mirror of
https://github.com/ApfelTeeSaft/reactos.git
synced 2026-09-02 12:23:31 +00:00
move xml.h/cpp and ssprintf.h/cpp up a directory, make both rbuild and buildno use these same files
svn path=/trunk/; revision=19708
This commit is contained in:
Royce Mitchell III
@@ -0,0 +1,920 @@
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/*
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* Copyright (C) 2005 Casper S. Hornstrup
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
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*
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* This program 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
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||||
* GNU General Public License for more details.
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||||
*
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||||
* You should have received a copy of the GNU General Public License
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||||
* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifdef _MSC_VER
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#pragma warning ( disable : 4786 )
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#endif//_MSC_VER
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#ifdef WIN32
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# include <direct.h>
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# include <io.h>
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#else
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# include <sys/stat.h>
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# define MAX_PATH PATH_MAX
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#endif
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#include <assert.h>
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#include "xml.h"
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#include "ssprintf.h"
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#ifndef MAX_PATH
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#define MAX_PATH _MAX_PATH
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#endif
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using std::string;
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using std::vector;
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#ifdef WIN32
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#define getcwd _getcwd
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#endif//WIN32
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static const char* WS = " \t\r\n";
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static const char* WSEQ = " =\t\r\n";
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string working_directory;
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XMLException::XMLException (
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const std::string& location,
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const char* format, ... )
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{
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va_list args;
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va_start ( args, format );
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SetExceptionV ( location, format, args );
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va_end ( args );
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}
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void XMLException::SetExceptionV ( const std::string& location, const char* format, va_list args )
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{
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_e = location + ": " + ssvprintf(format,args);
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}
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void XMLException::SetException ( const std::string& location, const char* format, ... )
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{
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va_list args;
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va_start ( args, format );
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SetExceptionV ( location, format, args );
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va_end ( args );
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}
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XMLIncludes::~XMLIncludes()
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{
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for ( size_t i = 0; i < this->size(); i++ )
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delete (*this)[i];
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}
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void
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InitWorkingDirectory()
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{
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// store the current directory for path calculations
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working_directory.resize ( MAX_PATH );
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working_directory[0] = 0;
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getcwd ( &working_directory[0], working_directory.size() );
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working_directory.resize ( strlen ( working_directory.c_str() ) );
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}
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#ifdef _MSC_VER
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unsigned __int64
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#else
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||||
unsigned long long
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||||
#endif
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||||
filelen ( FILE* f )
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||||
{
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||||
#ifdef WIN32
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return _filelengthi64 ( _fileno(f) );
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#else
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# ifdef __FreeBSD__
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struct stat file_stat;
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if ( fstat(fileno(f), &file_stat) != 0 )
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# else
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struct stat64 file_stat;
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if ( fstat64(fileno(f), &file_stat) != 0 )
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# endif // __FreeBSD__
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return 0;
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return file_stat.st_size;
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#endif // WIN32
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}
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Path::Path()
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{
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if ( !working_directory.size() )
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InitWorkingDirectory();
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string s ( working_directory );
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const char* p = strtok ( &s[0], "/\\" );
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while ( p )
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||||
{
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if ( *p )
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path.push_back ( p );
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p = strtok ( NULL, "/\\" );
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}
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}
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|
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Path::Path ( const Path& cwd, const string& file )
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||||
{
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string s ( cwd.Fixup ( file, false ) );
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const char* p = strtok ( &s[0], "/\\" );
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||||
while ( p )
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||||
{
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||||
if ( *p )
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path.push_back ( p );
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p = strtok ( NULL, "/\\" );
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||||
}
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||||
}
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||||
string
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||||
Path::Fixup ( const string& file, bool include_filename ) const
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||||
{
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if ( strchr ( "/\\", file[0] )
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||||
#ifdef WIN32
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||||
// this squirreliness is b/c win32 has drive letters and *nix doesn't...
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|| file[1] == ':'
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#endif//WIN32
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||||
)
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||||
{
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return file;
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||||
}
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vector<string> pathtmp ( path );
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string tmp ( file );
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const char* prev = strtok ( &tmp[0], "/\\" );
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const char* p = strtok ( NULL, "/\\" );
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while ( p )
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{
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if ( !strcmp ( prev, "." ) )
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||||
; // do nothing
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else if ( !strcmp ( prev, ".." ) )
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||||
{
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||||
// this squirreliness is b/c win32 has drive letters and *nix doesn't...
