1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/***************************************************************************
parser.h - description
-------------------
begin : Sun Sep 1 2002
copyright : (C) 2002, 2003, 2004 by 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; version 2 of the License. *
* *
***************************************************************************/
#ifndef PARSER_H
#define PARSER_H
#include <tqobject.h>
#include <tqdict.h>
#include <tqstringlist.h>
#include <tqmap.h>
#include <tqguardedptr.h>
#include <tqvaluestack.h>
#include "node.h"
#include "tag.h"
#include "qtag.h"
/**
*@author Andras Mantia
*/
class Document;
class KDirWatch;
class TQRegExp;
class NodeModifsSet;
class SAParser;
typedef TQMap<TQString, GroupElementMapList> IncludedGroupElements;
typedef TQMap<TQString, IncludedGroupElements> IncludedGroupElementsMap;
class Parser: public TQObject {
Q_OBJECT
public:
Parser();
~Parser();
/** Parse a string, using as start position sLine, sCol. */
Node *parseArea(int startLine, int startCol, int endLine, int endCol, Node **lastNode, Node *a_node = 0L);
/** Parse the whole text from Document w and build the internal structure tree
from Nodes. Set force to true if you want to avoid the possible checks. */
Node *parse(Document *w, bool force = false);
/** Returns the node for position (line, column). As more than one node can
contain the same area, it return the "deepest" node. */
Node *nodeAt(int line, int col, bool findDeepest = true, bool exact = false);
/** Rebuild the nodes */
Node *rebuild(Document *w);
/** No descriptions */
const DTDStruct * currentDTD(int line, int col);
/** Remove the found groups from the memeber variables */
void clearGroups();
void parseIncludedFiles();
/** Enable/Disable parsing. */
void setSAParserEnabled(bool enabled);
void setParsingEnabled(bool enabled) {m_parsingEnabled = enabled;}
bool isParsingEnabled() {return m_parsingEnabled;}
void setParsingNeeded(bool needed) {m_parsingNeeded = needed;}
bool parsingNeeded() {return m_parsingNeeded;}
/**
* This function is ESSENTIAL : when one modify baseNode, one MUST use
* this function to set the internal parser RootNode pointer to the same Node as
* baseNode. If one forget, some strange sigserv errors concerning inexisting tags
* (Node->tag == 0) will occurs.
* Crash errors of Parser::nodeAt is a good sign of a missing setRootNode
*/
void setRootNode(Node* node) {m_node = node;} //TODO: check if m_saParser should be updated or not!
void synchParseInDetail();
IncludedGroupElementsMap includedMap;
bool parsingEnabled;
bool m_treeReparsed;
public slots:
void slotParseInDetail();
/** Remove the found groups from the memeber variables */
void cleanGroups();
private slots:
void slotIncludedFileChanged(const TQString& fileName);
signals:
void nodeTreeChanged();
void rebuildStructureTree(bool);
private:
Node* m_node; //the internal Node pointer
TQString m_dtdName; //the DTD name of write
const DTDStruct* m_dtd; //the dtd used for main parsing
TQGuardedPtr<Document> write; //pointer to the parsed document
int maxLines; // how many lines are in the current document
int oldMaxLines;
int treeSize;
TQMap<TQString, XMLStructGroup>::ConstIterator xmlGroupIt;
bool m_parsingEnabled;
bool m_parsingNeeded;
/** Clears the group elements found in the included files */
void clearIncludedGroupElements();
void parseIncludedFile(const TQString &fileName, const DTDStruct *dtd);
/** Searches for scripts inside the text from startNode. It looks only for the
script begin/and delimiters, and not for the <script> or other special tags.
Useful when parsing for script inside the xml tags.
Returns: true if a script area is found, false if the parsed text does not
contain any scripts. */
bool parseScriptInsideTag(Node *startNode);
/** Parses the node for XML groups (specific tags)*/
void parseForXMLGroup(Node *node);
/** Determines the area that should be reparsed.
w: the document we are working on
area: the invalid areas
firstNode: the first unchanged node before the current position
lastNode: the first unchanged node after the current position
Returns: true if an area was found, false otherwise => require full parsing
*/
bool invalidArea(Document *w, AreaStruct &area, Node **firstNode, Node **lastNode);
/** Deletes all the nodes between the firstNode and lastNode and keeps the tree's consistency.
modifs is the class recording these changes for the undo/redo system, cf undoredo.h */
void deleteNodes(Node *firstNode, Node *lastNode, NodeModifsSet *modifs);
/**
* This function must be called before reparsing : it log in the undo/redo system
* that the whole Node tree is reloaded.
* @param modifs This class record all the changes made.
* @param w modifs will be inserted in w's undoredo list.
*/
void logReparse(NodeModifsSet *modifs, Document *w);
SAParser *m_saParser; //the special area parser object
/** Maybe we should move to a separate, special area parsing class */
Node* specialAreaParsingDone(int &lastLine, int &lastCol);
bool m_parseIncludedFiles;
};
#endif
|
