2005-05-02 21:47:06 +02:00
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#include "precompiled.h"
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#include "ps/CStr.h"
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#include "ps/VFSUtil.h"
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#include "lib/res/res.h"
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#include "scripting/ScriptingHost.h"
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#include "scripting/JSConversions.h"
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2005-05-03 06:27:07 +02:00
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#include "scripting/JSInterface_VFS.h"
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2005-05-02 21:47:06 +02:00
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/*
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array = buildFileList(start_directory, bool recursive, string pattern)
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ms_since_1970 = getFileTimeStamp(filename)
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size = getFileSize(filename)
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string = readFile(filename)
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array (of string) = readFileLines(filename)
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*/
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struct BuildFileListState
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{
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JSContext* cx;
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JSObject* filename_array;
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int cur_idx;
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BuildFileListState(JSContext* cx_)
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: cx(cx_)
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{
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filename_array = JS_NewArrayObject(cx, 0, NULL);
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cur_idx = 0;
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}
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};
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static void BuildFileListCB(const char* path, const vfsDirEnt* ent, void* context)
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{
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BuildFileListState* s = (BuildFileListState*)context;
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2005-05-03 06:27:07 +02:00
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CStr result = path;
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/* result += CStr( ent->name ); */
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jsval val = ToJSVal( result );
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2005-05-02 21:47:06 +02:00
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JS_SetElement(s->cx, s->filename_array, s->cur_idx, &val);
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2005-05-03 06:27:07 +02:00
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s->cur_idx++;
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2005-05-02 21:47:06 +02:00
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}
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2005-05-03 06:27:07 +02:00
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JSBool JSI_VFS::BuildFileList( JSContext* cx, JSObject* obj, uintN argc, jsval* argv, jsval* rval )
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2005-05-02 21:47:06 +02:00
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{
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//
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// get arguments
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//
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assert( argc >= 1 );
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CStr path;
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if( !ToPrimitive<CStr>( cx, argv[0], path ) )
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return( JS_FALSE );
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CStr filter_str = "";
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if(argc >= 2)
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{
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if( !ToPrimitive<CStr>( cx, argv[1], filter_str ) )
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return( JS_FALSE );
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}
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// convert to const char*; if there's no filter, pass 0 for speed
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// (interpreted as: "accept all files without comparing").
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const char* filter = 0;
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if(!filter_str.empty())
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filter = filter_str.c_str();
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bool recursive = false;
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if(argc >= 3)
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{
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if( !ToPrimitive<bool>( cx, argv[2], recursive ) )
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return( JS_FALSE );
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}
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// build array in the callback function
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BuildFileListState state(cx);
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VFSUtil::EnumDirEnts(path, filter, recursive, BuildFileListCB, &state);
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2005-05-03 06:27:07 +02:00
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*rval = OBJECT_TO_JSVAL( state.filename_array );
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2005-05-02 21:47:06 +02:00
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return( JS_TRUE );
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}
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JSBool JSI_VFS::GetFileMTime( JSContext* cx, JSObject* obj, uintN argc, jsval* argv, jsval* rval )
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{
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assert( argc >= 1 );
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CStr filename;
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if( !ToPrimitive<CStr>( cx, argv[0], filename ) )
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return( JS_FALSE );
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struct stat s;
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if( !vfs_exists( filename.c_str() ) )
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{
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*rval = JSVAL_NULL;
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return( JS_TRUE );
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}
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if(vfs_stat(filename.c_str(), &s) < 0)
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return( JS_FALSE );
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*rval = ToJSVal( (double)s.st_mtime );
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return( JS_TRUE );
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}
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2005-05-03 06:27:07 +02:00
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JSBool JSI_VFS::GetFileSize( JSContext* cx, JSObject* obj, uintN argc, jsval* argv, jsval* rval )
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{
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assert( argc >= 1 );
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CStr filename;
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if( !ToPrimitive<CStr>( cx, argv[0], filename ) )
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return( JS_FALSE );
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struct stat s;
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if( !vfs_exists( filename.c_str() ) )
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{
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*rval = JSVAL_NULL;
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return( JS_TRUE );
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}
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if(vfs_stat(filename.c_str(), &s) < 0)
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return( JS_FALSE );
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2005-05-03 06:27:07 +02:00
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*rval = ToJSVal( (uint)s.st_size );
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return( JS_TRUE );
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}
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JSBool JSI_VFS::ReadFile( JSContext* cx, JSObject* obj, uintN argc, jsval* argv, jsval* rval )
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{
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assert( argc >= 1 );
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CStr filename;
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if( !ToPrimitive<CStr>( cx, argv[0], filename ) )
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return( JS_FALSE );
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void* p;
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size_t size;
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if( !vfs_exists( filename.c_str() ) )
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{
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*rval = JSVAL_NULL;
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return( JS_TRUE );
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}
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Handle hm = vfs_load(filename.c_str(), p, size);
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if(hm <= 0)
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return( JS_FALSE );
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CStr contents((const char*)p, size);
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mem_free_h(hm);
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2005-05-03 06:27:07 +02:00
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*rval = ToJSVal( CStr( contents ) );
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return( JS_TRUE );
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}
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2005-05-03 06:27:07 +02:00
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JSBool JSI_VFS::ReadFileLines( JSContext* cx, JSObject* obj, uintN argc, jsval* argv, jsval* rval )
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{
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assert( argc >= 1 );
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CStr filename;
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if( !ToPrimitive<CStr>( cx, argv[0], filename ) )
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return( JS_FALSE );
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// read file
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void* p;
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size_t size;
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2005-05-03 06:27:07 +02:00
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if( !vfs_exists( filename.c_str() ) )
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{
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*rval = JSVAL_NULL;
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return( JS_TRUE );
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}
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Handle hm = vfs_load(filename.c_str(), p, size);
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if(hm <= 0)
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return( JS_FALSE );
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std::string contents((const char*)p, size);
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mem_free_h(hm);
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// split into array of strings (one per line)
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std::stringstream ss(contents);
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JSObject* line_array = JS_NewArrayObject(cx, 0, NULL);
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std::string line;
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while(std::getline(ss, line))
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{
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jsval val = ToJSVal( CStr( line ) );
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JS_SetElement(cx, line_array, 0, &val);
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}
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2005-05-03 06:27:07 +02:00
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*rval = OBJECT_TO_JSVAL( line_array);
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return( JS_TRUE );
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}
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