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||||
#ifdef WIN32
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||||
if ( pathtmp.size() > 1 )
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||||
#else
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||||
if ( pathtmp.size() )
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#endif
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pathtmp.resize ( pathtmp.size() - 1 );
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}
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else
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pathtmp.push_back ( prev );
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prev = p;
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p = strtok ( NULL, "/\\" );
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}
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if ( include_filename )
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pathtmp.push_back ( prev );
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// reuse tmp variable to return recombined path
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tmp.resize(0);
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for ( size_t i = 0; i < pathtmp.size(); i++ )
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||||
{
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// this squirreliness is b/c win32 has drive letters and *nix doesn't...
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#ifdef WIN32
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if ( i ) tmp += "/";
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#else
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||||
tmp += "/";
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#endif
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tmp += pathtmp[i];
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}
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return tmp;
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}
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string
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Path::RelativeFromWorkingDirectory ()
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{
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string out = "";
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||||
for ( size_t i = 0; i < path.size(); i++ )
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||||
{
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||||
out += "/" + path[i];
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||||
}
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||||
return RelativeFromWorkingDirectory ( out );
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||||
}
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||||
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||||
string
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Path::RelativeFromWorkingDirectory ( const string& path )
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{
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return Path::RelativeFromDirectory ( path, working_directory );
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}
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string
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Path::RelativeFromDirectory (
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const string& path,
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const string& base_directory )
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{
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||||
vector<string> vbase, vpath, vout;
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Path::Split ( vbase, base_directory, true );
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Path::Split ( vpath, path, true );
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#ifdef WIN32
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// this squirreliness is b/c win32 has drive letters and *nix doesn't...
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// not possible to do relative across different drive letters
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||||
{
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||||
char path_driveletter = (path[1] == ':') ? toupper(path[0]) : 0;
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char base_driveletter = (base_directory[1] == ':') ? toupper(base_directory[0]) : 0;
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if ( path_driveletter != base_driveletter )
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return path;
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}
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#endif
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size_t i = 0;
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while ( i < vbase.size() && i < vpath.size() && vbase[i] == vpath[i] )
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++i;
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||||
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||||
// did we go through all of the path?
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if ( vbase.size() == vpath.size() && i == vpath.size() )
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||||
return ".";
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||||
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||||
if ( i < vbase.size() )
|
||||
{
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||||
// path goes above our base directory, we will need some ..'s
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for ( size_t j = i; j < vbase.size(); j++ )
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vout.push_back ( ".." );
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||||
}
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||||
while ( i < vpath.size() )
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vout.push_back ( vpath[i++] );
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||||
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||||
// now merge vout into a string again
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||||
string out = vout[0];
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||||
for ( i = 1; i < vout.size(); i++ )
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||||
{
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||||
out += "/" + vout[i];
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||||
}
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||||
return out;
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||||
}
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||||
|
||||
void
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Path::Split (
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vector<string>& out,
|
||||
const string& path,
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||||
bool include_last )
|
||||
{
|
||||
string s ( path );
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||||
const char* prev = strtok ( &s[0], "/\\" );
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||||
const char* p = strtok ( NULL, "/\\" );
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||||
out.resize ( 0 );
|
||||
while ( p )
|
||||
{
|
||||
if ( strcmp ( prev, "." ) )
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||||
out.push_back ( prev );
|
||||
prev = p;
|
||||
p = strtok ( NULL, "/\\" );
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||||
}
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if ( include_last && strcmp ( prev, "." ) )
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out.push_back ( prev );
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// special-case where path only has "."
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// don't move this check up higher as it might miss
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// some funny paths...
