// Is the specified string valid?
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if (!s || *s == '\0')
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{
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// Insert only the fill character
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std::memset(b.Data(), f, w);
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}
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else
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{
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// Calculate the string length
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const Uint32 n = std::strlen(s);
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// Insert the fill character first
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std::memset(b.Data(), f, w);
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// Overwrite with the specified string
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if (n > (w - o))
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{
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std::strncpy(b.Data() + o, s, n);
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}
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else
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{
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std::memcpy(b.Data() + o, s, (n) * sizeof(SQChar));
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}
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}
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// End the resulted string
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b.At(w) = '\0';
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// Return the resulted string
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return b.Get();
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}
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// ------------------------------------------------------------------------------------------------
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static SQInteger SqLeftOffsetStr(HSQUIRRELVM vm)
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{
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const Int32 top = sq_gettop(vm);
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// Was the fill character specified?
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if (top <= 1)
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{
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return sq_throwerror(vm, "Missing fill character");
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}
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// Was the string width specified?
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else if (top <= 2)
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{
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return sq_throwerror(vm, "Missing string boundaries");
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}
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// Was the string offset specified?
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else if (top <= 3)
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{
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return sq_throwerror(vm, "Missing string offset");
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}
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// Was the string value specified?
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else if (top <= 4)
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{
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return sq_throwerror(vm, "Missing string value");
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}
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// Attempt to generate the string value
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StackStrF val(vm, 5);
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// Have we failed to retrieve the string?
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if (SQ_FAILED(val.mRes))
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{
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return val.mRes; // Propagate the error!
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}
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// The fill character and string boundaries
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SQChar fchar = 0;
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Uint32 width = 0;
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Uint32 offset = 0;
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// Attempt to retrieve the remaining arguments from the stack
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try
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{
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fchar = Var< SQChar >(vm, 2).value;
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width = Var< Uint32 >(vm, 3).value;
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offset = Var< Uint32 >(vm, 4).value;
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}
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catch (const Sqrat::Exception & e)
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{
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return sq_throwerror(vm, e.Message().c_str());
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}
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catch (...)
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{
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return sq_throwerror(vm, "Unable to retrieve arguments");
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}
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// Is the specified offset within width range?
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if (offset > width)
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{
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return sq_throwerror(vm, "Offset is out of bounds");
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}
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// Forward the call to the actual implementation
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sq_pushstring(vm, LeftStr(val.mPtr, fchar, width, offset), -1);
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// We have an argument on the stack
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return 1;
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}
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// ------------------------------------------------------------------------------------------------
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CSStr RightStr(CSStr s, SQChar f, Uint32 w)
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{
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// Is the specified width valid?
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if (!w)
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{
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return _SC(""); // Default to an empty string!
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}
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// Allocate a buffer with the requested width
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Buffer b(w + 1); // + null terminator
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// Is the specified string valid?
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if (!s || *s == '\0')
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{
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// Insert only the fill character
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std::memset(b.Data(), f, w);
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}
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else
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{
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// Calculate the string length
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const Uint32 n = std::strlen(s);
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// Insert the fill character first
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std::memset(b.Data(), f, w);
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// Overwrite with the specified string
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if (n >= w)
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{
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std::strncpy(b.Data(), s, w);
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}
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else
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{
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std::strncpy(b.Data() + (w - n), s, n);
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}
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}
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// End the resulted string
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b.At(w) = '\0';
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// Return the resulted string
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return b.Get< SQChar >();
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}
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// ------------------------------------------------------------------------------------------------
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static SQInteger SqRightStr(HSQUIRRELVM vm)
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{
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const Int32 top = sq_gettop(vm);
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// Was the fill character specified?
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if (top <= 1)
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{
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return sq_throwerror(vm, "Missing fill character");
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}
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// Was the string width specified?
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else if (top <= 2)
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{
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return sq_throwerror(vm, "Missing string boundaries");
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}
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// Was the string value specified?
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else if (top <= 3)
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{
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return sq_throwerror(vm, "Missing string value");
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}
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// Attempt to generate the string value
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StackStrF val(vm, 4);
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// Have we failed to retrieve the string?
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if (SQ_FAILED(val.mRes))
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{
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return val.mRes; // Propagate the error!
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}
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// The fill character and string boundaries
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SQChar fchar = 0;
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Uint32 width = 0;
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// Attempt to retrieve the remaining arguments from the stack
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try
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{
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fchar = Var< SQChar >(vm, 2).value;
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width = Var< Uint32 >(vm, 3).value;
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}
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catch (const Sqrat::Exception & e)
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{
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return sq_throwerror(vm, e.Message().c_str());
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}
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catch (...)
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{
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return sq_throwerror(vm, "Unable to retrieve arguments");
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}
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// Forward the call to the actual implementation
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sq_pushstring(vm, RightStr(val.mPtr, fchar, width), -1);
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// We have an argument on the stack
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return 1;
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}
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// ------------------------------------------------------------------------------------------------
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CSStr RightStr(CSStr s, SQChar f, Uint32 w, Uint32 o)
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{
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// Is the specified width valid?
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if (!w)
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{
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return _SC(""); // Default to an empty string!
