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move XML loading and saving into XmlFileUtil, reducing XNode

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to a data structure
This commit is contained in:
Glenn Maynard
2006-10-02 05:53:56 +00:00
parent f8e3807996
commit 19e7328d78
9 changed files with 496 additions and 505 deletions
Download Patch File Download Diff File Expand all files Collapse all files
stepmania/src/CatalogXml.cpp
+2 -1
View File
@@ -5,6 +5,7 @@
#include "song.h"
#include "Steps.h"
#include "XmlFile.h"
#include "XmlFileUtil.h"
#include "Course.h"
#include "SongUtil.h"
#include "StepsUtil.h"
@@ -391,7 +392,7 @@ void CatalogXml::Save( LoadingWindow *loading_window )
xml.AppendChild( "FooterText", FOOTER_TEXT );
xml.AppendChild( "FooterLink", FOOTER_LINK );
xml.SaveToFile( fn, CATALOG_XSL, false );
XmlFileUtil::SaveToFile( &xml, fn, CATALOG_XSL, false );
LOG->Trace( "Done." );
}
stepmania/src/ExportStrings.cpp
+2 -1
View File
@@ -4,6 +4,7 @@
#include "RageUtil.h"
#include "IniFile.h"
#include "XmlFile.h"
#include "XmlFileUtil.h"
#include "LuaManager.h"
#include "ProductInfo.h"
#include "DateTime.h"
@@ -57,7 +58,7 @@ void ExportStrings::LuaInformation()
XNode *pDateNode = pNode->AppendChild( "Date" );
pDateNode->m_sValue = DateTime::GetNowDate().GetString();
pNode->SaveToFile( "Lua.xml", "Lua.xsl" );
XmlFileUtil::SaveToFile( pNode, "Lua.xml", "Lua.xsl" );
delete pNode;
}
stepmania/src/Profile.cpp
+1 -1
View File
@@ -939,7 +939,7 @@ bool Profile::SaveStatsXmlToDir( RString sDir, bool bSignData ) const
// Save stats.xml
RString fn = sDir + STATS_XML;
bool bSaved = xml->SaveToFile( fn, STATS_XSL, false );
bool bSaved = XmlFileUtil::SaveToFile( xml, fn, STATS_XSL, false );
SAFE_DELETE( xml );
stepmania/src/ScreenGameplay.cpp
+2 -1
View File
@@ -55,6 +55,7 @@
#include "AdjustSync.h"
#include "SongUtil.h"
#include "song.h"
#include "XmlFileUtil.h"
//
// Defines
@@ -2619,7 +2620,7 @@ void ScreenGameplay::SaveReplay()
RString sFileName = ssprintf( "replay%05d.xml", iIndex );
p->SaveToFile( "Save/"+sFileName );
XmlFileUtil::SaveToFile( p, "Save/"+sFileName );
SAFE_DELETE( p );
return;
}
stepmania/src/Workout.cpp
+1 -1
View File
@@ -212,7 +212,7 @@ bool Workout::SaveToFile( RString sFile )
songGenres->AppendChild( "SongGenre", *s );
}
return xml.SaveToFile( sFile );
return XmlFileUtil::SaveToFile( &xml, sFile );
}
// lua start
stepmania/src/XmlFile.cpp
-486
View File
@@ -12,84 +12,6 @@
#include "RageUtil.h"
#include "DateTime.h"
#include "Foreach.h"
#include "RageFileDriverMemory.h"
static inline long XStr2Int( const char* str, long default_value = 0 )
{
return str ? atol(str) : default_value;
}
static const char chXMLTagOpen = '<';
static const char chXMLTagClose = '>';
static const char chXMLQuestion = '?'; // used in checking for meta tags: "<?TAG ... ?/>"
static const char chXMLTagPre = '/';
static const char chXMLExclamation = '!';
static const char chXMLDash = '-';
static map<RString,RString> g_mapEntitiesToChars;
static map<char,RString> g_mapCharsToEntities;
static void InitEntities()
{
if( !g_mapEntitiesToChars.empty() )
return;
static struct Entity
{
char c;
const char *pEntity;
}
const EntityTable[] =
{
{ '&', "amp", },
{ '\"', "quot", },
{ '\'', "apos", },
{ '<', "lt", },
{ '>', "gt", }
};
for( unsigned i = 0; i < ARRAYLEN(EntityTable); ++i )
{
const Entity &ent = EntityTable[i];
g_mapEntitiesToChars[ent.pEntity] = RString(1, ent.c);
g_mapCharsToEntities[ent.c] = ent.pEntity;