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if ( !out.size() && !strcmp ( prev, "." ) )
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out.push_back ( "." );
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||||
}
|
||||
|
||||
XMLFile::XMLFile()
|
||||
{
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||||
}
|
||||
|
||||
void
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||||
XMLFile::close()
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||||
{
|
||||
_buf.resize(0);
|
||||
_p = _end = NULL;
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||||
}
|
||||
|
||||
bool
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||||
XMLFile::open ( const string& filename_ )
|
||||
{
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||||
close();
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||||
FILE* f = fopen ( filename_.c_str(), "rb" );
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||||
if ( !f )
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||||
return false;
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||||
unsigned long len = (unsigned long)filelen(f);
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||||
_buf.resize ( len );
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||||
fread ( &_buf[0], 1, len, f );
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||||
fclose ( f );
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||||
_p = _buf.c_str();
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||||
_end = _p + len;
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||||
_filename = filename_;
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||||
next_token();
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||||
return true;
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||||
}
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||||
|
||||
// next_token() moves the pointer to next token, which may be
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||||
// an xml element or a text element, basically it's a glorified
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||||
// skipspace, normally the user of this class won't need to call
|
||||
// this function
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||||
void
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||||
XMLFile::next_token()
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||||
{
|
||||
_p += strspn ( _p, WS );
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||||
}
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||||
|
||||
bool
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||||
XMLFile::next_is_text()
|
||||
{
|
||||
return *_p != '<';
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||||
}
|
||||
|
||||
bool
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||||
XMLFile::more_tokens ()
|
||||
{
|
||||
return _p != _end;
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||||
}
|
||||
|
||||
// get_token() is used to return a token, and move the pointer
|
||||
// past the token
|
||||
bool
|
||||
XMLFile::get_token ( string& token )
|
||||
{
|
||||
const char* tokend;
|
||||
if ( !strncmp ( _p, "<!--", 4 ) )
|
||||
{
|
||||
tokend = strstr ( _p, "-->" );
|
||||
if ( !tokend )
|
||||
tokend = _end;
|
||||
else
|
||||
tokend += 3;
|
||||
}
|
||||
else if ( !strncmp ( _p, "<?", 2 ) )
|
||||
{
|
||||
tokend = strstr ( _p, "?>" );
|
||||
if ( !tokend )
|
||||
tokend = _end;
|
||||
else
|
||||
tokend += 2;
|
||||
}
|
||||
else if ( *_p == '<' )
|
||||
{
|
||||
tokend = strchr ( _p, '>' );
|
||||
if ( !tokend )
|
||||
tokend = _end;
|
||||
else
|
||||
++tokend;
|
||||
}
|
||||
else
|
||||
{
|
||||
tokend = strchr ( _p, '<' );
|
||||
if ( !tokend )
|
||||
tokend = _end;
|
||||
while ( tokend > _p && isspace(tokend[-1]) )
|
||||
--tokend;
|
||||
}
|
||||
if ( tokend == _p )
|
||||
return false;
|
||||
token = string ( _p, tokend-_p );
|
||||
_p = tokend;
|
||||
next_token();
|
||||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
XMLFile::get_token ( string& token, string& location )
|
||||
{
|
||||
location = Location();
|
||||
return get_token ( token );
|
||||
}
|
||||
|
||||
string
|
||||
XMLFile::Location() const
|
||||
{
|
||||
int line = 1;
|
||||
const char* p = strchr ( _buf.c_str(), '\n' );
|
||||
while ( p && p < _p )
|
||||
{
|
||||
++line;
|
||||
p = strchr ( p+1, '\n' );
|
||||
}
|
||||
return ssprintf ( "%s(%i)",_filename.c_str(), line );
|
||||
}
|
||||
|
||||
XMLAttribute::XMLAttribute()
|
||||
{
|
||||
}
|
||||
|
||||
XMLAttribute::XMLAttribute(
|
||||
const string& name_,
|
||||
const string& value_ )
|
||||
: name(name_), value(value_)
|
||||
{
|
||||
}
|
||||
|
||||
XMLAttribute::XMLAttribute ( const XMLAttribute& src )
|
||||
: name(src.name), value(src.value)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
XMLAttribute& XMLAttribute::operator = ( const XMLAttribute& src )
|
||||
{
|
||||
name = src.name;
|
||||
value = src.value;
|
||||
return *this;
|
||||
}
|
||||
|
||||
XMLElement::XMLElement (
|
||||
XMLFile* xmlFile,
|
||||
const string& location )
|
||||
: xmlFile ( xmlFile ),
|
||||
location ( location ),
|
||||
parentElement ( NULL )
|
||||
{
|
||||
}
|
||||
|
||||
XMLElement::~XMLElement()
|
||||
{
|
||||
size_t i;
|
||||
for ( i = 0; i < attributes.size(); i++ )
|
||||
delete attributes[i];
|
||||
for ( i = 0; i < subElements.size(); i++ )
|
||||
delete subElements[i];
|
||||
}
|
||||
|
||||
void
|
||||
XMLElement::AddSubElement ( XMLElement* e )
|
||||
{
|
||||
subElements.push_back ( e );
|
||||
e->parentElement = this;
|
||||
}
|
||||
|
||||
// Parse()
|
||||
// This function takes a single xml tag ( i.e. beginning with '<' and
|
||||
// ending with '>', and parses out it's tag name and constituent
|
||||
// attributes.