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}
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// Is the specified offset within width range?
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else if (o > w)
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{
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STHROWF("Offset is out of bounds");
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}
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// Allocate a buffer with the requested width
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Buffer b(w + 1); // + null terminator
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// Is the specified string valid?
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if (!s || *s == '\0')
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{
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// Insert only the fill character
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std::memset(b.Data(), f, w);
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}
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else
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{
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// Calculate the string length
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const Uint32 n = std::strlen(s);
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// Insert the fill character first
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std::memset(b.Data(), f, w);
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// Overwrite with the specified string
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if (n >= w || (n + o) >= w)
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{
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std::strncpy(b.Data(), s, w - o);
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}
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else
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{
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std::strncpy(b.Data() + ((w - n) - o), s, n);
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}
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}
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// End the resulted string
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b.At(w) = '\0';
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// Return the resulted string
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return b.Get< SQChar >();
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}
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// ------------------------------------------------------------------------------------------------
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static SQInteger SqRightOffsetStr(HSQUIRRELVM vm)
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{
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const Int32 top = sq_gettop(vm);
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// Was the fill character specified?
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if (top <= 1)
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{
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return sq_throwerror(vm, "Missing fill character");
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}
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// Was the string width specified?
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else if (top <= 2)
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{
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return sq_throwerror(vm, "Missing string boundaries");
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}
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// Was the string offset specified?
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else if (top <= 3)
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{
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return sq_throwerror(vm, "Missing string offset");
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}
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// Was the string value specified?
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else if (top <= 4)
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{
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return sq_throwerror(vm, "Missing string value");
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}
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// Attempt to generate the string value
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StackStrF val(vm, 5);
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// Have we failed to retrieve the string?
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if (SQ_FAILED(val.mRes))
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{
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return val.mRes; // Propagate the error!
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}
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// The fill character and string boundaries
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SQChar fchar = 0;
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Uint32 width = 0;
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Uint32 offset = 0;
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// Attempt to retrieve the remaining arguments from the stack
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try
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{
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fchar = Var< SQChar >(vm, 2).value;
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width = Var< Uint32 >(vm, 3).value;
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offset = Var< Uint32 >(vm, 4).value;
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}
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catch (const Sqrat::Exception & e)
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{
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return sq_throwerror(vm, e.Message().c_str());
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}
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catch (...)
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{
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return sq_throwerror(vm, "Unable to retrieve arguments");
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}
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// Is the specified offset within width range?
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if (offset > width)
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{
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return sq_throwerror(vm, "Offset is out of bounds");
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}
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// Forward the call to the actual implementation
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sq_pushstring(vm, RightStr(val.mPtr, fchar, width, offset), -1);
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// We have an argument on the stack
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return 1;
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}
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// ------------------------------------------------------------------------------------------------
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CSStr CenterStr(CSStr s, SQChar f, Uint32 w)
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{
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// Is the specified width valid?
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if (!w)
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{
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return _SC(""); // Default to an empty string!
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}
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// Allocate a buffer with the requested width
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Buffer b(w + 1); // + null terminator
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// Is the specified string valid?
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if (!s || *s == '\0')
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{
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// Insert only the fill character
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std::memset(b.Data(), f, w);
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}
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else
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{
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// Calculate the string length
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const Uint32 n = std::strlen(s);
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// Insert only the fill character first
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std::memset(b.Data(), f, w);
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// Overwrite with the specified string
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std::strncpy(b.Data() + ((w/2) - (n/2)), s, n);
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}
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// End the resulted string
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b.At(w) = '\0';
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// Return the resulted string
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return b.Get< SQChar >();
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}
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// ------------------------------------------------------------------------------------------------
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static SQInteger SqCenterStr(HSQUIRRELVM vm)
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{
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const Int32 top = sq_gettop(vm);
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// Was the fill character specified?
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if (top <= 1)
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{
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return sq_throwerror(vm, "Missing fill character");
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}
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// Was the string width specified?
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else if (top <= 2)
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{
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return sq_throwerror(vm, "Missing string boundaries");
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}
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// Was the string value specified?
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else if (top <= 3)
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{
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return sq_throwerror(vm, "Missing string value");
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}
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// Attempt to generate the string value
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StackStrF val(vm, 4);
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// Have we failed to retrieve the string?
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if (SQ_FAILED(val.mRes))
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{
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return val.mRes; // Propagate the error!
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}
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// The fill character and string boundaries
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SQChar fchar = 0;
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Uint32 width = 0;
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// Attempt to retrieve the remaining arguments from the stack
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try
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{
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fchar = Var< SQChar >(vm, 2).value;
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width = Var< Uint32 >(vm, 3).value;
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}
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catch (const Sqrat::Exception & e)
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{
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return sq_throwerror(vm, e.Message().c_str());
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}
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catch (...)
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{
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return sq_throwerror(vm, "Unable to retrieve arguments");
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}
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// Forward the call to the actual implementation
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sq_pushstring(vm, CenterStr(val.mPtr, fchar, width), -1);
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// We have an argument on the stack
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return 1;
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}
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// ------------------------------------------------------------------------------------------------
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CSStr StrJustAlphaNum(CSStr str)
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{
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// See if we actually have something to search for
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if(!str || *str == '\0')
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{
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return _SC(""); // Default to an empty string!
