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tdewebdev/quanta/parsers/saparser.cpp

987 lines
36 KiB

/***************************************************************************
saparser.cpp - description
-------------------
begin : Wed Feb 11 2004
copyright : (C) 2004 Andras Mantia <amantia@kde.org>
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
//qt includes
#include <tqtimer.h>
//kde includes
#include <kdebug.h>
#include <tdetexteditor/editinterface.h>
//own includes
#include "saparser.h"
#include "sagroupparser.h"
#include "document.h"
#include "dtds.h"
#include "node.h"
#include "parsercommon.h"
#include "qtag.h"
#include "quantacommon.h"
#include "resource.h"
//#define DEBUG_PARSER
SAParser::SAParser()
{
m_write = 0L;
m_baseNode = 0L;
m_currentNode = 0L;
m_quotesRx = TQRegExp("\"|'");
m_specialInsideXml = false;
m_parsingEnabled = true;
m_synchronous = true;
m_parseOneLineTimer = new TQTimer(this);
connect(m_parseOneLineTimer, TQ_SIGNAL(timeout()), this, TQ_SLOT(slotParseOneLine()));
m_parseInDetailTimer = new TQTimer(this);
connect(m_parseInDetailTimer, TQ_SIGNAL(timeout()), this, TQ_SLOT(slotParseNodeInDetail()));
}
SAParser::~SAParser()
{
}
void SAParser::init(Node *node, Document* write)
{
m_baseNode = node;
m_write = write;
m_dtd = write->defaultDTD();
}
bool SAParser::slotParseOneLine()
{
if ((!m_parsingEnabled || !baseNode) && !m_synchronous)
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "slotParseOneLine - interrupted" << endl;
#endif
return false;
}
if (s_line <= s_endLine)
{
s_contextFound = false;
switch (s_currentContext.type)
{
case Group:
case Text: {
int areaEndPos = -1;
int quotedStringPos = -1;
int commentPos = -1;
int groupKeywordPos = -1;
if (s_searchContent || (s_parentNode && s_parentNode->tag->dtd()->family == Xml))
{
//search for different s_contexts
if (s_searchContent) //search for quoted strings, comments, groups only in non-comment special areas
{
quotedStringPos = s_textLine.find(m_quotesRx, s_col); //quoted strings
s_searchedString = s_textLine.left(quotedStringPos);
commentPos = s_searchedString.find(s_dtd->commentsStartRx, s_col); //comments
s_searchedString = s_textLine.left(commentPos);
if (s_fullParse)
groupKeywordPos = s_searchedString.find(s_dtd->structRx, s_col); //groups, like { }
} else
s_searchedString = s_textLine;
int specialAreaPos = -1;
if (s_searchForSpecialAreas) //special area inside special area
{
s_searchedString = s_textLine.left(groupKeywordPos);
specialAreaPos = s_searchedString.find(s_dtd->specialAreaStartRx, s_col);
}
if (s_searchForAreaEnd) //the end of the special area
{
s_searchedString = s_textLine.left(specialAreaPos);
areaEndPos = s_searchedString.find(s_areaEndString, s_col);
} else
if (s_searchForForcedAreaEnd) //the end of the special area if a forcing string was specified
{
s_searchedString = s_textLine.left(specialAreaPos);
areaEndPos = s_searchedString.find(s_forcedAreaRx, s_col);
if (areaEndPos != -1)
s_areaEndString = s_forcedAreaRx.cap();
}
//check which s_context was found first
if (quotedStringPos != -1) //is it a quoted string?
{
if ( (quotedStringPos < commentPos || commentPos == -1) &&
(quotedStringPos < groupKeywordPos || groupKeywordPos == -1) &&
(quotedStringPos < specialAreaPos || specialAreaPos == -1) &&
(quotedStringPos < areaEndPos || areaEndPos == -1) )
{
s_context.type = QuotedString;
s_context.area.bCol = quotedStringPos;
s_context.startString = s_textLine.mid(quotedStringPos, 1);
s_contextFound = true;
}
}
if (!s_contextFound && commentPos != -1) //is it a comment?