|
||||
// Return Value: returns true if you need to look for a </tag> for
|
||||
// the one it just parsed...
|
||||
bool
|
||||
XMLElement::Parse (
|
||||
const string& token,
|
||||
bool& end_tag )
|
||||
{
|
||||
const char* p = token.c_str();
|
||||
assert ( *p == '<' );
|
||||
++p;
|
||||
p += strspn ( p, WS );
|
||||
|
||||
// check if this is a comment
|
||||
if ( !strncmp ( p, "!--", 3 ) )
|
||||
{
|
||||
name = "!--";
|
||||
end_tag = false;
|
||||
return false; // never look for end tag to a comment
|
||||
}
|
||||
|
||||
end_tag = ( *p == '/' );
|
||||
if ( end_tag )
|
||||
{
|
||||
++p;
|
||||
p += strspn ( p, WS );
|
||||
}
|
||||
const char* end = strpbrk ( p, WS );
|
||||
if ( !end )
|
||||
{
|
||||
end = strpbrk ( p, "/>" );
|
||||
assert ( end );
|
||||
}
|
||||
name = string ( p, end-p );
|
||||
p = end;
|
||||
p += strspn ( p, WS );
|
||||
while ( *p != '>' && *p != '/' )
|
||||
{
|
||||
end = strpbrk ( p, WSEQ );
|
||||
if ( !end )
|
||||
{
|
||||
end = strpbrk ( p, "/>" );
|
||||
assert ( end );
|
||||
}
|
||||
string attribute ( p, end-p ), value;
|
||||
p = end;
|
||||
p += strspn ( p, WS );
|
||||
if ( *p == '=' )
|
||||
{
|
||||
++p;
|
||||
p += strspn ( p, WS );
|
||||
char quote = 0;
|
||||
if ( strchr ( "\"'", *p ) )
|
||||
{
|
||||
quote = *p++;
|
||||
end = strchr ( p, quote );
|
||||
}
|
||||
else
|
||||
{
|
||||
end = strpbrk ( p, WS );
|
||||
}
|
||||
if ( !end )
|
||||
{
|
||||
end = strchr ( p, '>' );
|
||||
assert(end);
|
||||
if ( end[-1] == '/' )
|
||||
end--;
|
||||
}
|
||||
value = string ( p, end-p );
|
||||
p = end;
|
||||
if ( quote && *p == quote )
|
||||
p++;
|
||||
p += strspn ( p, WS );
|
||||
}
|
||||
else if ( name[0] != '!' )
|
||||
{
|
||||
throw XMLSyntaxErrorException (
|
||||
location,
|
||||
"attributes must have values" );
|
||||
}
|
||||
attributes.push_back ( new XMLAttribute ( attribute, value ) );
|
||||
}
|
||||
return !( *p == '/' ) && !end_tag;
|
||||
}
|
||||
|
||||
XMLAttribute*
|
||||
XMLElement::GetAttribute (
|
||||
const string& attribute,
|
||||
bool required )
|
||||
{
|
||||
// this would be faster with a tree-based container, but our attribute
|
||||
// lists are likely to stay so short as to not be an issue.
|
||||
for ( size_t i = 0; i < attributes.size(); i++ )
|
||||
{
|
||||
if ( attribute == attributes[i]->name )
|
||||
return attributes[i];
|
||||
}
|
||||
if ( required )
|
||||
{
|
||||
throw XMLRequiredAttributeNotFoundException (
|
||||
location,
|
||||
attribute,
|
||||
name );
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
const XMLAttribute*
|
||||
XMLElement::GetAttribute (
|
||||
const string& attribute,
|
||||
bool required ) const
|
||||
{
|
||||
// this would be faster with a tree-based container, but our attribute
|
||||
// lists are likely to stay so short as to not be an issue.