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}
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// Calculate the string length
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Uint32 size = std::strlen(str);
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// Obtain a temporary buffer
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Buffer b(size + 1); // + null terminator
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// Resulted string size
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Uint32 n = 0;
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// Currently processed character
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SQChar c = 0;
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// Process characters
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while ((c = *(str++)) != '\0')
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{
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// Is this an alpha-numeric character?
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if (std::isalnum(c) != 0)
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{
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// Save it and move to the next one
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b.At(n++) = c;
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}
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}
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// End the resulted string
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b.At(n) = '\0';
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// Return the string
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return b.Get< SQChar >();
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}
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// ------------------------------------------------------------------------------------------------
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Buffer StrToLowercaseB(CSStr str)
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{
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// See if we actually have something to search for
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if(!str || *str == '\0')
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{
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return Buffer(); // Default to an empty buffer!
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}
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// Calculate the string length
|
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Uint32 size = std::strlen(str);
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// Obtain a temporary buffer
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Buffer b(size + 1); // + null terminator
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// Resulted string size
|
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Uint32 n = 0;
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// Currently processed character
|
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SQChar c = 0;
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// Process characters
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while ((c = *(str++)) != '\0')
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{
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// Convert it and move to the next one
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b.At(n++) = std::tolower(c);
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}
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// End the resulted string
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b.At(n) = '\0';
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// Move the cursor to the end
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b.Move(n);
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// Return ownership of the buffer
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return std::move(b);
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}
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// ------------------------------------------------------------------------------------------------
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CSStr StrToLowercase(CSStr str)
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{
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// See if we actually have something to search for
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if(!str || *str == '\0')
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{
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return _SC(""); // Default to an empty string!
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}
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// Attempt to convert and return the result
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return StrToLowercaseB(str).Get< SQChar >();
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}
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// ------------------------------------------------------------------------------------------------
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static SQInteger SqToLowercase(HSQUIRRELVM vm)
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{
|
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// Attempt to retrieve the value from the stack as a string
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StackStrF val(vm, 2);
|
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// Have we failed to retrieve the string?
|
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if (SQ_FAILED(val.mRes))
|
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{
|
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return val.mRes; // Propagate the error!
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}
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// Forward the call to the actual implementation and store the buffer
|
|
Buffer b(StrToLowercaseB(val.mPtr));
|
|
// Is there anything in the buffer?
|
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if (!b)
|
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{
|
|
// Default to an empty string
|
|
sq_pushstring(vm, _SC(""), 0);
|
|
}
|
|
else
|
|
{
|
|
// Push the buffer data as a string
|
|
sq_pushstring(vm, b.Data(), b.Position());
|
|
}
|
|
// We have a value to return on the stack
|
|
return 1;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
Buffer StrToUppercaseB(CSStr str)
|
|
{
|
|
// See if we actually have something to search for
|
|
if(!str || *str == '\0')
|
|
{
|
|
return Buffer(); // Default to an empty buffer!
|
|
}
|
|
// Calculate the string length
|
|
Uint32 size = std::strlen(str); // + null terminator
|
|
// Obtain a temporary buffer
|
|
Buffer b(size + 1); // + null terminator
|
|
// Resulted string size
|
|
Uint32 n = 0;
|
|
// Process characters
|
|
while (*str != '\0')
|
|
{
|
|
// Convert it and move to the next one
|
|
b.At(n++) = std::toupper(*(str++));
|
|
}
|
|
// End the resulted string
|
|
b.At(n) = '\0';
|
|
// Move the cursor to the end
|
|
b.Move(n);
|
|
// Return ownership of the buffer
|
|
return std::move(b);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
CSStr StrToUppercase(CSStr str)
|
|
{
|
|
// See if we actually have something to search for
|
|
if(!str || *str == '\0')
|
|
{
|
|
return _SC(""); // Default to an empty string!
|
|
}
|
|
// Attempt to convert and return the result
|
|
return StrToUppercaseB(str).Get< SQChar >();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
static SQInteger SqToUppercase(HSQUIRRELVM vm)
|
|
{
|
|
// Attempt to retrieve the value from the stack as a string
|
|
StackStrF val(vm, 2);
|
|
// Have we failed to retrieve the string?
|
|
if (SQ_FAILED(val.mRes))
|
|
{
|
|
return val.mRes; // Propagate the error!
|
|
}
|
|
// Forward the call to the actual implementation and store the buffer
|
|
Buffer b(StrToUppercaseB(val.mPtr));
|
|
// Is there anything in the buffer?
