mirror of
https://github.com/python-LimeReport/LimeReport.git
synced 2024-12-23 20:22:58 +03:00
288 lines
10 KiB
C++
288 lines
10 KiB
C++
#include "lrscripthighlighter.h"
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#include "lrglobal.h"
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#include <QDebug>
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#include <QPalette>
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namespace LimeReport{
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#define KEYWORDS_COUNT 60
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static const char *const keywords[KEYWORDS_COUNT] = {
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"do","if","in","for","int","new","try","var","byte","case","char","else","enum",
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"goto","long","null","this","true","void","with","break","catch","class","const",
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"false","final","float","short","super","throw","while","delete","double","export",
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"import","native","public","return","static","switch","throws","typeof","boolean",
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"default","extends","finally","package","private","abstract","continue","debugger",
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"function","volatile","interface","protected","transient","implements","instanceof",
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"synchronized","let"
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};
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enum LiteralsType {
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SpaceFound,
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AlpahabetFound,
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NumberFound,
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HashFound,
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SlashFound,
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AsterixFound,
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BracketFound,
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QuotationFound,
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ApostropheFound,
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Apostrophe2Found,
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SeparatorFound,
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BackSlashFound,
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LiteralsCount
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};
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enum States {
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Undefined = -1,
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Start,
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MayBeKeyWord,
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Code,
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MayBeComment,
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Comment,
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Comment2,
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MayBeComment2End,
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String,
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String2,
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String3,
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MayBeNumber,
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Separator,
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StatesCount
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};
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void ScriptHighlighter::createParentheisisInfo(const char& literal, TextBlockData *data, const QString& text)
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{
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int pos = text.indexOf(literal);
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while (pos != -1) {
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ParenthesisInfo *info = new ParenthesisInfo;
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info->character = literal;
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info->position = pos;
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data->insert(info);
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pos = text.indexOf(literal, pos + 1);
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}
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}
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void ScriptHighlighter::highlightBlock(const QString& text)
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{
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int literal = -1;
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bool lastWasBackSlash = false;
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States prevState = (States)previousBlockState();
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States state = prevState != Undefined ? (States)prevState : Start;
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States oldState = Undefined;
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const States stateMaschine[StatesCount][LiteralsCount] = {
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// Space Alpahabet Number Hash Slash Asterix, Bracket, Quotation, Apostrophe, Apostrophe2 Separator, Back Slash
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{Separator, MayBeKeyWord, MayBeNumber, Separator, MayBeComment, Separator, Separator, String, String2, String3, Separator, Separator},
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{Separator, MayBeKeyWord, Code, Separator, MayBeComment, Separator, Separator, String, String2, String3, Separator, Separator},
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{Separator, Code, Code, Separator, Separator, Separator, Separator, String, String2, String3, Separator, Separator},
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{Separator, Code, MayBeNumber, Code, Comment, Comment2, Code, String, String2, String3, Separator, Code},
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{Comment, Comment, Comment, Comment, Comment, Comment, Comment, Comment, Comment, Comment, Comment, Comment},
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{Comment2, Comment2, Comment2, Comment2, Comment2, MayBeComment2End, Comment2, Comment2, Comment2, Comment2, Comment2, Comment2},
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{Comment2, Comment2, Comment2, Comment2, Separator, Comment2, Comment2, Comment2, Comment2, Comment2, Comment2, Comment2},
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{String, String, String, String, String, String, String, Separator, String, String, String, String},
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{String2, String2, String2, String2, String2, String2, String2, String2, Separator, String2, String2, String2},
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{String3, String3, String3, String3, String3, String3, String3, String3, String3, Separator, String3, String3},
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{Separator, Code, MayBeNumber, Separator, MayBeComment, Separator, Separator, String, String2, String3, Separator, Code},
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{Separator, MayBeKeyWord, MayBeNumber, Separator, MayBeComment, Separator, Separator, String, String2, String3, Separator, Separator},
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};
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QString buffer;
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setCurrentBlockState(Undefined);
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if (text.isEmpty())
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{
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if (prevState == Comment2)
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setCurrentBlockState(Comment2);
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return;
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}
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int i = 0;
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for (;;){
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QChar currentChar = text.at(i);
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switch(currentChar.toLatin1()){
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case ' ':
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literal = SpaceFound;
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break;
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case '/':
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literal = SlashFound;
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break;
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case '*':
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literal = AsterixFound;
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break;
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case '#':
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literal = HashFound;
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break;
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case '\'':
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literal = ApostropheFound;
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break;
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case '\\':
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literal = BackSlashFound;
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break;
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case '"':
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literal = QuotationFound;
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break;
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case '`':
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literal = Apostrophe2Found;
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break;
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case '{': case '[': case '(':
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case '}': case ']': case ')':
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literal = BracketFound;
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break;
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case '1': case '2': case '3': case '4': case '5':
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case '6': case '7': case '8': case '9': case '0':
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literal = NumberFound;
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break;