{
if ( (commentPos < groupKeywordPos || groupKeywordPos == -1) &&
(commentPos < specialAreaPos || specialAreaPos == -1) &&
(commentPos < areaEndPos || areaEndPos == -1) )
{
s_context.type = Comment;
s_context.area.bCol = commentPos;
s_context.startString = s_dtd->commentsStartRx.cap();
s_contextFound = true;
}
}
if (!s_contextFound && groupKeywordPos != -1) //is it a group structure?
{
if ( (groupKeywordPos < specialAreaPos || specialAreaPos == -1) &&
(groupKeywordPos < areaEndPos || areaEndPos == -1) )
{
TQString foundText = s_dtd->structRx.cap();
if (foundText == s_dtd->structBeginStr)
{
s_context.type = Group;
s_context.area.bCol = groupKeywordPos;
s_context.startString = foundText;
//create a text node until the struct. beginning
s_currentContext.area.eLine = s_line;
s_currentContext.area.eCol = groupKeywordPos + foundText.length() - 1;
if (s_currentNode &&
(s_currentNode->tag->type == Tag::Text ||
s_currentNode->tag->type == Tag::Empty) )
ParserCommon::appendAreaToTextNode(m_write, s_currentContext.area, s_currentNode);
else
s_currentNode = ParserCommon::createTextNode(m_write, s_currentNode, s_line, s_currentContext.area.eCol + 1, s_currentContext.parentNode);
s_currentNode->tag->type = Tag::ScriptStructureBegin;
s_currentNode->tag->single = false;
s_currentNode->insideSpecial = true;
s_currentNode->specialInsideXml = m_specialInsideXml;
s_currentContext.lastNode = s_currentNode;
s_contextStack.push(s_currentContext);
s_currentContext.parentNode = s_currentNode;
s_col = s_context.area.bCol + s_context.startString.length();
s_currentContext.area.bLine = s_line;
s_currentContext.area.bCol = s_col;
s_currentContext.type = Group;
if (m_synchronous)
//slotParseOneLine();
return true;
else
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling slotParseOneLine from parseArea (opening group struct)." << endl;
#endif
m_parseOneLineTimer->start(0, true);
}
return true;
} else //it's a closing group structure element (like "}")
{
if (s_currentContext.type != Group)
{
s_col = groupKeywordPos + foundText.length();
if (m_synchronous)
//slotParseOneLine();
return true;
else
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling slotParseOneLine from parseArea (closing group struct)." << endl;
#endif
m_parseOneLineTimer->start(0, true);
}
return true;
}
s_currentContext.area.eLine = s_line;
s_currentContext.area.eCol = groupKeywordPos - 1;
//kdDebug(24000) << TQString("Group Struct s_context: %1, %2, %3, %4").arg( s_currentContext.bLine).arg(s_currentContext.bCol).arg(s_currentContext.eLine).arg(s_currentContext.eCol) << endl;
if (s_currentNode &&
(s_currentNode->tag->type == Tag::Text ||
s_currentNode->tag->type == Tag::Empty) )
ParserCommon::appendAreaToTextNode(m_write, s_currentContext.area, s_currentNode);
else
s_currentNode = ParserCommon::createTextNode(m_write, s_currentNode, s_line, groupKeywordPos, s_currentContext.parentNode);
if (s_currentNode)
{
s_currentNode->insideSpecial = true;
s_currentNode->specialInsideXml = m_specialInsideXml;
}
s_previousContext = s_contextStack.pop();
s_currentContext.parentNode = s_previousContext.parentNode;
s_currentContext.lastNode = s_previousContext.lastNode;
s_currentContext.type = s_previousContext.type;
s_currentContext.area.bLine = s_line;
s_currentContext.area.bCol = groupKeywordPos + foundText.length();
s_currentContext.area.eLine = s_currentContext.area.eCol = -1;
s_currentContext.startString = s_previousContext.startString;
s_col = s_currentContext.area.bCol;
Tag *tag = new Tag();
tag->name = foundText;
tag->setStr(foundText);
tag->setWrite(m_write);
tag->setTagPosition(s_line, groupKeywordPos, s_line, s_col - 1);
tag->setDtd(s_dtd);
tag->type = Tag::ScriptStructureEnd;
tag->single = true;
Node *node = new Node(s_currentContext.parentNode);
nodeNum++;
node->tag = tag;
node->insideSpecial = true;
node->specialInsideXml = m_specialInsideXml;
if (s_currentContext.parentNode && !s_currentContext.parentNode->child)
{
s_currentContext.parentNode->child = node;
}
else if (s_currentContext.lastNode)
{
node->prev = s_currentContext.lastNode;
s_currentContext.lastNode->next = node;
}
s_currentNode = node;
if (m_synchronous)
return true;
else
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling slotParseOneLine from parseArea (group structure)." << endl;
#endif
m_parseOneLineTimer->start(0, true);
}
return true;
}
}
}
if (!s_contextFound && specialAreaPos != -1) //is it a special area?
