mirror of
https://github.com/reactos/reactos.git
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292 lines
8.4 KiB
C
292 lines
8.4 KiB
C
/*
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* Win32 5.1 uxtheme ini file processing
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*
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* Copyright (C) 2004 Kevin Koltzau
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "uxthemep.h"
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/***********************************************************************
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* Defines and global variables
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*/
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static const WCHAR szTextFileResource[] = {
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'T','E','X','T','F','I','L','E','\0'
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};
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typedef struct _UXINI_FILE {
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LPCWSTR lpIni;
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LPCWSTR lpCurLoc;
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LPCWSTR lpEnd;
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} UXINI_FILE, *PUXINI_FILE;
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/***********************************************************************/
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/**********************************************************************
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* UXINI_LoadINI
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*
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* Load a theme INI file out of resources from the specified
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* theme
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*
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* PARAMS
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* tf Theme to load INI file out of resources
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* lpName Resource name of the INI file
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*
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* RETURNS
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* INI file, or NULL if not found
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*/
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PUXINI_FILE UXINI_LoadINI(HMODULE hTheme, LPCWSTR lpName) {
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HRSRC hrsc;
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LPCWSTR lpThemesIni = NULL;
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PUXINI_FILE uf;
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DWORD dwIniSize;
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TRACE("Loading resource INI %s\n", debugstr_w(lpName));
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if((hrsc = FindResourceW(hTheme, lpName, szTextFileResource))) {
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if(!(lpThemesIni = LoadResource(hTheme, hrsc))) {
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TRACE("%s resource not found\n", debugstr_w(lpName));
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return NULL;
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}
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}
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dwIniSize = SizeofResource(hTheme, hrsc) / sizeof(WCHAR);
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uf = HeapAlloc(GetProcessHeap(), 0, sizeof(UXINI_FILE));
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uf->lpIni = lpThemesIni;
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uf->lpCurLoc = lpThemesIni;
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uf->lpEnd = lpThemesIni + dwIniSize;
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return uf;
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}
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/**********************************************************************
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* UXINI_CloseINI
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*
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* Close an open theme INI file
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*
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* PARAMS
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* uf Theme INI file to close
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*/
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void UXINI_CloseINI(PUXINI_FILE uf)
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{
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HeapFree(GetProcessHeap(), 0, uf);
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}
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/**********************************************************************
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* UXINI_eof
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*
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* Determines if we are at the end of the INI file
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*
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* PARAMS
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* uf Theme INI file to test
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*/
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static inline BOOL UXINI_eof(PUXINI_FILE uf)
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{
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return uf->lpCurLoc >= uf->lpEnd;
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}
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/**********************************************************************
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* UXINI_isspace
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*
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* Check if a character is a space character
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*
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* PARAMS
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* c Character to test
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*/
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static inline BOOL UXINI_isspace(WCHAR c)
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{
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if (isspace(c)) return TRUE;
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if (c=='\r') return TRUE;
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return FALSE;
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}
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/**********************************************************************
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* UXINI_GetNextLine
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*
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* Get the next line in the INI file, non NULL terminated
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* removes whitespace at beginning and end of line, and removes comments
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*
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* PARAMS
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* uf INI file to retrieve next line
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* dwLen Location to store pointer to line length
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*
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* RETURNS
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* The section name, non NULL terminated
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*/
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static LPCWSTR UXINI_GetNextLine(PUXINI_FILE uf, DWORD *dwLen)
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{
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LPCWSTR lpLineEnd;
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LPCWSTR lpLineStart;
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DWORD len;
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do {
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if(UXINI_eof(uf)) return NULL;
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/* Skip whitespace and empty lines */
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while(!UXINI_eof(uf) && (UXINI_isspace(*uf->lpCurLoc) || *uf->lpCurLoc == '\n')) uf->lpCurLoc++;
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lpLineStart = uf->lpCurLoc;
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lpLineEnd = uf->lpCurLoc;
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while(!UXINI_eof(uf) && *uf->lpCurLoc != '\n' && *uf->lpCurLoc != ';') lpLineEnd = ++uf->lpCurLoc;
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/* If comment was found, skip the rest of the line */
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if(*uf->lpCurLoc == ';')
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while(!UXINI_eof(uf) && *uf->lpCurLoc != '\n') uf->lpCurLoc++;
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len = (lpLineEnd - lpLineStart);
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if(*lpLineStart != ';' && len == 0)
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return NULL;
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} while(*lpLineStart == ';');
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/* Remove whitespace from end of line */
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while(UXINI_isspace(lpLineStart[len-1])) len--;
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*dwLen = len;
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return lpLineStart;
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}
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static inline void UXINI_UnGetToLine(PUXINI_FILE uf, LPCWSTR lpLine)