|
||||
for ( size_t i = 0; i < attributes.size(); i++ )
|
||||
{
|
||||
if ( attribute == attributes[i]->name )
|
||||
return attributes[i];
|
||||
}
|
||||
if ( required )
|
||||
{
|
||||
throw XMLRequiredAttributeNotFoundException (
|
||||
location,
|
||||
attribute,
|
||||
name );
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int
|
||||
XMLElement::FindElement ( const std::string& type, int prev ) const
|
||||
{
|
||||
int done = subElements.size();
|
||||
while ( ++prev < done )
|
||||
{
|
||||
XMLElement* e = subElements[prev];
|
||||
if ( e->name == type )
|
||||
return prev;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
int
|
||||
XMLElement::GetElements (
|
||||
const std::string& type,
|
||||
std::vector<XMLElement*>& v )
|
||||
{
|
||||
int find = FindElement ( type );
|
||||
v.resize ( 0 );
|
||||
while ( find != -1 )
|
||||
{
|
||||
v.push_back ( subElements[find] );
|
||||
find = FindElement ( type, find );
|
||||
}
|
||||
return v.size();
|
||||
}
|
||||
|
||||
int
|
||||
XMLElement::GetElements (
|
||||
const std::string& type,
|
||||
std::vector<const XMLElement*>& v ) const
|
||||
{
|
||||
int find = FindElement ( type );
|
||||
v.resize ( 0 );
|
||||
while ( find != -1 )
|
||||
{
|
||||
v.push_back ( subElements[find] );
|
||||
find = FindElement ( type, find );
|
||||
}
|
||||
return v.size();
|
||||
}
|
||||
|
||||
// XMLParse()
|
||||
// This function reads a "token" from the file loaded in XMLFile
|
||||
// if it finds a tag that is non-singular, it parses sub-elements and/or
|
||||
// inner text into the XMLElement that it is building to return.
|
||||
// Return Value: an XMLElement allocated via the new operator that contains
|
||||
// it's parsed data. Keep calling this function until it returns NULL
|
||||
// (no more data)
|
||||
XMLElement*
|
||||
XMLParse (
|
||||
XMLFile& f,
|
||||
XMLIncludes* includes,
|
||||
const Path& path,
|
||||
bool* pend_tag = NULL )
|
||||
{
|
||||
string token, location;
|
||||
if ( !f.get_token(token,location) )
|
||||
return NULL;
|
||||
bool end_tag, is_include = false;
|
||||
|
||||
while
|
||||
(
|
||||
token[0] != '<'
|
||||
|| !strncmp ( token.c_str (), "<!--", 4 )
|
||||
|| !strncmp ( token.c_str (), "<?", 2 )
|
||||
)
|
||||
{
|
||||
if ( token[0] != '<' )
|
||||
{
|
||||
throw XMLSyntaxErrorException (
|
||||
location,
|
||||
"expecting xml tag, not '%s'",
|
||||
token.c_str () );
|
||||
}
|
||||
if ( !f.get_token ( token, location ) )
|
||||
return NULL;
|
||||
}
|
||||
|
||||
XMLElement* e = new XMLElement (
|
||||
&f,
|
||||
location );
|
||||
bool bNeedEnd = e->Parse ( token, end_tag );
|
||||
|
||||
if ( e->name == "xi:include" && includes )
|
||||
{
|
||||
XMLAttribute* att;
|
||||
att = e->GetAttribute ( "href", true );
|
||||
assert ( att );
|
||||
string includeFile ( path.Fixup ( att->value, true ) );
|
||||
string topIncludeFile (
|
||||
Path::RelativeFromWorkingDirectory ( includeFile ) );
|
||||
includes->push_back (
|
||||
new XMLInclude ( e, path, topIncludeFile ) );
|
||||
is_include = true;
|
||||
}
|
||||
|
||||
if ( !bNeedEnd )
|
||||
{
|
||||
if ( pend_tag )
|
||||
*pend_tag = end_tag;
|
||||
else if ( end_tag )
|
||||
{
|
||||
delete e;
|
||||
throw XMLSyntaxErrorException (
|
||||
location,
|
||||
"end tag '%s' not expected",
|
||||
token.c_str() );
|
||||
return NULL;
|
||||
}
|
||||
return e;