}
}
static struct RunInitEntities
{
RunInitEntities() { InitEntities(); }
} g_RunInitEntities;
// skip spaces
static void tcsskip( const RString &s, unsigned &i )
{
i = s.find_first_not_of( " \t\r\n", i );
}
static bool XIsEmptyString( const RString &s )
{
return s.find_first_not_of( "\r\n\t " ) == s.npos;
}
// put string of (psz~end) on ps string
static void SetString( const RString &s, int iStart, int iEnd, RString* ps, bool trim = false )
{
if( trim )
{
while( iStart < iEnd && s[iStart] > 0 && isspace(s[iStart]) )
iStart++;
while( iEnd-1 >= iStart && s[iEnd-1] > 0 && isspace(s[iEnd-1]) )
iEnd--;
}
int len = iEnd - iStart;
if( len <= 0 )
return;
ps->assign( s, iStart, len );
}
XNode::XNode( const XNode &cpy ):
m_sName( cpy.m_sName ),
@@ -113,387 +35,6 @@ void XNode::Clear()
m_attrs.clear();
}
// attr1="value1" attr2='value2' attr3=value3 />
// ^- return pointer
// Desc : loading attribute plain xml text
// Param : pszAttrs - xml of attributes
// pi = parser information
// Return : advanced string pointer. (error return npos)
unsigned XNode::LoadAttributes( const RString &xml, RString &sErrorOut, unsigned iOffset )
{
while( iOffset < xml.size() )
{
tcsskip( xml, iOffset );
if( iOffset >= xml.size() )
continue;
// close tag
if( iOffset < xml.size() &&
(xml[iOffset] == chXMLTagClose || xml[iOffset] == chXMLTagPre || xml[iOffset] == chXMLQuestion || xml[iOffset] == chXMLDash) )
return iOffset; // well-formed tag
// XML Attr Name
unsigned iEnd = xml.find_first_of( " =", iOffset );
if( iEnd == xml.npos )
{
// error
if( sErrorOut.empty() )
sErrorOut = ssprintf( "<%s> attribute has error ", m_sName.c_str() );
return string::npos;
}
// XML Attr Name
RString sName;
SetString( xml, iOffset, iEnd, &sName );
// add new attribute
DEBUG_ASSERT( sName.size() );
pair<XAttrs::iterator,bool> it = m_attrs.insert( make_pair(sName, RString()) );
RString &sValue = it.first->second;
iOffset = iEnd;
// XML Attr Value
tcsskip( xml, iOffset );
if( iOffset < xml.size() && xml[iOffset] == '=' )
{
++iOffset;
tcsskip( xml, iOffset );
if( iOffset >= xml.size() )
continue;
// if " or '
// or none quote
char quote = xml[iOffset];
if( quote == '"' || quote == '\'' )
{
++iOffset;
iEnd = xml.find( quote, iOffset );
}
else
{
//attr= value>
// none quote mode
iEnd = xml.find_first_of( " >", iOffset );
}
if( iEnd == xml.npos )
{
// error
if( sErrorOut.empty() )
sErrorOut = ssprintf( "<%s> attribute text: couldn't find matching quote", sName.c_str() );
return string::npos;
}
SetString( xml, iOffset, iEnd, &sValue, true );
iOffset = iEnd;
// ATTRVALUE
ReplaceEntityText( sValue, g_mapEntitiesToChars );
if( quote == '"' || quote == '\'' )
++iOffset;
}
}
// not well-formed tag
return string::npos;
}
// <TAG attr1="value1" attr2='value2' attr3=value3 >
// </TAG>
// or
// <TAG />
// ^- return pointer
// Desc : load xml plain text
// Param : pszXml - plain xml text
// pi = parser information
// Return : advanced string pointer (error return npos)
unsigned XNode::Load( const RString &xml, RString &sErrorOut, unsigned iOffset )
{
Clear();
// <
iOffset = xml.find( chXMLTagOpen, iOffset );
if( iOffset == string::npos )
return string::npos;
// </
if( xml[iOffset+1] == chXMLTagPre )
return iOffset;
/* <!-- */
if( !xml.compare(iOffset+1, 3, "!--") )
{
iOffset += 4;
/* Find the close tag. */
unsigned iEnd = xml.find( "-->", iOffset );
if( iEnd == string::npos )
{
if( sErrorOut.empty() )
sErrorOut = "Unterminated comment";
return string::npos;
}
// Skip -->.