{
if (specialAreaPos < areaEndPos || areaEndPos == -1)
{
TQString foundText = s_dtd->specialAreaStartRx.cap();
s_currentContext.area.eLine = s_line;
s_currentContext.area.eCol = specialAreaPos - 1;
if (s_fullParse)
{
if ( s_currentNode &&
(s_currentNode->tag->type == Tag::Text ||
s_currentNode->tag->type == Tag::Empty) )
ParserCommon::appendAreaToTextNode(m_write, s_currentContext.area, s_currentNode);
else
s_currentNode = ParserCommon::createTextNode(m_write, s_currentNode, s_line, specialAreaPos, s_currentContext.parentNode);
if (s_currentNode)
{
s_currentNode->insideSpecial = true;
s_currentNode->specialInsideXml = m_specialInsideXml;
}
}
//create a toplevel node for the included special area
AreaStruct area(s_line, specialAreaPos, s_line, specialAreaPos + foundText.length() - 1);
Node *node = ParserCommon::createScriptTagNode(m_write, area, foundText, s_dtd, s_currentContext.parentNode, s_currentNode);
#ifdef DEBUG_PARSER
kdDebug(24001) << "Parsing a nested area." << endl;
#endif
AreaStruct area2(s_line, specialAreaPos, s_endLine, s_endCol);
SAParser *p = new SAParser();
p->init(m_baseNode, m_write);
s_currentNode = p->parseArea(area2, foundText, "", node, s_fullParse, true);
s_line = p->lastParsedLine();
s_col = p->lastParsedColumn();
delete p;
s_currentContext.area.bLine = s_line;
s_currentContext.area.bCol = s_col + 1;
s_textLine = ParserCommon::getLine(m_write, s_line, s_endLine, s_endCol);
s_col++;
if (m_synchronous)
{
return true;
}
else
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling slotParseOneLine from slotParseOneLine (nested area)." << endl;
#endif
m_parseOneLineTimer->start(0, true);
return true;
}
}
}
} else //when we look only for the area end string
if (s_searchForAreaEnd)
{
areaEndPos = s_textLine.find(s_areaEndString, s_col);
} else
if (s_searchForForcedAreaEnd)
{
areaEndPos = s_textLine.find(s_forcedAreaRx, s_col);
if (areaEndPos != -1)
s_areaEndString = s_forcedAreaRx.cap();
}
if (!s_contextFound && areaEndPos != -1) //did we find the end of the special area?
{
m_lastParsedLine = s_line;
m_lastParsedCol = areaEndPos + s_areaEndString.length() - 1;
s_currentContext.area.eLine = s_line;
s_currentContext.area.eCol = areaEndPos - 1;
//Always create a node between the opening and closing special area nodes.
//This fixes the "commnet loss" bug when editing in VPL and autocompletion
//for simple special areas like <? a ?>
if (s_fullParse || !s_parentNode->child)
{
if ( s_currentNode &&
(s_currentNode->tag->type == Tag::Text ||
s_currentNode->tag->type == Tag::Empty) )
ParserCommon::appendAreaToTextNode(m_write, s_currentContext.area, s_currentNode);
else
{
s_currentNode = ParserCommon::createTextNode(m_write, s_currentNode, s_line, areaEndPos, s_parentNode);
}
if (s_currentNode)
{
s_currentNode->insideSpecial = true;
s_currentNode->specialInsideXml = m_specialInsideXml;
}
}
//kdDebug(24000) << TQString("Special area %1 ends at %2, %3").arg(s_dtd->name).arg(s_line).arg(lastCol) << endl;
//create a closing node for the special area
Tag *tag = new Tag();
tag->setTagPosition(s_line, areaEndPos, s_line, m_lastParsedCol);
tag->parse(s_areaEndString, m_write);
tag->setDtd(s_dtd);
tag->type = Tag::XmlTagEnd;
tag->validXMLTag = false; //FIXME: this is more or less a workaround. We should introduce and handle Tag::ScriptTagEnd
tag->single = true;
//at this point s_parentNode = the opening node of the special area (eg. <?)