|
|
if (!b)
|
|
{
|
|
// Default to an empty string
|
|
sq_pushstring(vm, _SC(""), 0);
|
|
}
|
|
else
|
|
{
|
|
// Push the buffer data as a string
|
|
sq_pushstring(vm, b.Data(), b.Position());
|
|
}
|
|
// We have a value to return on the stack
|
|
return 1;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------------------------------
|
|
* Known character classifications
|
|
*/
|
|
enum struct CharClass
|
|
{
|
|
IsSpace = 0,
|
|
IsPrint,
|
|
IsCntrl,
|
|
IsUpper,
|
|
IsLower,
|
|
IsAlpha,
|
|
IsDigit,
|
|
IsPunct,
|
|
IsXdigit,
|
|
IsAlnum,
|
|
IsGraph,
|
|
IsBlank
|
|
};
|
|
|
|
/* ------------------------------------------------------------------------------------------------
|
|
* Specialization for the character classifications.
|
|
*/
|
|
template < CharClass > struct CharClassSpec;
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsSpace >
|
|
{
|
|
static inline int Fn(int c) { return std::isspace(c); }
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsPrint >
|
|
{
|
|
static inline int Fn(int c) { return std::isprint(c); }
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsCntrl >
|
|
{
|
|
static inline int Fn(int c) { return std::iscntrl(c); }
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsUpper >
|
|
{
|
|
static inline int Fn(int c) { return std::isupper(c); }
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsLower >
|
|
{
|
|
static inline int Fn(int c) { return std::islower(c); }
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsAlpha >
|
|
{
|
|
static inline int Fn(int c) { return std::isalpha(c); }
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsDigit >
|
|
{
|
|
static inline int Fn(int c) { return std::isdigit(c); }
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsPunct >
|
|
{
|
|
static inline int Fn(int c) { return std::ispunct(c); }
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsXdigit >
|
|
{
|
|
static inline int Fn(int c) { return std::isxdigit(c); }
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsAlnum >
|
|
{
|
|
static inline int Fn(int c) { return std::isalnum(c); }
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsGraph >
|
|
{
|
|
static inline int Fn(int c) { return std::isgraph(c); }
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
template <> struct CharClassSpec< CharClass::IsBlank >
|
|
{
|
|
static inline int Fn(int c) { return std::isblank(c); }
|
|
};
|
|
|
|
/* ------------------------------------------------------------------------------------------------
|
|
* Templated functions for working with character classification functions.
|
|
*/
|
|
template < class T > struct StrCType
|
|
{
|
|
/* --------------------------------------------------------------------------------------------
|
|
* Checks if all the characters in the specified string are of the specified class.
|
|
*/
|
|
static bool AllCharsImpl(CSStr str)
|
|
{
|
|
// See if we actually have something to search for
|
|
if(!str || *str == '\0')
|
|
{
|
|
return false; // Subject to change!
|
|
}
|
|
// Start iterating characters and find the first that doesn't match
|
|
while (*str != '\0')
|
|
{
|
|
// Call the predicate with the current character
|
|
if (T::Fn(*(str++)) == 0)
|
|
{
|
|
return false; // This character did not pass the test
|
|
}
|
|
}
|
|
// All characters passed the test
|
|
return true;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------
|
|
* Extracts and forwards the string argument to the actual implementation.
|
|
*/
|
|
static SQInteger AllChars(HSQUIRRELVM vm)
|
|
{
|
|
// Attempt to retrieve the value from the stack as a string
|
|
StackStrF val(vm, 2);
|
|
// Have we failed to retrieve the string?
|
|
if (SQ_FAILED(val.mRes))
|
|
{
|
|
return val.mRes; // Propagate the error!
|
|
}
|
|
// Perform the actual check and push the result on the stack
|
|
sq_pushbool(vm, AllCharsImpl(val.mPtr));
|
|
// We have a value to return on the stack
|
|
return 1;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------
|
|
* Find the position of the first character that matches the specified class.
|
|
*/
|
|
static SQInteger FirstCharImpl(CSStr str)
|
|
{
|
|
// See if we actually have something to search for
|
|
if(!str || *str == '\0')
|
|
{
|
|
return -1; // Subject to change!
|
|
}
|
|
// Start iterating characters and find the first that matches
|
|
for (Uint32 n = 0; *str != '\0'; ++n, ++str)
|
|
{
|
|
// Call the predicate with the current character
|
|
if (T::Fn(*str) != 0)
|
|
{
|
|
// This character passed our test
|
|
return static_cast< SQInteger >(n);
|
|
}
|
|
}
|
|
// Unable to locate such character
|
|
return -1;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------
|
|
* Extracts and forwards the string argument to the actual implementation.
|
|
*/
|
|
static SQInteger FirstChar(HSQUIRRELVM vm)
|
|
{
|
|
// Attempt to retrieve the value from the stack as a string
|
|
StackStrF val(vm, 2);
|
|
// Have we failed to retrieve the string?
|
|
if (SQ_FAILED(val.mRes))
|
|
{
|
|
return val.mRes; // Propagate the error!
|
|
}
|
|
// Perform the actual check and store the resulted value
|
|
SQInteger ret = FirstCharImpl(val.mPtr);
|
|
// Have we found anything?
|
|
if (ret >= 0)
|
|
{
|
|
sq_pushinteger(vm, ret);
|
|
}
|
|
else
|
|
{
|
|
sq_pushnull(vm);
|
|
}
|
|
// We have a value to return on the stack
|
|
return 1;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------
|
|
* Find the position of the first character that doesn't match the specified class.