iOffset = iEnd + 3;
return Load( xml, sErrorOut, iOffset );
}
// XML Node Tag Name Open
iOffset++;
unsigned iTagEnd = xml.find_first_of( " \t\r\n/>", iOffset );
SetString( xml, iOffset, iTagEnd, &m_sName );
iOffset = iTagEnd;
// Generate XML Attributte List
iOffset = LoadAttributes( xml, sErrorOut, iOffset );
if( iOffset == string::npos )
return string::npos;
// alone tag <TAG ... /> or <?TAG ... ?> or <!-- ... -->
// current pointer: ^ ^ ^
if( iOffset < xml.size() && (xml[iOffset] == chXMLTagPre || xml[iOffset] == chXMLQuestion || xml[iOffset] == chXMLDash) )
{
iOffset++;
// skip over 2nd dash
if( iOffset < xml.size() && xml[iOffset] == chXMLDash )
iOffset++;
if( iOffset == xml.size() || xml[iOffset] != chXMLTagClose )
{
// error: <TAG ... / >
if( sErrorOut.empty() )
sErrorOut = "Element must be closed.";
// ill-formed tag
return string::npos;
}
// well-formed tag
++iOffset;
// UGLY: We want to ignore all XML meta tags. So, since the Node we
// just loaded is a meta tag, then Load ourself again using the rest
// of the file until we reach a non-meta tag.
if( !m_sName.empty() && (m_sName[0] == chXMLQuestion || m_sName[0] == chXMLExclamation) )
iOffset = Load( xml, sErrorOut, iOffset );
return iOffset;
}
// open/close tag <TAG ..> ... </TAG>
// ^- current pointer
if( XIsEmptyString( m_sValue ) )
{
// Text Value
++iOffset;
unsigned iEnd = xml.find( chXMLTagOpen, iOffset );
if( iEnd == string::npos )
{
if( sErrorOut.empty() )
sErrorOut = ssprintf( "%s must be closed with </%s>", m_sName.c_str(), m_sName.c_str() );
// error cos not exist CloseTag </TAG>
return string::npos;
}
SetString( xml, iOffset, iEnd, &m_sValue, true );
iOffset = iEnd;
// TEXTVALUE reference
ReplaceEntityText( m_sValue, g_mapEntitiesToChars );
}
// generate child nodes
while( iOffset < xml.size() )
{
XNode *node = new XNode;
iOffset = node->Load( xml, sErrorOut, iOffset );
if( !node->m_sName.empty() )
{
DEBUG_ASSERT( node->m_sName.size() );
m_childs.insert( make_pair(node->m_sName, node) );
}
else
{
delete node;
}
// open/close tag <TAG ..> ... </TAG>
// ^- current pointer
// CloseTag case
if( iOffset+1 < xml.size() && xml[iOffset] == chXMLTagOpen && xml[iOffset+1] == chXMLTagPre )
{
// </Close>
iOffset += 2; // C
tcsskip( xml, iOffset );
if( iOffset >= xml.size() )
continue;
unsigned iEnd = xml.find_first_of( " >", iOffset );
if( iEnd == string::npos )
{
if( sErrorOut.empty() )
sErrorOut = ssprintf( "it must be closed with </%s>", m_sName.c_str() );
// error
return string::npos;
}
RString closename;
SetString( xml, iOffset, iEnd, &closename );
iOffset = iEnd+1;
if( closename == this->m_sName )
{
// wel-formed open/close
// return '>' or ' ' after pointer
return iOffset;
}
else
{
// not welformed open/close
if( sErrorOut.empty() )
sErrorOut = ssprintf( "'<%s> ... </%s>' is not well-formed.", m_sName.c_str(), closename.c_str() );
return string::npos;
}
}
else // Alone child Tag Loaded
{
if( XIsEmptyString( m_sValue ) && iOffset < xml.size() && xml[iOffset] != chXMLTagOpen )
