janwas
f715e6c226
scriptglue: additional refactoring scriptinghost: remove useless GC function SpiderMonkey.h: more dox This was SVN commit r2497.
67 lines
1.6 KiB
C++
Executable File
67 lines
1.6 KiB
C++
Executable File
#include "precompiled.h"
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#include "StringConvert.h"
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#include "lib/types.h"
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#include "scripting/SpiderMonkey.h"
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#if SDL_BYTE_ORDER == SDL_BIG_ENDIAN
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#define ucs2le_to_wchart(ptr) (wchar_t)( (u16) ((u8*)ptr)[0] | (u16) ( ((u8*)ptr)[1] << 8) )
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#else
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#define ucs2le_to_wchart(ptr) (wchar_t)(*ptr);
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#endif
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JSString* StringConvert::wchars_to_jsstring(JSContext* cx, const wchar_t* chars, size_t len)
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{
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if (len == 0)
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return JSVAL_TO_STRING(JS_GetEmptyStringValue(cx));
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jschar* data = (jschar*)JS_malloc(cx, len*sizeof(jschar));
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if (!data)
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return NULL;
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// Copy the string data, doing wchar_t->jschar conversion (since they're not equal in GCC)
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for (size_t i=0; i<len; ++i)
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data[i] = chars[i];
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return JS_NewUCString(cx, data, len);
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}
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JSString* StringConvert::wchars_to_jsstring(JSContext* cx, const wchar_t* chars)
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{
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return wchars_to_jsstring(cx, chars, wcslen(chars));
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}
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JSString* StringConvert::wstring_to_jsstring(JSContext* cx, const std::wstring& str)
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{
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return wchars_to_jsstring(cx, str.data(), str.length());
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}
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void StringConvert::jsstring_to_wstring(JSString* str, std::wstring& result)
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{
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jschars_to_wstring(JS_GetStringChars(str), JS_GetStringLength(str), result);
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}
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void StringConvert::jschars_to_wstring(const jschar* chars, size_t len, std::wstring& result)
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{
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debug_assert(result.empty());
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result.resize(len);
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for (size_t i = 0; i < len; ++i)
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result[i] = chars[i];
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}
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void StringConvert::ucs2le_to_wstring(const char* start, const char* end, std::wstring& result)
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{
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debug_assert(result.empty());
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result.resize((end-start)/2);
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size_t i = 0;
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for (const char* pos = start; pos < end; pos += 2)
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result[i++] = ucs2le_to_wchart(pos);
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}
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