|
|
*/
|
|
static SQInteger FirstNotCharImpl(CSStr str)
|
|
{
|
|
// See if we actually have something to search for
|
|
if(!str || *str == '\0')
|
|
{
|
|
return -1; // Subject to change!
|
|
}
|
|
// Start iterating characters and find the first that doesn't match
|
|
for (Uint32 n = 0; *str != '\0'; ++n, ++str)
|
|
{
|
|
// Call the predicate with the current character
|
|
if (T::Fn(*str) == 0)
|
|
{
|
|
// This character passed our test
|
|
return static_cast< SQInteger >(n);
|
|
}
|
|
}
|
|
// Unable to locate such character
|
|
return -1;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------
|
|
* Extracts and forwards the string argument to the actual implementation.
|
|
*/
|
|
static SQInteger FirstNotChar(HSQUIRRELVM vm)
|
|
{
|
|
// Attempt to retrieve the value from the stack as a string
|
|
StackStrF val(vm, 2);
|
|
// Have we failed to retrieve the string?
|
|
if (SQ_FAILED(val.mRes))
|
|
{
|
|
return val.mRes; // Propagate the error!
|
|
}
|
|
// Perform the actual check and store the resulted value
|
|
SQInteger ret = FirstNotCharImpl(val.mPtr);
|
|
// Have we found anything?
|
|
if (ret >= 0)
|
|
{
|
|
sq_pushinteger(vm, ret);
|
|
}
|
|
else
|
|
{
|
|
sq_pushnull(vm);
|
|
}
|
|
// We have a value to return on the stack
|
|
return 1;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------
|
|
* Find the position of the last character that matches the specified class.
|
|
*/
|
|
static SQInteger LastCharImpl(CSStr str)
|
|
{
|
|
// See if we actually have something to search for
|
|
if(!str || *str == '\0')
|
|
{
|
|
return -1; // Subject to change!
|
|
}
|
|
// Find the end of the string
|
|
CSStr end = std::strchr(str, '\0') - 1;
|
|
// Start iterating characters and find the first that matches
|
|
for (; end >= str; --end)
|
|
{
|
|
// Call the predicate with the current character
|
|
if (T::Fn(*end) != 0)
|
|
{
|
|
// This character passed our test
|
|
return static_cast< SQInteger >(end - str);
|
|
}
|
|
}
|
|
// Unable to locate such character
|
|
return -1;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------
|
|
* Extracts and forwards the string argument to the actual implementation.
|
|
*/
|
|
static SQInteger LastChar(HSQUIRRELVM vm)
|
|
{
|
|
// Attempt to retrieve the value from the stack as a string
|
|
StackStrF val(vm, 2);
|
|
// Have we failed to retrieve the string?
|
|
if (SQ_FAILED(val.mRes))
|
|
{
|
|
return val.mRes; // Propagate the error!
|
|
}
|
|
// Perform the actual check and store the resulted value
|
|
SQInteger ret = LastCharImpl(val.mPtr);
|
|
// Have we found anything?
|
|
if (ret >= 0)
|
|
{
|
|
sq_pushinteger(vm, ret);
|
|
}
|
|
else
|
|
{
|
|
sq_pushnull(vm);
|
|
}
|
|
// We have a value to return on the stack
|
|
return 1;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------
|
|
* Find the position of the last character that doesn't match the specified class.
|
|
*/
|
|
static SQInteger LastNotCharImpl(CSStr str)
|
|
{
|
|
// See if we actually have something to search for
|
|
if(!str || *str == '\0')
|
|
{
|
|
return -1; // Subject to change!
|
|
}
|
|
// Find the end of the string
|
|
CSStr end = std::strchr(str, '\0') - 1;
|
|
// Start iterating characters and find the first that matches
|
|
for (; end >= str; --end)
|
|
{
|
|
// Call the predicate with the current character
|
|
if (T::Fn(*end) == 0)
|
|
{
|
|
// This character passed our test
|
|
return static_cast< SQInteger >(end - str);
|
|
}
|
|
}
|
|
// Unable to locate such character
|
|
return -1;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------
|
|
* Extracts and forwards the string argument to the actual implementation.
|
|
*/
|
|
static SQInteger LastNotChar(HSQUIRRELVM vm)
|
|
{
|
|
// Attempt to retrieve the value from the stack as a string
|
|
StackStrF val(vm, 2);
|
|
// Have we failed to retrieve the string?
|
|
if (SQ_FAILED(val.mRes))
|
|
{
|
|
return val.mRes; // Propagate the error!
|
|
}
|
|
// Perform the actual check and store the resulted value
|
|
SQInteger ret = LastNotCharImpl(val.mPtr);
|
|
// Have we found anything?
|
|
if (ret >= 0)
|
|
{
|
|
sq_pushinteger(vm, ret);
|
|
}
|
|
else
|
|
{
|
|
sq_pushnull(vm);
|
|
}
|
|
// We have a value to return on the stack
|
|
return 1;
|
|
}
|
|
|
|
};
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
static bool OnlyDelimiter(CSStr str, SQChar chr)
|
|
{
|
|
while (*str != '\0')
|
|
{
|
|
// Is this different from the delimiter?