{
// Text Value
unsigned iEnd = xml.find( chXMLTagOpen, iOffset );
if( iEnd == string::npos )
{
// error cos not exist CloseTag </TAG>
if( sErrorOut.empty() )
sErrorOut = ssprintf( "it must be closed with </%s>", m_sName.c_str() );
return string::npos;
}
SetString( xml, iOffset, iEnd, &m_sValue, true );
iOffset = iEnd;
//TEXTVALUE
ReplaceEntityText( m_sValue, g_mapEntitiesToChars );
}
}
}
return iOffset;
}
// Desc : convert plain xml text from parsed xml attirbute
// Return : converted plain string
bool XNode::GetAttrXML( RageFileBasic &f, const RString &sName, const RString &sValue ) const
{
RString s(sValue);
ReplaceEntityText( s, g_mapCharsToEntities );
return f.Write(sName + "='" + s + "' ") != -1;
}
// Desc : convert plain xml text from parsed xml node
// Return : converted plain string
bool XNode::GetXMLInternal( RageFileBasic &f, bool bWriteTabs, int &iTabBase ) const
{
// tab
if( f.Write("\r\n") == -1 )
return false;
if( bWriteTabs )
for( int i = 0 ; i < iTabBase ; i++)
if( f.Write("\t") == -1 )
return false;
// <TAG
if( f.Write("<" + m_sName) == -1 )
return false;
// <TAG Attr1="Val1"
if( !m_attrs.empty() )
if( f.Write(" ") == -1 )
return false;
FOREACH_CONST_Attr( this, p )
if( !GetAttrXML(f, p->first, p->second) )
return false;
if( m_childs.empty() && m_sValue.empty() )
{
// <TAG Attr1="Val1"/> alone tag
if( f.Write("/>") == -1 )
return false;
}
else
{
// <TAG Attr1="Val1"> and get child
if( f.Write(">") == -1 )
return false;
if( !m_childs.empty() )
iTabBase++;
FOREACH_CONST_Child( this, p )
if( !p->GetXMLInternal( f, bWriteTabs, iTabBase ) )
return false;
// Text Value
if( !m_sValue.empty() )
{
if( !m_childs.empty() )
{
if( f.Write("\r\n") == -1 )
return false;
if( bWriteTabs )
for( int i = 0 ; i < iTabBase ; i++)
if( f.Write("\t") == -1 )
return false;
}
RString s( m_sValue );
ReplaceEntityText( s, g_mapCharsToEntities );
if( f.Write(s) == -1 )
return false;
}
// </TAG> CloseTag
if( !m_childs.empty() )
{
if( f.Write("\r\n") == -1 )
return false;
if( bWriteTabs )
for( int i = 0 ; i < iTabBase-1 ; i++)
if( f.Write("\t") == -1 )
return false;
}
if( f.Write("</" + m_sName + ">") == -1 )
return false;
if( !m_childs.empty() )
iTabBase--;
}
return true;
}
bool XNode::GetXML( RageFileBasic &f, bool bWriteTabs ) const
{
int iTabBase = 0;
return GetXMLInternal( f, bWriteTabs, iTabBase );
}
// Desc : convert plain xml text from parsed xml node
// Return : converted plain string
RString XNode::GetXML() const
{
RageFileObjMem f;
int iTabBase = 0;
GetXMLInternal( f, true, iTabBase );
return f.GetString();
}
void XNode::GetValue( RString &out ) const { out = m_sValue; }
void XNode::GetValue( int &out ) const { out = atoi(m_sValue); }
void XNode::GetValue( float &out ) const { out = StringToFloat(m_sValue); }
@@ -531,8 +72,6 @@ RString *XNode::GetAttr( const RString &attrname )
return NULL;
}
// Desc : Find child with name and return child
// Return : NULL return if no child.