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default:
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if (currentChar.isLetter())
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literal = AlpahabetFound;
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else
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literal = SeparatorFound;
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};
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lastWasBackSlash = !lastWasBackSlash && currentChar == QLatin1Char('\\');
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oldState = state;
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state = stateMaschine[state][literal];
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buffer += currentChar;
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if (oldState != state) {
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switch( state ){
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case MayBeComment:
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if (oldState == MayBeNumber){
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setFormat(i-(buffer.length()-1), buffer.length()-1, m_formats[NumberFormat]);
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}
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buffer.clear();
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buffer += currentChar;
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break;
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case String:
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case String2:
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case String3:
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buffer.clear();
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buffer += currentChar;
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break;
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case MayBeKeyWord:
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case MayBeNumber:
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buffer.clear();
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buffer += currentChar;
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break;
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case Comment2:
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setCurrentBlockState(Comment2);
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case Separator:
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switch(oldState){
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case MayBeComment2End:
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setFormat(i-(buffer.length()-1), buffer.length(), m_formats[CommentFormat]);
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setCurrentBlockState(Undefined);
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buffer.clear();
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break;
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case MayBeKeyWord:
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if (isKeyWord(buffer.left(buffer.length()-1))){
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setFormat(i-(buffer.length()-1), buffer.length()-1, m_formats[KeywordFormat]);
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}
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buffer.clear();
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break;
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case MayBeNumber:
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setFormat(i-(buffer.length()-1), buffer.length()-1, m_formats[NumberFormat]);
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buffer.clear();
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case String:
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case String2:
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case String3:
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setFormat(i-(buffer.length()-1), buffer.length(), m_formats[StringFormat]);
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buffer.clear();
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break;
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}
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default:
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break;
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}
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}
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else if (state == Comment2)
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{
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setCurrentBlockState(Comment2);
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}
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if ( state == Comment || state == Comment2 ){
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setFormat(i-(buffer.length()-1), buffer.length(), m_formats[CommentFormat]);
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}
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if ( state == String || state == String2 || state == String3 ){
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setFormat(i-(buffer.length()-1), buffer.length(), m_formats[StringFormat]);
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}
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i++;
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if ( i>= text.length()) break;
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}
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if (buffer.length())
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{
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if (state == MayBeKeyWord)
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{
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if (isKeyWord(buffer))
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setFormat(i - buffer.length(), buffer.length(), m_formats[KeywordFormat]);
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}
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else if (state == MayBeNumber)
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{
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setFormat(i - buffer.length(), buffer.length(), m_formats[NumberFormat]);
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}
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}
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TextBlockData *data = new TextBlockData;
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for (int i = 0; i < PARENHEIS_COUNT; ++i) {
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createParentheisisInfo(parenthesisCharacters[LeftParenthesis][i].toLatin1(), data, text);
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createParentheisisInfo(parenthesisCharacters[RightParenthesis][i].toLatin1(), data, text);
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}
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setCurrentBlockUserData(data);
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}
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bool ScriptHighlighter::isKeyWord(const QString& word)
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{
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return m_keywords.contains(word);
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}
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ScriptHighlighter::ScriptHighlighter(QTextDocument* parent):
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QSyntaxHighlighter(parent)
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{
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for(int i=0; i<KEYWORDS_COUNT; ++i){
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m_keywords.insert(keywords[i]);
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}
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if ( isColorDark(QPalette().window().color())){
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m_formats[NumberFormat].setForeground(Qt::darkBlue);
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m_formats[StringFormat].setForeground(Qt::darkGreen);
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m_formats[KeywordFormat].setForeground(Qt::darkYellow);
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m_formats[CommentFormat].setForeground(Qt::darkGreen);
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m_formats[CommentFormat].setFontItalic(true);
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} else {
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m_formats[NumberFormat].setForeground(QColor("#ff6aad"));
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m_formats[StringFormat].setForeground(QColor("#b27f40"));
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m_formats[KeywordFormat].setForeground(QColor("#45c5d5"));
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m_formats[CommentFormat].setForeground(QColor("#a1a4a9"));
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m_formats[CommentFormat].setFontItalic(true);
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}
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}
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TextBlockData::~TextBlockData()
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{
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foreach(ParenthesisInfo* info, m_parentheses){
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delete info;
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}
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}
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QVector<ParenthesisInfo*> TextBlockData::parentheses()
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{
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return m_parentheses;
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}
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void TextBlockData::insert(ParenthesisInfo* info)
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{
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int i = 0;
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while (i < m_parentheses.size() &&
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info->position > m_parentheses.at(i)->position)
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++i;
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m_parentheses.insert(i, info);
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}
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} // namespace LimeReport
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