|
|
if (*(str++) != chr)
|
|
{
|
|
// Another character was found
|
|
return false;
|
|
}
|
|
}
|
|
// No other character was found
|
|
return true;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
static Array StrExplode(CSStr str, SQChar chr, bool empty)
|
|
{
|
|
// See if we actually have something to explode
|
|
if(!str || *str == '\0')
|
|
{
|
|
// Default to an empty array
|
|
return Array(DefaultVM::Get(), 0);
|
|
}
|
|
// Don't modify the specified string pointer
|
|
CSStr itr = str, last = str;
|
|
// The number of delimiter occurrences
|
|
Uint32 num = 0;
|
|
// Pre-count how many delimiters of this type exist
|
|
while (*itr != '\0')
|
|
{
|
|
// Is this our delimiter?
|
|
if (*(itr++) == chr)
|
|
{
|
|
// Are we allowed to include empty elements?
|
|
if (empty || (itr - last) > 1)
|
|
{
|
|
// Increase the count
|
|
++num;
|
|
}
|
|
// Update the last delimiter position
|
|
last = itr;
|
|
}
|
|
}
|
|
// Were there no delimiters found and can we include empty elements?
|
|
if (num == 0 && !empty && (str[1] == '\0' || OnlyDelimiter(str, chr)))
|
|
{
|
|
// Default to an empty array
|
|
return Array(DefaultVM::Get(), 0);
|
|
}
|
|
// Have we found any delimiters?
|
|
else if (num == 0)
|
|
{
|
|
// Create an array with just one element
|
|
Array arr(DefaultVM::Get(), 1);
|
|
// Test against strings with only delimiters
|
|
if (str[1] == '\0' || OnlyDelimiter(str, chr))
|
|
{
|
|
arr.SetValue(0, _SC("")); // Add an empty string
|
|
}
|
|
else
|
|
{
|
|
arr.SetValue(0, str); // Add the whole string
|
|
}
|
|
// Return the resulted array
|
|
return arr;
|
|
}
|
|
// Is there anything after the last delimiter?
|
|
if (itr != last && *last != chr)
|
|
{
|
|
++num; // Add it to the counter
|
|
}
|
|
// Pre-allocate an array with the number of found delimiters
|
|
Array arr(DefaultVM::Get(), num);
|
|
// Remember the initial stack size
|
|
StackGuard sg;
|
|
// Push the array object on the stack
|
|
sq_pushobject(DefaultVM::Get(), arr.GetObject());
|
|
// Don't modify the specified string pointer
|
|
itr = str, last = str;
|
|
// Reset the counter and use it as the element index
|
|
num = 0;
|
|
// Process the string again, this time slicing the actual elements
|
|
while (*itr != '\0')
|
|
{
|
|
// Is this our delimiter?
|
|
if (*itr++ == chr)
|
|
{
|
|
// Are we allowed to include empty elements?
|
|
if (empty || (itr - last) > 1)
|
|
{
|
|
// Push the element index on the stack and advance to the next one
|
|
sq_pushinteger(DefaultVM::Get(), num++);
|
|
// Push the string portion on the stack
|
|
sq_pushstring(DefaultVM::Get(), last, itr - last - 1);
|
|
// Assign the string onto the
|
|
sq_set(DefaultVM::Get(), -3);
|
|
}
|
|
// Update the last delimiter position
|
|
last = itr;
|
|
}
|
|
}
|
|
// Is there anything after the last delimiter?
|
|
if (itr != last && *last != chr)
|
|
{
|
|
// Push the element index on the stack
|
|
sq_pushinteger(DefaultVM::Get(), num);
|
|
// Add the remaining string as an element
|
|
sq_pushstring(DefaultVM::Get(), last, itr - last);
|
|
// Assign the string onto the
|
|
sq_set(DefaultVM::Get(), -3);
|
|
}
|
|
// Return the resulted array and let the stack guard handle the cleanup
|
|
return arr;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
static CSStr StrImplode(Array & arr, SQChar chr)
|
|
{
|
|
// Determine array size
|
|
const Int32 length = static_cast< Int32 >(arr.Length());
|
|
// Is there anything to implode?
|
|
if (length <= 0)
|
|
{
|
|
return _SC(""); // Default to an empty string
|
|
}
|
|
// Obtain a temporary buffer
|
|
Buffer b(length * 32);
|
|
// Process array elements
|
|
for (SQInteger i = 0; i < length; ++i)
|
|
{
|
|
// Retrieve the element value as string
|
|
SharedPtr< String > str = arr.GetValue< String >(i);
|
|
// Was there any value retrieved?