XNode *XNode::GetChild( const RString &sName )
{
multimap<RString, XNode*>::iterator it = m_childs.find( sName );
@@ -598,28 +137,3 @@ void XNode::AppendAttr( const RString &sName, float value ) { AppendAttr(sName,s
void XNode::AppendAttr( const RString &sName, int value ) { AppendAttr(sName,ssprintf("%d",value)); }
void XNode::AppendAttr( const RString &sName, unsigned value ) { AppendAttr(sName,ssprintf("%u",value)); }
bool XNode::SaveToFile( RageFileBasic &f, const RString &sStylesheet, bool bWriteTabs ) const
{
f.PutLine( "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>" );
if( !sStylesheet.empty() )
f.PutLine( "<?xml-stylesheet type=\"text/xsl\" href=\"" + sStylesheet + "\"?>" );
int iTabBase = 0;
if( !this->GetXMLInternal(f, bWriteTabs, iTabBase) )
return false;
f.PutLine( "" );
if( f.Flush() == -1 )
return false;
return true;
}
bool XNode::SaveToFile( const RString &sFile, const RString &sStylesheet, bool bWriteTabs ) const
{
RageFile f;
if( !f.Open(sFile, RageFile::WRITE) )
{
LOG->Warn( "Couldn't open %s for writing: %s", sFile.c_str(), f.GetError().c_str() );
return false;
}
return SaveToFile( f, sStylesheet, bWriteTabs );
}
stepmania/src/XmlFile.h
-13
View File
@@ -57,16 +57,6 @@ public:
void SetValue( unsigned v );
void SetValue( const DateTime &v );
// Load/Save XML
unsigned Load( const RString &sXml, RString &sErrorOut, unsigned iOffset = 0 );
unsigned LoadAttributes( const RString &sAttrs, RString &sErrorOut, unsigned iOffset );
bool GetAttrXML( RageFileBasic &f, const RString &sName, const RString &sValue ) const;
bool GetXML( RageFileBasic &f, bool bWriteTabs = true ) const;
RString GetXML() const;
bool SaveToFile( const RString &sFile, const RString &sStylesheet = "", bool bWriteTabs = true ) const;
bool SaveToFile( RageFileBasic &f, const RString &sStylesheet = "", bool bWriteTabs = true ) const;
// in own attribute list
const RString *GetAttr( const RString &sAttrName ) const;
RString *GetAttr( const RString &sAttrName );
@@ -103,9 +93,6 @@ public:
~XNode();
void Clear();
private:
bool GetXMLInternal( RageFileBasic &f, bool bWriteTabs, int &iTabBase ) const;
};
#endif
stepmania/src/XmlFileUtil.cpp
+481 -1
View File
@@ -2,6 +2,7 @@
#include "XmlFileUtil.h"
#include "XmlFile.h"
#include "RageFile.h"
#include "RageFileDriverMemory.h"
#include "RageUtil.h"
#include "RageLog.h"
#include "arch/Dialog/Dialog.h"
@@ -13,7 +14,7 @@ bool XmlFileUtil::LoadFromFileShowErrors( XNode &xml, RageFileBasic &f )
if( f.Read( s ) == -1 )
sError = f.GetError();
else
xml.Load( s, sError );
Load( &xml, s, sError );
if( sError.empty() )
return true;
@@ -43,6 +44,485 @@ bool XmlFileUtil::LoadFromFileShowErrors( XNode &xml, const RString &sFile )
return bSuccess;
}
static const char chXMLTagOpen = '<';
static const char chXMLTagClose = '>';
static const char chXMLQuestion = '?'; // used in checking for meta tags: "<?TAG ... ?/>"
static const char chXMLTagPre = '/';
static const char chXMLExclamation = '!';
static const char chXMLDash = '-';
static map<RString,RString> g_mapEntitiesToChars;
static map<char,RString> g_mapCharsToEntities;
// XXX not called
static void InitEntities()
{
if( !g_mapEntitiesToChars.empty() )
return;
static struct Entity
{
char c;
const char *pEntity;
}
const EntityTable[] =
{
{ '&', "amp", },
{ '\"', "quot", },
{ '\'', "apos", },
{ '<', "lt", },
{ '>', "gt", }
};
for( unsigned i = 0; i < ARRAYLEN(EntityTable); ++i )
{
const Entity &ent = EntityTable[i];