//and it should always exist
Node *node = new Node(s_parentNode->parent);
nodeNum++;
s_parentNode->next = node;
node->prev = s_parentNode;
node->tag = tag;
node->closesPrevious = true;
if (s_fullParse)
{
Node *g_node, *g_endNode;
g_node = s_parentNode->child;
/* g_endNode = s_currentNode;
if (g_node && g_node == g_endNode)
g_endNode = s_parentNode->next;*/
g_endNode = node;
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling slotParseForScriptGroup from slotParseOneLine." << endl;
#endif
// slotParseForScriptGroup();
if (!m_synchronous)
{
bool parsingLastNode = true;
Node *n = g_endNode;
while (n)
{
n = n->nextSibling();
if (n && n->insideSpecial)
{
parsingLastNode = false;
break;
}
}
SAGroupParser *groupParser = new SAGroupParser(this, write(), g_node, g_endNode, m_synchronous, parsingLastNode, true);
connect(groupParser, TQ_SIGNAL(rebuildStructureTree(bool)), TQ_SIGNAL(rebuildStructureTree(bool)));
connect(groupParser, TQ_SIGNAL(cleanGroups()), TQ_SIGNAL(cleanGroups()));
connect(groupParser, TQ_SIGNAL(parsingDone(SAGroupParser*)), TQ_SLOT(slotGroupParsingDone(SAGroupParser*)));
groupParser->slotParseForScriptGroup();
m_groupParsers.append(groupParser);
}
}
m_lastParsedNode = node;
s_useReturnVars = true;
if (!m_synchronous)
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling parsingDone from slotParseOneLine (area end found)." << endl;
#endif
m_lastParsedNode = parsingDone();
}
return false; //parsing finished
}
if (s_contextFound)
{
s_context.area.bLine = s_line;
s_context.area.eLine = s_context.area.eCol = -1;
s_context.parentNode = s_currentContext.parentNode;
s_currentContext.area.eLine = s_context.area.bLine;
s_currentContext.area.eCol = s_context.area.bCol - 1;
// s_currentContext.parentNode = s_parentNode;
s_contextStack.push(s_currentContext);
if (s_fullParse)
{
if (s_currentNode &&
(s_currentNode->tag->type == Tag::Text || s_currentNode->tag->type == Tag::Empty) )
{
ParserCommon::appendAreaToTextNode(m_write, s_currentContext.area, s_currentNode);
s_currentNode->insideSpecial = true;
s_currentNode->specialInsideXml = m_specialInsideXml;
} else
if (s_currentContext.area.bLine < s_currentContext.area.eLine ||
(s_currentContext.area.bLine == s_currentContext.area.eLine &&
s_currentContext.area.bCol < s_currentContext.area.eCol))
{
//create a tag from the s_currentContext
Tag *tag = new Tag(s_currentContext.area, m_write, s_dtd);
TQString tagStr = tag->tagStr();
tag->cleanStr = tagStr;
QuantaCommon::removeCommentsAndQuotes(tag->cleanStr, s_dtd);
if (tagStr.simplifyWhiteSpace().isEmpty())
{
tag->type = Tag::Empty;
} else
{
tag->type = Tag::Text;
}
tag->single = true;
//create a node with the above tag
Node *node = new Node(s_currentContext.parentNode);
nodeNum++;
node->tag = tag;
node->insideSpecial = true;
node->specialInsideXml = m_specialInsideXml;
if (s_currentContext.parentNode && !s_currentContext.parentNode->child)
{
s_currentContext.parentNode->child = node;
}
else if (s_currentNode)
{
node->prev = s_currentNode;
s_currentNode->next = node;
}
s_currentNode = node;
}
}
//kdDebug(24000) << TQString("%1 s_context: %2, %3, %4, %5").arg(s_currentContext.type).arg( s_currentContext.bLine).arg(s_currentContext.bCol).arg(s_currentContext.eLine).arg(s_currentContext.eCol) << endl;
s_currentContext = s_context;
s_col = s_context.area.bCol + s_context.startString.length();
} else
{
s_line++;
s_col = 0;