|
|
if (!!str)
|
|
{
|
|
// Append the value to the buffer
|
|
b.AppendS(str->data(), str->size());
|
|
}
|
|
// Append the delimiter
|
|
b.Push(chr);
|
|
}
|
|
// Move the cursor back one element
|
|
b.Retreat(1);
|
|
// Set that as the null character
|
|
b.Cursor() = '\0';
|
|
// Return the string
|
|
return b.Get< SQChar >();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
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static CSStr FromArray(Array & arr)
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{
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// Determine array size
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const Int32 length = static_cast< Int32 >(arr.Length());
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// Obtain a temporary buffer
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Buffer b(length * sizeof(Int32));
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// Get array elements as integers
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arr.GetArray< Int32 >(b.Get< Int32 >(), length);
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// Overwrite integers with characters
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for (Int32 n = 0; n < length; ++n)
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{
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b.At(n) = static_cast< SQChar >(b.At< Int32 >(n));
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}
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// Terminate the resulted string
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b.At(length) = '\0';
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// Return the string
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return b.Get< SQChar >();
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}
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// ------------------------------------------------------------------------------------------------
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static SQInteger StdPrintF(HSQUIRRELVM vm)
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{
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CStr msg = nullptr;
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SQInteger length = 0;
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// Attempt to run the specified format and save the result
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const SQRESULT res = sqstd_format(vm, 2, &length, &msg);
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// Validate the result for errors and propagate them to the VM
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|
if(SQ_FAILED(res))
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{
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return res; // Return the error!
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}
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// Send the resulted string to console as a user message
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|
LogUsr("%s", msg);
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|
// This function doesn't return anything
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|
return 0;
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|
}
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|
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// ================================================================================================
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void Register_String(HSQUIRRELVM vm)
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{
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Table strns(vm);
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strns.Func(_SC("FromArray"), &FromArray)
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.Func(_SC("JustAlphaNum"), &StrJustAlphaNum)
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.Func(_SC("Explode"), &StrExplode)
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.Func(_SC("Implode"), &StrImplode)
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.SquirrelFunc(_SC("Center"), &SqCenterStr)
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.SquirrelFunc(_SC("Left"), &SqLeftStr)
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.SquirrelFunc(_SC("Right"), &SqRightStr)
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.SquirrelFunc(_SC("LeftOffset"), &SqLeftOffsetStr)
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.SquirrelFunc(_SC("RightOffset"), &SqRightOffsetStr)
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.SquirrelFunc(_SC("Lower"), &SqToLowercase)
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|
.SquirrelFunc(_SC("Upper"), &SqToUppercase)
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|
.SquirrelFunc(_SC("Lowercase"), &SqToLowercase)
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|
.SquirrelFunc(_SC("Uppercase"), &SqToUppercase)
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|
.SquirrelFunc(_SC("AreAllSpace"), &StrCType< CharClassSpec< CharClass::IsSpace > >::AllChars)
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|
.SquirrelFunc(_SC("AreAllPrint"), &StrCType< CharClassSpec< CharClass::IsPrint > >::AllChars)
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|
.SquirrelFunc(_SC("AreAllCntrl"), &StrCType< CharClassSpec< CharClass::IsCntrl > >::AllChars)
|
|
.SquirrelFunc(_SC("AreAllUpper"), &StrCType< CharClassSpec< CharClass::IsUpper > >::AllChars)
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|
.SquirrelFunc(_SC("AreAllLower"), &StrCType< CharClassSpec< CharClass::IsLower > >::AllChars)
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|
.SquirrelFunc(_SC("AreAllAlpha"), &StrCType< CharClassSpec< CharClass::IsAlpha > >::AllChars)
|
|
.SquirrelFunc(_SC("AreAllDigit"), &StrCType< CharClassSpec< CharClass::IsDigit > >::AllChars)