g_mapEntitiesToChars[ent.pEntity] = RString(1, ent.c);
g_mapCharsToEntities[ent.c] = ent.pEntity;
}
}
// skip spaces
static void tcsskip( const RString &s, unsigned &i )
{
i = s.find_first_not_of( " \t\r\n", i );
}
static bool XIsEmptyString( const RString &s )
{
return s.find_first_not_of( "\r\n\t " ) == s.npos;
}
// put string of (psz~end) on ps string
static void SetString( const RString &s, int iStart, int iEnd, RString* ps, bool trim = false )
{
if( trim )
{
while( iStart < iEnd && s[iStart] > 0 && isspace(s[iStart]) )
iStart++;
while( iEnd-1 >= iStart && s[iEnd-1] > 0 && isspace(s[iEnd-1]) )
iEnd--;
}
int len = iEnd - iStart;
if( len <= 0 )
return;
ps->assign( s, iStart, len );
}
// attr1="value1" attr2='value2' attr3=value3 />
// ^- return pointer
// Desc : loading attribute plain xml text
// Param : pszAttrs - xml of attributes
// pi = parser information
// Return : advanced string pointer. (error return npos)
namespace
{
unsigned LoadAttributes( XNode *pNode, const RString &xml, RString &sErrorOut, unsigned iOffset )
{
while( iOffset < xml.size() )
{
tcsskip( xml, iOffset );
if( iOffset >= xml.size() )
continue;
// close tag
if( iOffset < xml.size() &&
(xml[iOffset] == chXMLTagClose || xml[iOffset] == chXMLTagPre || xml[iOffset] == chXMLQuestion || xml[iOffset] == chXMLDash) )
return iOffset; // well-formed tag
// XML Attr Name
unsigned iEnd = xml.find_first_of( " =", iOffset );
if( iEnd == xml.npos )
{
// error
if( sErrorOut.empty() )
sErrorOut = ssprintf( "<%s> attribute has error ", pNode->m_sName.c_str() );
return string::npos;
}
// XML Attr Name
RString sName;
SetString( xml, iOffset, iEnd, &sName );
// add new attribute
DEBUG_ASSERT( sName.size() );
pair<XAttrs::iterator,bool> it = pNode->m_attrs.insert( make_pair(sName, RString()) );
RString &sValue = it.first->second;
iOffset = iEnd;
// XML Attr Value
tcsskip( xml, iOffset );
if( iOffset < xml.size() && xml[iOffset] == '=' )
{
++iOffset;
tcsskip( xml, iOffset );
if( iOffset >= xml.size() )
continue;
// if " or '
// or none quote
char quote = xml[iOffset];
if( quote == '"' || quote == '\'' )
{
++iOffset;
iEnd = xml.find( quote, iOffset );
}
else
{
//attr= value>
// none quote mode
iEnd = xml.find_first_of( " >", iOffset );
}
if( iEnd == xml.npos )
{
// error
if( sErrorOut.empty() )
sErrorOut = ssprintf( "<%s> attribute text: couldn't find matching quote", sName.c_str() );
return string::npos;
}
SetString( xml, iOffset, iEnd, &sValue, true );
iOffset = iEnd;
// ATTRVALUE
ReplaceEntityText( sValue, g_mapEntitiesToChars );
if( quote == '"' || quote == '\'' )
++iOffset;
}
}
// not well-formed tag
return string::npos;
}
}
// <TAG attr1="value1" attr2='value2' attr3=value3 >
// </TAG>
// or
// <TAG />
// ^- return pointer
// Desc : load xml plain text
// Param : pszXml - plain xml text
// pi = parser information
// Return : advanced string pointer (error return npos)
unsigned XmlFileUtil::Load( XNode *pNode, const RString &xml, RString &sErrorOut, unsigned iOffset )
{
pNode->Clear();
// <
iOffset = xml.find( chXMLTagOpen, iOffset );
if( iOffset == string::npos )
return string::npos;
// </
if( xml[iOffset+1] == chXMLTagPre )
return iOffset;
/* <!-- */
if( !xml.compare(iOffset+1, 3, "!--") )
{
iOffset += 4;
/* Find the close tag. */
unsigned iEnd = xml.find( "-->", iOffset );
if( iEnd == string::npos )
{
if( sErrorOut.empty() )
sErrorOut = "Unterminated comment";
return string::npos;
}
// Skip -->.