s_textLine = ParserCommon::getLine(m_write, s_line, s_endLine, s_endCol);
}
break;
}
case QuotedString:
{
int pos = -1;
int p = s_col;
int l = s_textLine.length();
while (p < l)
{
p = s_textLine.find(s_currentContext.startString, p);
if (p != -1)
{
if (p >= 0)
{
int i = p - 1;
int slahNum = 0;
while (i > 0 && s_textLine[i] == '\\')
{
slahNum++;
i--;
}
if (p == 0 || (slahNum % 2 == 0))
{
pos = p;
break;
}
}
} else
break;
p++;
}
if (pos != -1)
{
// if (pos != 0) pos++;
s_currentContext.area.eLine = s_line;
s_currentContext.area.eCol = pos;
//kdDebug(24000) << TQString("Quoted String s_context: %1, %2, %3, %4").arg( s_currentContext.bLine).arg(s_currentContext.bCol).arg(s_currentContext.eLine).arg(s_currentContext.eCol) << endl;
if (s_fullParse)
{
if ( s_currentNode &&
(s_currentNode->tag->type == Tag::Text ||
s_currentNode->tag->type == Tag::Empty) )
ParserCommon::appendAreaToTextNode(m_write, s_currentContext.area, s_currentNode);
else
s_currentNode = ParserCommon::createTextNode(m_write, 0L, s_line, pos, s_currentContext.parentNode);
s_currentNode->insideSpecial = true;
s_currentNode->specialInsideXml = m_specialInsideXml;
}
s_previousContext = s_contextStack.pop();
s_currentContext.parentNode = s_previousContext.parentNode;
s_currentContext.type = s_previousContext.type;
s_currentContext.area.bLine = s_line;
s_currentContext.area.bCol = pos + 1;
s_currentContext.area.eLine = s_currentContext.area.eCol = -1;
s_currentContext.startString = s_previousContext.startString;
s_col = pos + 1;
} else
{
s_line++;
s_col = 0;
s_textLine = ParserCommon::getLine(m_write, s_line, s_endLine, s_endCol);
}
break;
}
case Comment:
{
int pos = s_textLine.find(s_dtd->comments[s_currentContext.startString], s_col);
if (pos == -1 && s_dtd->comments[s_currentContext.startString] == "\n")
{
int pos2 = s_textLine.find(s_areaEndString, s_col);
if (pos2 != -1)
{
pos = pos2 - 1;
} else
{
pos = s_textLine.length();
}
}
if (pos != -1)
{
s_currentContext.area.eLine = s_line;
s_currentContext.area.eCol = pos + s_dtd->comments[s_currentContext.startString].length() - 1;
s_currentContext.type = s_previousContext.type;
//kdDebug(24000) << TQString("Comment s_context: %1, %2, %3, %4").arg( s_currentContext.bLine).arg(s_currentContext.bCol).arg(s_currentContext.eLine).arg(s_currentContext.eCol) << endl;
if (s_fullParse)
{
//create a tag with the comment
Tag *tag = new Tag(s_currentContext.area, m_write, s_dtd);
tag->type = Tag::Comment;
tag->single = true;
//create a node with the above tag
Node *node = new Node(s_currentContext.parentNode);
nodeNum++;
node->tag = tag;
node->insideSpecial = true;
node->specialInsideXml = m_specialInsideXml;
if (s_currentNode && s_currentNode != node->parent)
{
s_currentNode->next = node;
node->prev = s_currentNode;
} else
if (node->parent && !node->parent->child)
node->parent->child = node;
s_currentNode = node;
}
s_previousContext = s_contextStack.pop();
s_currentContext.parentNode = s_previousContext.parentNode;
s_currentContext.type = s_previousContext.type;
s_currentContext.area.bLine = s_line;
s_currentContext.area.bCol = s_currentContext.area.eCol + 1;
s_currentContext.area.eLine = s_currentContext.area.eCol = -1;
s_currentContext.startString = s_previousContext.startString;
s_col = s_currentContext.area.bCol;
} else
{
s_line++;
s_col = 0;
s_textLine = ParserCommon::getLine(m_write, s_line, s_endLine, s_endCol);
}
break;
}
default:
{
s_line++;