|
||||
}
|
||||
bool bThisMixingErrorReported = false;
|
||||
while ( f.more_tokens () )
|
||||
{
|
||||
if ( f.next_is_text () )
|
||||
{
|
||||
if ( !f.get_token ( token, location ) || token.size () == 0 )
|
||||
{
|
||||
throw XMLInvalidBuildFileException (
|
||||
location,
|
||||
"internal tool error - get_token() failed when more_tokens() returned true" );
|
||||
break;
|
||||
}
|
||||
if ( e->subElements.size() && !bThisMixingErrorReported )
|
||||
{
|
||||
throw XMLSyntaxErrorException (
|
||||
location,
|
||||
"mixing of inner text with sub elements" );
|
||||
bThisMixingErrorReported = true;
|
||||
}
|
||||
if ( strchr ( token.c_str (), '>' ) )
|
||||
{
|
||||
throw XMLSyntaxErrorException (
|
||||
location,
|
||||
"invalid symbol '>'" );
|
||||
}
|
||||
if ( e->value.size() > 0 )
|
||||
{
|
||||
throw XMLSyntaxErrorException (
|
||||
location,
|
||||
"multiple instances of inner text" );
|
||||
e->value += " " + token;
|
||||
}
|
||||
else
|
||||
e->value = token;
|
||||
}
|
||||
else
|
||||
{
|
||||
XMLElement* e2 = XMLParse (
|
||||
f, is_include ? NULL : includes, path, &end_tag );
|
||||
if ( !e2 )
|
||||
{
|
||||
string e_location = e->location;
|
||||
string e_name = e->name;
|
||||
delete e;
|
||||
throw XMLInvalidBuildFileException (
|
||||
e_location,
|
||||
"end of file found looking for end tag: </%s>",
|
||||
e_name.c_str() );
|
||||
break;
|
||||
}
|
||||
if ( end_tag )
|
||||
{
|
||||
if ( e->name != e2->name )
|
||||
{
|
||||
string e2_location = e2->location;
|
||||
string e_name = e->name;
|
||||
string e2_name = e2->name;
|
||||
delete e;
|
||||
delete e2;
|
||||
throw XMLSyntaxErrorException (
|
||||
e2_location,
|
||||
"end tag name mismatch - found </%s> but was expecting </%s>",
|
||||
e2_name.c_str(),
|
||||
e_name.c_str() );
|
||||
break;
|
||||
}
|
||||
delete e2;
|
||||
break;
|
||||
}
|
||||
if ( e->value.size () > 0 && !bThisMixingErrorReported )
|
||||
{
|
||||
string e_location = e->location;
|
||||
delete e;
|
||||
throw XMLSyntaxErrorException (
|
||||
e_location,
|
||||
"mixing of inner text with sub elements" );
|
||||
bThisMixingErrorReported = true;
|
||||
}
|
||||
e->AddSubElement ( e2 );
|
||||
}
|
||||
}
|
||||
return e;
|
||||
}
|
||||
|
||||
void
|
||||
XMLReadFile (
|
||||
XMLFile& f,
|
||||
XMLElement& head,
|
||||
XMLIncludes& includes,
|
||||
const Path& path )
|
||||
{
|
||||
for ( ;; )
|
||||
{
|
||||
XMLElement* e = XMLParse ( f, &includes, path );
|
||||
if ( !e )
|
||||
return;
|
||||
head.AddSubElement ( e );
|
||||
}
|
||||
}
|
||||
|
||||
XMLElement*
|
||||
XMLLoadInclude (
|
||||
XMLInclude& include,
|
||||
XMLIncludes& includes )
|
||||
{
|
||||
XMLAttribute* att;
|
||||
att = include.e->GetAttribute("href", true);
|
||||
assert(att);
|
||||
|
||||
string file ( include.path.Fixup(att->value, true) );
|
||||
string top_file ( Path::RelativeFromWorkingDirectory ( file ) );
|
||||
include.e->attributes.push_back ( new XMLAttribute ( "top_href", top_file ) );
|
||||
XMLFile* fInc = new XMLFile();
|
||||
if ( !fInc->open ( file ) )
|
||||
{
|
||||
include.fileExists = false;
|
||||
// look for xi:fallback element
|
||||
for ( size_t i = 0; i < include.e->subElements.size (); i++ )
|
||||
{
|
||||
XMLElement* e2 = include.e->subElements[i];
|
||||
if ( e2->name == "xi:fallback" )
|
||||
{
|
||||
// now look for xi:include below...