iOffset = iEnd + 3;
return Load( pNode, xml, sErrorOut, iOffset );
}
// XML Node Tag Name Open
iOffset++;
unsigned iTagEnd = xml.find_first_of( " \t\r\n/>", iOffset );
SetString( xml, iOffset, iTagEnd, &pNode->m_sName );
iOffset = iTagEnd;
// Generate XML Attributte List
iOffset = LoadAttributes( pNode, xml, sErrorOut, iOffset );
if( iOffset == string::npos )
return string::npos;
// alone tag <TAG ... /> or <?TAG ... ?> or <!-- ... -->
// current pointer: ^ ^ ^
if( iOffset < xml.size() && (xml[iOffset] == chXMLTagPre || xml[iOffset] == chXMLQuestion || xml[iOffset] == chXMLDash) )
{
iOffset++;
// skip over 2nd dash
if( iOffset < xml.size() && xml[iOffset] == chXMLDash )
iOffset++;
if( iOffset == xml.size() || xml[iOffset] != chXMLTagClose )
{
// error: <TAG ... / >
if( sErrorOut.empty() )
sErrorOut = "Element must be closed.";
// ill-formed tag
return string::npos;
}
// well-formed tag
++iOffset;
// UGLY: We want to ignore all XML meta tags. So, since the Node we
// just loaded is a meta tag, then Load ourself again using the rest
// of the file until we reach a non-meta tag.
if( !pNode->m_sName.empty() && (pNode->m_sName[0] == chXMLQuestion || pNode->m_sName[0] == chXMLExclamation) )
iOffset = Load( pNode, xml, sErrorOut, iOffset );
return iOffset;
}
// open/close tag <TAG ..> ... </TAG>
// ^- current pointer
if( XIsEmptyString(pNode->m_sValue) )
{
// Text Value
++iOffset;
unsigned iEnd = xml.find( chXMLTagOpen, iOffset );
if( iEnd == string::npos )
{
if( sErrorOut.empty() )
sErrorOut = ssprintf( "%s must be closed with </%s>", pNode->m_sName.c_str(), pNode->m_sName.c_str() );
// error cos not exist CloseTag </TAG>
return string::npos;
}
SetString( xml, iOffset, iEnd, &pNode->m_sValue, true );
iOffset = iEnd;
// TEXTVALUE reference
ReplaceEntityText( pNode->m_sValue, g_mapEntitiesToChars );
}
// generate child nodes
while( iOffset < xml.size() )
{
XNode *node = new XNode;
iOffset = Load( node, xml, sErrorOut, iOffset );
if( !node->m_sName.empty() )
{
DEBUG_ASSERT( node->m_sName.size() );
pNode->m_childs.insert( make_pair(node->m_sName, node) );
}
else
{
delete node;
}
// open/close tag <TAG ..> ... </TAG>
// ^- current pointer
// CloseTag case
if( iOffset+1 < xml.size() && xml[iOffset] == chXMLTagOpen && xml[iOffset+1] == chXMLTagPre )
{
// </Close>
iOffset += 2; // C
tcsskip( xml, iOffset );
if( iOffset >= xml.size() )
continue;
unsigned iEnd = xml.find_first_of( " >", iOffset );
if( iEnd == string::npos )
{
if( sErrorOut.empty() )
sErrorOut = ssprintf( "it must be closed with </%s>", pNode->m_sName.c_str() );
// error
return string::npos;
}
RString closename;
SetString( xml, iOffset, iEnd, &closename );
iOffset = iEnd+1;
if( closename == pNode->m_sName )
{
// wel-formed open/close
// return '>' or ' ' after pointer
return iOffset;
}
else
{
// not welformed open/close
if( sErrorOut.empty() )
sErrorOut = ssprintf( "'<%s> ... </%s>' is not well-formed.", pNode->m_sName.c_str(), closename.c_str() );
return string::npos;
}
}
else // Alone child Tag Loaded
{
if( XIsEmptyString(pNode->m_sValue) && iOffset < xml.size() && xml[iOffset] != chXMLTagOpen )
{
// Text Value
unsigned iEnd = xml.find( chXMLTagOpen, iOffset );
if( iEnd == string::npos )
{
// error cos not exist CloseTag </TAG>
if( sErrorOut.empty() )
sErrorOut = ssprintf( "it must be closed with </%s>", pNode->m_sName.c_str() );
return string::npos;
}
SetString( xml, iOffset, iEnd, &pNode->m_sValue, true );
iOffset = iEnd;
//TEXTVALUE
ReplaceEntityText( pNode->m_sValue, g_mapEntitiesToChars );
}
}
}
return iOffset;