s_col = 0;
s_textLine = ParserCommon::getLine(m_write, s_line, s_endLine, s_endCol);
}
}
if (m_synchronous)
{
//slotParseOneLine();
}
else
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling slotParseOneLine from slotParseOneLine." << endl;
#endif
m_parseOneLineTimer->start(0, true);
}
} else
{
if (!m_synchronous)
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling parsingDone from slotParseOneLine." << endl;
#endif
parsingDone();
}
return false; //parsing finished
}
return true;
}
Node* SAParser::parseArea(const AreaStruct &specialArea,
const TQString &areaStartString,
const TQString &forcedAreaEndString,
Node *parentNode,
bool fullParse, bool synchronous)
{
m_synchronous = synchronous;
s_parentNode = parentNode;
s_fullParse = fullParse;
#ifdef DEBUG_PARSER
kdDebug(24001) << "parseArea full: " << s_fullParse << " synch: " << m_synchronous <<endl;
#endif
int s_startLine = specialArea.bLine;
int s_startCol = specialArea.bCol;
s_endLine = specialArea.eLine;
s_endCol = specialArea.eCol;
//kdDebug(24000) << TQString("Starting to parse at %1, %2 for %3").arg(s_startLine).arg(s_startCol).arg(areaStartString) << endl;
s_searchForAreaEnd = false;
s_searchForForcedAreaEnd = false;
s_dtd = 0L;
if (s_parentNode && !areaStartString.isEmpty())
{
const DTDStruct *parentDTD = m_dtd;
if (s_parentNode->parent)
parentDTD = s_parentNode->parent->tag->dtd();
s_dtd = DTDs::ref()->find(parentDTD->specialAreaNames[areaStartString]);
s_areaEndString = parentDTD->specialAreas[areaStartString];
s_searchForAreaEnd = true;
}
if (!forcedAreaEndString.isEmpty())
{
s_forcedAreaRx.setPattern(forcedAreaEndString);
s_forcedAreaRx.setCaseSensitive(m_dtd->caseSensitive);
s_searchForForcedAreaEnd = true;
s_searchForAreaEnd = false;
if (s_parentNode)
s_dtd = s_parentNode->tag->dtd();
}
s_searchContent = true;
if (s_parentNode && s_parentNode->tag->type == Tag::Comment)
s_searchContent = false;
if (!s_dtd)
{
if (s_parentNode)
s_dtd = s_parentNode->tag->dtd(); //fallback, usually when the special area is a comment
else
s_dtd = m_dtd; //fallback when there is no s_parentNode
}
m_write->addDTEP(s_dtd->name);
s_searchForSpecialAreas = (s_dtd->specialAreas.count() > 0);
if (s_parentNode && s_parentNode->tag->type == Tag::Comment)
s_searchForSpecialAreas = false;
s_col = s_startCol + areaStartString.length();
s_line = s_startLine;
s_textLine = m_write->text(s_startLine, 0, s_startLine, m_write->editIf->lineLength(s_startLine));
if (s_line == s_endLine)
{
if (s_endCol > 0)
s_textLine.truncate(s_endCol + 1);
else
s_textLine = "";
}
s_previousContext.type = Unknown;
s_currentContext.type = Text;
s_currentContext.area.bLine = s_line;
s_currentContext.area.bCol = s_col;
s_currentContext.area.eLine = s_currentContext.area.eCol = -1;
s_currentContext.parentNode = s_parentNode;
s_currentNode = s_parentNode;
m_lastParsedNode = 0L;
s_useReturnVars = false;
if (s_line <= s_endLine)
{
if (m_synchronous)
{
while (slotParseOneLine()); //actually this parses the whole area, as synchronous == true
if (s_useReturnVars) //this is true if the special area end was found
{
return m_lastParsedNode;
}
}
else
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling slotParseOneLine from parseArea." << endl;
#endif
m_parseOneLineTimer->start(0, true);
return 0L;
}
}
if (m_synchronous) //if the special area end was not found and we are in synchronous mode
{
s_next = 0L;