|
||||
for ( i = 0; i < e2->subElements.size (); i++ )
|
||||
{
|
||||
XMLElement* e3 = e2->subElements[i];
|
||||
if ( e3->name == "xi:include" )
|
||||
{
|
||||
att = e3->GetAttribute ( "href", true );
|
||||
assert ( att );
|
||||
string includeFile (
|
||||
include.path.Fixup ( att->value, true ) );
|
||||
string topIncludeFile (
|
||||
Path::RelativeFromWorkingDirectory ( includeFile ) );
|
||||
XMLInclude* fallbackInclude =
|
||||
new XMLInclude ( e3, include.path, topIncludeFile );
|
||||
return XMLLoadInclude (
|
||||
*fallbackInclude, includes );
|
||||
}
|
||||
}
|
||||
throw XMLInvalidBuildFileException (
|
||||
e2->location,
|
||||
"<xi:fallback> must have a <xi:include> sub-element" );
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
include.fileExists = true;
|
||||
XMLElement* new_e = new XMLElement (
|
||||
fInc,
|
||||
include.e->location );
|
||||
new_e->name = "xi:included";
|
||||
Path path2 ( include.path, att->value );
|
||||
XMLReadFile ( *fInc, *new_e, includes, path2 );
|
||||
return new_e;
|
||||
}
|
||||
}
|
||||
|
||||
XMLElement*
|
||||
XMLLoadFile (
|
||||
const string& filename,
|
||||
const Path& path,
|
||||
XMLIncludes& includes )
|
||||
{
|
||||
XMLFile* f = new XMLFile();
|
||||
|
||||
if ( !f->open ( filename ) )
|
||||
{
|
||||
throw XMLFileNotFoundException ( "(virtual)", filename );
|
||||
return NULL;
|
||||
}
|
||||
|
||||
XMLElement* head = new XMLElement ( f, "(virtual)" );
|
||||
|
||||
XMLReadFile ( *f, *head, includes, path );
|
||||
|
||||
for ( size_t i = 0; i < includes.size (); i++ )
|
||||
{
|
||||
XMLElement* e = includes[i]->e;
|
||||
XMLElement* e2 = XMLLoadInclude ( *includes[i], includes );
|
||||
if ( !e2 )
|
||||
{
|
||||
throw XMLFileNotFoundException (
|
||||
f->Location(),
|
||||
e->GetAttribute ( "top_href", true )->value );
|
||||
}
|
||||
XMLElement* parent = e->parentElement;
|
||||
XMLElement** parent_container = NULL;
|
||||
if ( !parent )
|
||||
{
|
||||
string location = e->location;
|
||||
delete e;
|
||||
throw XMLException ( location, "internal tool error: xi:include doesn't have a parent" );
|
||||
return NULL;
|
||||
}
|
||||
for ( size_t j = 0; j < parent->subElements.size (); j++ )
|
||||
{
|
||||
if ( parent->subElements[j] == e )
|
||||
{
|
||||
parent_container = &parent->subElements[j];
|
||||
break;
|
||||
}
|
||||
}
|
||||
if ( !parent_container )
|
||||
{
|
||||
string location = e->location;
|
||||
delete e;
|
||||
throw XMLException ( location, "internal tool error: couldn't find xi:include in parent's sub-elements" );
|
||||
return NULL;
|
||||
}
|
||||
// replace inclusion tree with the imported tree
|
||||
e2->parentElement = e->parentElement;
|
||||
e2->name = e->name;
|
||||
e2->attributes = e->attributes;
|
||||
*parent_container = e2;
|
||||
e->attributes.resize ( 0 );
|
||||
delete e;
|
||||
}
|
||||
return head;
|
||||
}
|
||||
|
||||
XMLElement*
|
||||
XMLLoadFile ( const string& filename )
|
||||
{
|
||||
Path path;
|
||||
XMLIncludes includes;
|
||||
return XMLLoadFile ( filename, path, includes );
|
||||
}
|
||||
Reference in New Issue
Block a user