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{
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uf->lpCurLoc = lpLine;
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}
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/**********************************************************************
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* UXINI_GetNextSection
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*
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* Locate the next section in the ini file, and return pointer to
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* section name, non NULL terminated. Use dwLen to determine length
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*
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* PARAMS
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* uf INI file to search, search starts at current location
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* dwLen Location to store pointer to section name length
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*
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* RETURNS
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* The section name, non NULL terminated
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*/
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LPCWSTR UXINI_GetNextSection(PUXINI_FILE uf, DWORD *dwLen)
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{
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LPCWSTR lpLine;
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while((lpLine = UXINI_GetNextLine(uf, dwLen))) {
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/* Assuming a ']' ending to the section name */
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if(lpLine[0] == '[') {
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lpLine++;
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*dwLen -= 2;
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break;
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}
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}
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return lpLine;
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}
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/**********************************************************************
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* UXINI_FindSection
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*
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* Locate a section with the specified name, search starts
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* at current location in ini file
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*
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* PARAMS
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* uf INI file to search, search starts at current location
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* lpName Name of the section to locate
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*
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* RETURNS
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* TRUE if section was found, FALSE otherwise
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*/
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BOOL UXINI_FindSection(PUXINI_FILE uf, LPCWSTR lpName)
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{
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LPCWSTR lpSection;
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DWORD dwLen;
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while((lpSection = UXINI_GetNextSection(uf, &dwLen))) {
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if(CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE, lpSection, dwLen, lpName, -1) == CSTR_EQUAL) {
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return TRUE;
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}
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}
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return FALSE;
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}
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/**********************************************************************
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* UXINI_GetNextValue
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*
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* Locate the next value in the current section
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*
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* PARAMS
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* uf INI file to search, search starts at current location
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* dwNameLen Location to store pointer to value name length
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* lpValue Location to store pointer to the value
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* dwValueLen Location to store pointer to value length
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*
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* RETURNS
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* The value name, non NULL terminated
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*/
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LPCWSTR UXINI_GetNextValue(PUXINI_FILE uf, DWORD *dwNameLen, LPCWSTR *lpValue, DWORD *dwValueLen)
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{
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LPCWSTR lpLine;
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LPCWSTR lpLineEnd;
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LPCWSTR name = NULL;
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LPCWSTR value = NULL;
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DWORD vallen = 0;
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DWORD namelen = 0;
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DWORD dwLen;
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lpLine = UXINI_GetNextLine(uf, &dwLen);
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if(!lpLine)
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return NULL;
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if(lpLine[0] == '[') {
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UXINI_UnGetToLine(uf, lpLine);
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return NULL;
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}
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lpLineEnd = lpLine + dwLen;
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name = lpLine;
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while(namelen < dwLen && *lpLine != '=') {
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lpLine++;
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namelen++;
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}
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if(*lpLine != '=') return NULL;
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lpLine++;
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/* Remove whitespace from end of name */
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while(UXINI_isspace(name[namelen-1])) namelen--;
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/* Remove whitespace from beginning of value */
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while(UXINI_isspace(*lpLine) && lpLine < lpLineEnd) lpLine++;
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value = lpLine;
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vallen = dwLen-(value-name);
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*dwNameLen = namelen;
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*dwValueLen = vallen;
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*lpValue = value;
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return name;
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}
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/**********************************************************************
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* UXINI_FindValue
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*
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* Locate a value by name
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*
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* PARAMS
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* uf INI file to search, search starts at current location
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* lpName Value name to locate
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* lpValue Location to store pointer to the value
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* dwValueLen Location to store pointer to value length
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*
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* RETURNS
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* The value name, non NULL terminated
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*/
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BOOL UXINI_FindValue(PUXINI_FILE uf, LPCWSTR lpName, LPCWSTR *lpValue, DWORD *dwValueLen)
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{
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LPCWSTR name;
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DWORD namelen;
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while((name = UXINI_GetNextValue(uf, &namelen, lpValue, dwValueLen))) {
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if(CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE, name, namelen, lpName, -1) == CSTR_EQUAL) {
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return TRUE;
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}
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}
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return FALSE;
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}
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