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling parsingDone from parseArea." << endl;
#endif
s_currentNode = parsingDone();
return s_currentNode;
}
return 0L;
}
Node *SAParser::parsingDone()
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "parsingDone. Use return values:" << s_useReturnVars << endl;
#endif
if (s_useReturnVars)
{
if (s_fullParse)
{
Node *n = m_lastParsedNode;
if (m_useNext)
{
// kdDebug(24000) << "m_lastParsedNode: " << m_lastParsedNode << " " << m_lastParsedNode->tag->tagStr() << endl;
n->next = s_next;
if (s_next)
{
s_next->prev = n;
}
n->prev = s_parentNode;
}
m_currentNode = n->nextSibling();
if (m_currentNode)
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling slotParseNodeInDetail from parsingDone (use return values)" << endl;
#endif
m_parseInDetailTimer->start(0, true);
return m_lastParsedNode;
}
else
{
m_parsingEnabled = true;
#ifdef DEBUG_PARSER
kdDebug(24001) << "Emitting rebuildStructureTree from parsingDone (use return values). Enable parsing." << endl;
#endif
emit rebuildStructureTree(false);
#ifdef DEBUG_PARSER
// kdDebug(24000) << "Calling cleanGroups from SAParser::parsingDone" << endl;
#endif
emit cleanGroups();
}
}
m_currentNode = 0L;
return m_lastParsedNode;
}
if (!s_currentNode)
{
s_currentNode = ParserCommon::createTextNode(m_write, s_parentNode, s_endLine, s_endCol, s_parentNode);
if (s_currentNode)
{
s_currentNode->insideSpecial = true;
s_currentNode->specialInsideXml = m_specialInsideXml;
}
}
else if (s_parentNode && !s_parentNode->next)
{
s_currentNode = ParserCommon::createTextNode(m_write, s_currentNode, s_endLine, s_endCol, s_parentNode);
s_currentNode->insideSpecial = true;
s_currentNode->specialInsideXml = m_specialInsideXml;
}
if (s_fullParse)
{
Node *n;
if (s_parentNode)
{
n = s_parentNode;//->child;
} else
{
n = s_currentNode;
while (n && n->prev)
n = n->prev;
s_currentNode = n;
}
Node *g_node = n;
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling slotParseForScriptGroup from parsingDone. Synch:" << m_synchronous << endl;
#endif
//parse for groups only when doing aynchronous detailed parsing
if (!m_synchronous)
{
SAGroupParser *groupParser = new SAGroupParser(this, write(), g_node, 0L, m_synchronous, true /*last node*/, true);
connect(groupParser, TQ_SIGNAL(rebuildStructureTree(bool)), TQ_SIGNAL(rebuildStructureTree(bool)));
connect(groupParser, TQ_SIGNAL(cleanGroups()), TQ_SIGNAL(cleanGroups()));
connect(groupParser, TQ_SIGNAL(parsingDone(SAGroupParser*)), TQ_SLOT(slotGroupParsingDone(SAGroupParser*)));
groupParser->slotParseForScriptGroup();
m_groupParsers.append(groupParser);
}
}
m_lastParsedLine = s_endLine;
m_lastParsedCol = s_endCol + 1;
if (s_fullParse && m_currentNode)
{
if (m_useNext && s_currentNode)
{
// kdDebug(24000) << "s_currentNode: " << s_currentNode << endl;
Node *n = s_currentNode;
n->next = s_next;
if (s_next)
s_next->prev = n;
}
m_currentNode = m_currentNode->nextSibling();
if (m_currentNode)
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling slotParseNodeInDetail from parsingDone." << endl;
#endif
m_parseInDetailTimer->start(0, true);
emit rebuildStructureTree(false);
}
else
{
m_parsingEnabled = true;
#ifdef DEBUG_PARSER
kdDebug(24001) << "Emitting detailedParsingDone from parsingDone. Enable parsing." << endl;
#endif
emit rebuildStructureTree(false);
}
}
m_currentNode = 0L;
return s_currentNode;
}
void SAParser::parseInDetail(bool synchronous)
