Diffstat (limited to 'noncore/net/mailit/textparser.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/net/mailit/textparser.cpp | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/noncore/net/mailit/textparser.cpp b/noncore/net/mailit/textparser.cpp new file mode 100644 index 0000000..f082417 --- a/dev/null +++ b/noncore/net/mailit/textparser.cpp @@ -0,0 +1,294 @@ +/********************************************************************** +** Copyright (C) 2001 Trolltech AS. All rights reserved. +** +** This file is part of Qt Palmtop Environment. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ +#include "textparser.h" + +TextParser::TextParser(QString in, QString lineBreak) +{ + data = in; + lineSep = lineBreak; + + init(); + createSeparators(); + split(); +} + +TextParser::TextParser(QString in, QString lineBreak, QString sep) +{ + data = in; + lineSep = lineBreak; + + init(); + separators = sep; + split(); +} + +void TextParser::init() +{ + lineCount = 0; + linePos = 0; + totalElmCount = 0; + separatorPos = -1; //not initialized + wordPos = -1; //not initialized + sepAtLine = 0; + sepAtPosElm = -1; //such that nextSep equals 0 + wordAtLine = 0; + wordAtPosElm = -1; //such that nextWord equals 0 + atLine = 0; + atPosElm = 0; +} + +void TextParser::createSeparators() +{ + separators = " @#,.:;<>*/(){}|'?-+=_"; +} + +/* Returns pos of given search criteria, -1 if not found */ +int TextParser::find(QString target, QChar sep, int pos, bool upperCase) +{ + int atLine = 0, atPosElm = 0; + + for (int x = 0; x < totalElmCount; x++) { + if (x >= pos) { + if (upperCase) { + if ((splitDone[atLine].elm[atPosElm].str.upper() == target) && + (splitDone[atLine].elm[atPosElm].separator == sep)) + return x; + } else { + if ((splitDone[atLine].elm[atPosElm].str == target) && + (splitDone[atLine].elm[atPosElm].separator == sep)) + return x; + } + } + atPosElm++; + if (atPosElm >= splitDone[atLine].elmCount) { //new Line + atLine++; + atPosElm = 0; + } + } + + return -1; +} + +int TextParser::elmCount() +{ + return totalElmCount; +} + +QChar TextParser::separatorAt(int pos) +{ + if (getLineReference(pos, &sepAtLine, &sepAtPosElm) == -1) + return QChar::null; + + separatorPos = pos; + return splitDone[sepAtLine].elm[sepAtPosElm].separator; +} + +QChar TextParser::nextSeparator() +{ + sepAtPosElm++; + if (splitDone[sepAtLine].elmCount <= sepAtPosElm) { + sepAtLine++; + sepAtPosElm = 0; + } + + separatorPos++; + return splitDone[sepAtLine].elm[sepAtPosElm].separator; +} + +bool TextParser::hasNextSeparator() +{ + return ((separatorPos+1) < totalElmCount); +} + +QString TextParser::wordAt(int pos) +{ + if (getLineReference(pos, &wordAtLine, &wordAtPosElm) == -1) + return NULL; + + wordPos = pos; + return splitDone[wordAtLine].elm[wordAtPosElm].str; +} + +QString TextParser::nextWord() +{ + wordAtPosElm++; + if (splitDone[wordAtLine].elmCount <= wordAtPosElm) { + wordAtLine++; + wordAtPosElm = 0; + } + + wordPos++; + return splitDone[wordAtLine].elm[wordAtPosElm].str; +} + +bool TextParser::hasNextWord() +{ + return ((wordPos + 1) < totalElmCount); +} + +QString TextParser::getString(int *pos, QChar stop, bool lineEnd = false) +{ + QString returnStr = wordAt(*pos); + QChar chr = separatorAt(*pos); + QString s; + + if (returnStr == "") + return ""; + if (chr == stop) + return returnStr; + + if (!lineEnd) { + while ((chr != stop) && hasNextWord()) { + returnStr.append(chr); + returnStr += nextWord(); + chr = nextSeparator(); + } + } else { //copy from pos to end of line + getLineReference(*pos, &atLine, &atPosElm); + returnStr = ""; + while (atPosElm < splitDone[atLine].elmCount) { + if (splitDone[atLine].elm[atPosElm].str != "") { + returnStr += splitDone[atLine].elm[atPosElm].str; + } + chr = splitDone[atLine].elm[atPosElm].separator; + if (!chr.isNull() && (int) chr != 0) { + returnStr.append(splitDone[atLine].elm[atPosElm].separator); + } + atPosElm++; + } + } + + *pos = wordPos; + return returnStr; +} + +QString TextParser::getNextLine() +{ + atLine++; + atPosElm = 0; + if (atLine < lineCount) + return splitDone[atLine].str; + return ""; +} + +bool TextParser::hasNextLine() +{ + if (atLine+1 < lineCount) + return TRUE;; + return FALSE; +} + +int TextParser::endLinePos(int pos) +{ + if ( (getLineReference(pos, &atLine, &atPosElm)) == -1) + return -1; + + return (pos + (splitDone[atLine].elmCount - atPosElm) + 1); +} + +int TextParser::getLineReference(int pos, int *line, int *inLinePos) +{ + int currentPos = 0; + + for (int x = 0; x < lineCount; x++) { + if ( currentPos + splitDone[x].elmCount > pos) { + *line = x; + *inLinePos = pos - currentPos; + return 0; //pos found okay + } + currentPos += splitDone[x].elmCount; + } + return -1; //no reference found +} + +void TextParser::split() +{ + t_splitLine newLine; + + while ((uint) linePos < data.length()) { + newLine = nextLine(); + splitDone[lineCount] = splitLine(newLine); + totalElmCount += splitDone[lineCount].elmCount; + lineCount++; + } +} + +t_splitLine TextParser::splitLine(t_splitLine line) +{ + uint pos = 0; + uint elmCount = 0; + t_splitLine tempLine = line; + + tempLine.str = line.str.simplifyWhiteSpace(); + tempLine.elm[0].str = ""; + while ( pos < line.str.length() ) { + if ( isSeparator(tempLine.str[pos]) ) { + tempLine.elm[elmCount].separator = tempLine.str[pos]; + elmCount++; + pos++; + while (tempLine.str[pos] == ' ') + pos++; + if (pos > line.str.length()) + elmCount--; + tempLine.elm[elmCount].str = ""; + } else { + if (!tempLine.str[pos].isNull()) + tempLine.elm[elmCount].str += tempLine.str[pos]; + pos++; + } + } + + tempLine.elmCount = elmCount + 1; + return tempLine; +} + +bool TextParser::isSeparator(QChar chr) +{ + for (uint x = 0; x < separators.length(); x++) { + if (chr == separators[x]) + return true; + } + return false; +} + +t_splitLine TextParser::nextLine() +{ + int newLinePos; + t_splitLine lineType; + + newLinePos = data.find(lineSep, linePos); + + lineType.lineType = NewLine; + lineType.str = ""; + + if (newLinePos == -1) { + newLinePos = data.length(); + lineType.lineType = LastLine; + } + + for (int x = linePos; x < newLinePos; x++) + lineType.str += data[x]; + + linePos = newLinePos; + if ((uint) linePos < data.length()) //if not EOF, add length of lineSep + linePos += lineSep.length(); + + return lineType; +} |