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.SquirrelFunc(_SC("AreAllPunct"), &StrCType< CharClassSpec< CharClass::IsPunct > >::AllChars)
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|
.SquirrelFunc(_SC("AreAllXdigit"), &StrCType< CharClassSpec< CharClass::IsXdigit > >::AllChars)
|
|
.SquirrelFunc(_SC("AreAllAlnum"), &StrCType< CharClassSpec< CharClass::IsAlnum > >::AllChars)
|
|
.SquirrelFunc(_SC("AreAllGraph"), &StrCType< CharClassSpec< CharClass::IsGraph > >::AllChars)
|
|
.SquirrelFunc(_SC("AreAllBlank"), &StrCType< CharClassSpec< CharClass::IsBlank > >::AllChars)
|
|
.SquirrelFunc(_SC("FirstSpace"), &StrCType< CharClassSpec< CharClass::IsSpace > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstPrint"), &StrCType< CharClassSpec< CharClass::IsPrint > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstCntrl"), &StrCType< CharClassSpec< CharClass::IsCntrl > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstUpper"), &StrCType< CharClassSpec< CharClass::IsUpper > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstLower"), &StrCType< CharClassSpec< CharClass::IsLower > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstAlpha"), &StrCType< CharClassSpec< CharClass::IsAlpha > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstDigit"), &StrCType< CharClassSpec< CharClass::IsDigit > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstPunct"), &StrCType< CharClassSpec< CharClass::IsPunct > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstXdigit"), &StrCType< CharClassSpec< CharClass::IsXdigit > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstAlnum"), &StrCType< CharClassSpec< CharClass::IsAlnum > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstGraph"), &StrCType< CharClassSpec< CharClass::IsGraph > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstBlank"), &StrCType< CharClassSpec< CharClass::IsBlank > >::FirstChar)
|
|
.SquirrelFunc(_SC("FirstNotSpace"), &StrCType< CharClassSpec< CharClass::IsSpace > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("FirstNotPrint"), &StrCType< CharClassSpec< CharClass::IsPrint > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("FirstNotCntrl"), &StrCType< CharClassSpec< CharClass::IsCntrl > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("FirstNotUpper"), &StrCType< CharClassSpec< CharClass::IsUpper > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("FirstNotLower"), &StrCType< CharClassSpec< CharClass::IsLower > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("FirstNotAlpha"), &StrCType< CharClassSpec< CharClass::IsAlpha > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("FirstNotDigit"), &StrCType< CharClassSpec< CharClass::IsDigit > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("FirstNotPunct"), &StrCType< CharClassSpec< CharClass::IsPunct > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("FirstNotXdigit"), &StrCType< CharClassSpec< CharClass::IsXdigit > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("FirstNotAlnum"), &StrCType< CharClassSpec< CharClass::IsAlnum > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("FirstNotGraph"), &StrCType< CharClassSpec< CharClass::IsGraph > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("FirstNotBlank"), &StrCType< CharClassSpec< CharClass::IsBlank > >::FirstNotChar)
|
|
.SquirrelFunc(_SC("LastSpace"), &StrCType< CharClassSpec< CharClass::IsSpace > >::LastChar)
|
|
.SquirrelFunc(_SC("LastPrint"), &StrCType< CharClassSpec< CharClass::IsPrint > >::LastChar)
|
|
.SquirrelFunc(_SC("LastCntrl"), &StrCType< CharClassSpec< CharClass::IsCntrl > >::LastChar)
|
|
.SquirrelFunc(_SC("LastUpper"), &StrCType< CharClassSpec< CharClass::IsUpper > >::LastChar)
|
|
.SquirrelFunc(_SC("LastLower"), &StrCType< CharClassSpec< CharClass::IsLower > >::LastChar)
|
|
.SquirrelFunc(_SC("LastAlpha"), &StrCType< CharClassSpec< CharClass::IsAlpha > >::LastChar)
|
|
.SquirrelFunc(_SC("LastDigit"), &StrCType< CharClassSpec< CharClass::IsDigit > >::LastChar)
|
|
.SquirrelFunc(_SC("LastPunct"), &StrCType< CharClassSpec< CharClass::IsPunct > >::LastChar)
|
|
.SquirrelFunc(_SC("LastXdigit"), &StrCType< CharClassSpec< CharClass::IsXdigit > >::LastChar)
|
|
.SquirrelFunc(_SC("LastAlnum"), &StrCType< CharClassSpec< CharClass::IsAlnum > >::LastChar)
|
|
.SquirrelFunc(_SC("LastGraph"), &StrCType< CharClassSpec< CharClass::IsGraph > >::LastChar)
|
|
.SquirrelFunc(_SC("LastBlank"), &StrCType< CharClassSpec< CharClass::IsBlank > >::LastChar)
|
|
.SquirrelFunc(_SC("LastNotSpace"), &StrCType< CharClassSpec< CharClass::IsSpace > >::LastNotChar)
|
|
.SquirrelFunc(_SC("LastNotPrint"), &StrCType< CharClassSpec< CharClass::IsPrint > >::LastNotChar)
|
|
.SquirrelFunc(_SC("LastNotCntrl"), &StrCType< CharClassSpec< CharClass::IsCntrl > >::LastNotChar)
|
|
.SquirrelFunc(_SC("LastNotUpper"), &StrCType< CharClassSpec< CharClass::IsUpper > >::LastNotChar)
|
|
.SquirrelFunc(_SC("LastNotLower"), &StrCType< CharClassSpec< CharClass::IsLower > >::LastNotChar)
|
|
.SquirrelFunc(_SC("LastNotAlpha"), &StrCType< CharClassSpec< CharClass::IsAlpha > >::LastNotChar)
|
|
.SquirrelFunc(_SC("LastNotDigit"), &StrCType< CharClassSpec< CharClass::IsDigit > >::LastNotChar)
|
|
.SquirrelFunc(_SC("LastNotPunct"), &StrCType< CharClassSpec< CharClass::IsPunct > >::LastNotChar)
|
|
.SquirrelFunc(_SC("LastNotXdigit"), &StrCType< CharClassSpec< CharClass::IsXdigit > >::LastNotChar)
|
|
.SquirrelFunc(_SC("LastNotAlnum"), &StrCType< CharClassSpec< CharClass::IsAlnum > >::LastNotChar)
|
|
.SquirrelFunc(_SC("LastNotGraph"), &StrCType< CharClassSpec< CharClass::IsGraph > >::LastNotChar)
|
|
.SquirrelFunc(_SC("LastNotBlank"), &StrCType< CharClassSpec< CharClass::IsBlank > >::LastNotChar);
|
|
|
|
RootTable(vm).Bind(_SC("SqStr"), strns);
|
|
RootTable(vm).SquirrelFunc(_SC("printf"), &StdPrintF);
|
|
}
|
|
|
|
} // Namespace:: SqMod
|