{
// synchronous = true; //for testing. Uncomment to test the parser in synchronous mode
// return; //for testing. Uncomment to disable the detailed parser
#ifdef DEBUG_PARSER
kdDebug(24001) << "parseInDetail. Enabled: " << m_parsingEnabled << endl;
#endif
if (!m_parsingEnabled)
{
m_currentNode = m_baseNode;
m_parsingEnabled = true;
m_synchronous = synchronous;
if (m_currentNode)
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling slotParseNodeInDetail from parseInDetail." << endl;
#endif
slotParseNodeInDetail();
}
}
}
void SAParser::slotParseNodeInDetail()
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "slotParseNodeInDetail. Enabled: " << m_parsingEnabled << " Synch: " << m_synchronous << endl; //this is really heavy debug information, enable only when really needed
#endif
if (m_currentNode && m_parsingEnabled && baseNode)
{
if (m_currentNode->insideSpecial &&
m_currentNode->tag->type != Tag::Comment &&
m_currentNode->tag->type != Tag::Text &&
m_currentNode->tag->type != Tag::Empty)
{
Node::deleteNode(m_currentNode->child);
m_currentNode->child = 0L;
AreaStruct area(m_currentNode->tag->area());
s_next = 0L;
m_useNext = false;
//FIXME: Find out why can the tag become 0L
if (m_currentNode->next && m_currentNode->next->tag)
{
AreaStruct area2(m_currentNode->next->tag->area());
area.eLine = area2.eLine;
area.eCol = area2.eCol + 1;
s_next = m_currentNode->next->next;
if (m_currentNode->next->closesPrevious)
{
m_currentNode->next->removeAll = false;
Node *secondNext = m_currentNode->next->next;
if (secondNext)
secondNext->prev = m_currentNode;
Node::deleteNode(m_currentNode->next);
m_currentNode->next = secondNext;
m_useNext = true;
}
} else
{
area.eLine = m_write->editIf->numLines() - 1;
area.eCol = m_write->editIf->lineLength(area.eLine);
}
#ifdef DEBUG_PARSER
kdDebug(24001) << "Calling parseArea from slotParseNodeInDetail." << endl;
#endif
TQString areaStartString = m_currentNode->tag->tagStr();
if (m_currentNode->tag->dtd()->specialAreaNames[areaStartString].isEmpty())
{
AreaStruct area2(m_currentNode->tag->area());
area.bLine = area2.eLine;
area.bCol = area2.eCol + 1;
parseArea(area, "", "</"+m_currentNode->tag->name+"\\s*>", m_currentNode, true, m_synchronous);
}
else
parseArea(area, m_currentNode->tag->tagStr(), "", m_currentNode, true, m_synchronous);
} else
{
// Node *node = m_currentNode;
m_currentNode = m_currentNode->nextSibling();
if (m_currentNode)
{
#ifdef DEBUG_PARSER
// kdDebug(24001) << "Calling slotParseNodeInDetail from slotParseNodeInDetail." << endl; //this is really heavy debug information, enable only when really needed
#endif
m_parseInDetailTimer->start(0, true);
} else
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Emitting rebuildStructureTree from slotParseNodeInDetail." << endl;
#endif
emit rebuildStructureTree(false);
}
}
}
}
void SAParser::setParsingEnabled(bool enabled)
{
#ifdef DEBUG_PARSER
kdDebug(24001) << "Parsing enabled: " << enabled << endl;
#endif
m_parsingEnabled = enabled;
if (!enabled)
{
m_parseOneLineTimer->stop();
m_parseInDetailTimer->stop();
for (TQValueList<SAGroupParser*>::Iterator it = m_groupParsers.begin(); it != m_groupParsers.end(); ++it)
{
(*it)->m_parseForGroupTimer->stop();
delete (*it);
}
m_groupParsers.clear();
}
}
void SAParser::slotGroupParsingDone(SAGroupParser *groupParser)
{
m_groupParsers.remove(groupParser);
delete groupParser;
}
#include "saparser.moc"