}
namespace
{
bool GetAttrXML( RageFileBasic &f, const RString &sName, const RString &sValue )
{
RString s(sValue);
ReplaceEntityText( s, g_mapCharsToEntities );
return f.Write(sName + "='" + s + "' ") != -1;
}
bool GetXMLInternal( const XNode *pNode, RageFileBasic &f, bool bWriteTabs, int &iTabBase )
{
// tab
if( f.Write("\r\n") == -1 )
return false;
if( bWriteTabs )
for( int i = 0 ; i < iTabBase ; i++)
if( f.Write("\t") == -1 )
return false;
// <TAG
if( f.Write("<" + pNode->m_sName) == -1 )
return false;
// <TAG Attr1="Val1"
if( !pNode->m_attrs.empty() )
if( f.Write(" ") == -1 )
return false;
FOREACH_CONST_Attr( pNode, p )
if( !GetAttrXML(f, p->first, p->second) )
return false;
if( pNode->m_childs.empty() && pNode->m_sValue.empty() )
{
// <TAG Attr1="Val1"/> alone tag
if( f.Write("/>") == -1 )
return false;
}
else
{
// <TAG Attr1="Val1"> and get child
if( f.Write(">") == -1 )
return false;
if( !pNode->m_childs.empty() )
iTabBase++;
FOREACH_CONST_Child( pNode, p )
if( !GetXMLInternal( pNode, f, bWriteTabs, iTabBase ) )
return false;
// Text Value
if( !pNode->m_sValue.empty() )
{
if( !pNode->m_childs.empty() )
{
if( f.Write("\r\n") == -1 )
return false;
if( bWriteTabs )
for( int i = 0 ; i < iTabBase ; i++)
if( f.Write("\t") == -1 )
return false;
}
RString s( pNode->m_sValue );
ReplaceEntityText( s, g_mapCharsToEntities );
if( f.Write(s) == -1 )
return false;
}
// </TAG> CloseTag
if( !pNode->m_childs.empty() )
{
if( f.Write("\r\n") == -1 )
return false;
if( bWriteTabs )
for( int i = 0 ; i < iTabBase-1 ; i++)
if( f.Write("\t") == -1 )
return false;
}
if( f.Write("</" + pNode->m_sName + ">") == -1 )
return false;
if( !pNode->m_childs.empty() )
iTabBase--;
}
return true;
}
}
bool XmlFileUtil::GetXML( const XNode *pNode, RageFileBasic &f, bool bWriteTabs )
{
int iTabBase = 0;
return GetXMLInternal( pNode, f, bWriteTabs, iTabBase );
}
RString XmlFileUtil::GetXML( const XNode *pNode )
{
RageFileObjMem f;
int iTabBase = 0;
GetXMLInternal( pNode, f, true, iTabBase );
return f.GetString();
}
bool XmlFileUtil::SaveToFile( const XNode *pNode, RageFileBasic &f, const RString &sStylesheet, bool bWriteTabs )
{
f.PutLine( "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>" );
if( !sStylesheet.empty() )
f.PutLine( "<?xml-stylesheet type=\"text/xsl\" href=\"" + sStylesheet + "\"?>" );
int iTabBase = 0;
if( !GetXMLInternal(pNode, f, bWriteTabs, iTabBase) )
return false;
f.PutLine( "" );
if( f.Flush() == -1 )
return false;
return true;
}
bool XmlFileUtil::SaveToFile( const XNode *pNode, const RString &sFile, const RString &sStylesheet, bool bWriteTabs )
{
RageFile f;
if( !f.Open(sFile, RageFile::WRITE) )
{
LOG->Warn( "Couldn't open %s for writing: %s", sFile.c_str(), f.GetError().c_str() );
return false;
}
return SaveToFile( pNode, f, sStylesheet, bWriteTabs );
}
/*
* (c) 2001-2004 Chris Danford
* All rights reserved.
stepmania/src/XmlFileUtil.h
+7
View File
@@ -10,6 +10,13 @@ namespace XmlFileUtil
{
bool LoadFromFileShowErrors( XNode &xml, const RString &sFile );
bool LoadFromFileShowErrors( XNode &xml, RageFileBasic &f );
// Load/Save XML
unsigned Load( XNode *pNode, const RString &sXml, RString &sErrorOut, unsigned iOffset = 0 );
bool GetXML( const XNode *pNode, RageFileBasic &f, bool bWriteTabs = true );
RString GetXML( const XNode *pNode );
bool SaveToFile( const XNode *pNode, const RString &sFile, const RString &sStylesheet = "", bool bWriteTabs = true );
bool SaveToFile( const XNode *pNode, RageFileBasic &f, const RString &sStylesheet = "", bool bWriteTabs = true );
}
#endif