Diffstat (limited to 'noncore/apps/tinykate/libkate/document/katecmds.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/apps/tinykate/libkate/document/katecmds.cpp | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/noncore/apps/tinykate/libkate/document/katecmds.cpp b/noncore/apps/tinykate/libkate/document/katecmds.cpp new file mode 100644 index 0000000..3647853 --- a/dev/null +++ b/noncore/apps/tinykate/libkate/document/katecmds.cpp @@ -0,0 +1,278 @@ +/*************************************************************************** + katecmds.cpp - description + ------------------- + copyright : (C) 2001 by The Kate Team + (C) 2002 by Joseph Wenninger + email : kwrite-devel@kde.org + jowenn@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. * + * * + ***************************************************************************/ +#include "katecmds.h" +#include <qregexp.h> +#include <qregexp3.h> +#include <qdatetime.h> +#include "katedocument.h" +#include <kdebug.h> + +namespace KateCommands +{ + + +bool InsertTime::execCmd(QString cmd, KateView *view) +{ + if (cmd.left(5) == "time") + { + view->insertText(QTime::currentTime().toString()); + return true; + } + + return false; +} + +static void replace(QString &s, const QString &needle, const QString &with) +{ + int pos=0; + while (1) + { + pos=s.find(needle, pos); + if (pos==-1) break; + s.replace(pos, needle.length(), with); + pos+=with.length(); + } + +} + +// stolen from QString::replace +static void replace(QString &s, QRegExp3 &rx, const QString &with) +{ + if (s.isEmpty()) return; + int index = 0; + int slen = with.length(); + int len; + while (index < (int)s.length()) + { + index = rx.search(s, index); + len = rx.matchedLength(); + if ( index >= 0 ) + { + s.replace(index, len, with); + index += slen; + if (!len) + break; // Avoid infinite loop on 0-length matches, e.g. [a-z]* + } + else + break; + } +} + + + +static int backslashString(const QString &haystack, const QString &needle, int index) +{ + int len=haystack.length(); + int searchlen=needle.length(); + bool evenCount=true; + while (index<len) + { + if (haystack[index]=='\\') + { + evenCount=!evenCount; + } + else + { // isn't a slash + if (!evenCount) + { + if (haystack.mid(index, searchlen)==needle) + return index-1; + } + evenCount=true; + } + index++; + + } + + return -1; +} + + +// exchange "\t" for the actual tab character, for example +static void exchangeAbbrevs(QString &str) +{ + // the format is (findreplace)*[nullzero] + char *magic="a\x07t\t"; + + while (*magic) + { + int index=0; + char replace=magic[1]; + while ((index=backslashString(str, QChar(*magic), index))!=-1) + { + str.replace(index, 2, QChar(replace)); + index++; + } + magic++; + magic++; + } +} + +QString SedReplace::sedMagic(QString textLine, QString find, QString rep, bool noCase, bool repeat) +{ + QRegExp3 matcher(find, noCase); + + int start=0; + while (start!=-1) + { + start=matcher.search(textLine, start); + + if (start==-1) break; + + int length=matcher.matchedLength(); + + + // now set the backreferences in the replacement + QStringList backrefs=matcher.capturedTexts(); + int refnum=1; + + QStringList::Iterator i = backrefs.begin(); + ++i; + + for (; i!=backrefs.end(); ++i) + { + // I need to match "\\" or "", but not "\" + QString number=QString::number(refnum); + + int index=0; + while (index!=-1) + { + index=backslashString(rep, number, index); + if (index>=0) + { + rep.replace(index, 2, *i); + index+=(*i).length(); + } + } + + refnum++; + } + + textLine.replace(start, length, rep); + if (!repeat) break; + start+=rep.length(); + } + + replace(textLine, "\\\\", "\\"); + replace(textLine, "\\/", "/"); + + return textLine; +} + + +static void setLineText(KateView *view, int line, const QString &text) +{ +// view->doc()->removeLine(line); +// view->doc()->insertLine(text, line); + view->doc()->replaceLine(text,line); +} + +bool SedReplace::execCmd(QString cmd, KateView *view) +{ + kdDebug(13010)<<"SedReplace::execCmd()"<<endl; + if (QRegExp("[$%]?s/.+/.*/[ig]*").find(cmd, 0)==-1) + return false; + + bool fullFile=cmd[0]=='%'; + bool noCase=cmd[cmd.length()-1]=='i' || cmd[cmd.length()-2]=='i'; + bool repeat=cmd[cmd.length()-1]=='g' || cmd[cmd.length()-2]=='g'; + bool onlySelect=cmd[0]=='$'; + + QRegExp3 splitter("^[$%]?s/((?:[^\\\\/]|\\\\[\\\\/\\$0-9tadDsSwW])*)/((?:[^\\\\/]|\\\\[\\\\/\\$0-9tadDsSwW])*)/[ig]*$"); + if (splitter.search(cmd)<0) return false; + + QString find=splitter.cap(1); + kdDebug(13010)<< "SedReplace: find=" << find.latin1() <<endl; + + QString replace=splitter.cap(2); + exchangeAbbrevs(replace); + kdDebug(13010)<< "SedReplace: replace=" << replace.latin1() <<endl; + + + if (fullFile) + { + int numLines=view->doc()->numLines(); + for (int line=0; line < numLines; line++) + { + QString text=view->textLine(line); + text=sedMagic(text, find, replace, noCase, repeat); + setLineText(view, line, text); + } + } + else if (onlySelect) + { + // Not implemented + } + else + { // just this line + QString textLine=view->currentTextLine(); + int line=view->currentLine(); + textLine=sedMagic(textLine, find, replace, noCase, repeat); + setLineText(view, line, textLine); + } + return true; +} + +bool Character::execCmd(QString cmd, KateView *view) +{ + // hex, octal, base 9+1 + QRegExp3 num("^char: *(0?x[0-9A-Fa-f]{1,4}|0[0-7]{1,6}|[0-9]{1,3})$"); + if (num.search(cmd)==-1) return false; + + cmd=num.cap(1); + + // identify the base + + unsigned short int number=0; + int base=10; + if (cmd[0]=='x' || cmd.left(2)=="0x") + { + cmd.replace(QRegExp("^0?x"), ""); + base=16; + } + else if (cmd[0]=='0') + base=8; + bool ok; + number=cmd.toUShort(&ok, base); + if (!ok || number==0) return false; + if (number<=255) + { + char buf[2]; + buf[0]=(char)number; + buf[1]=0; + view->insertText(QString(buf)); + } + else + { // do the unicode thing + QChar c(number); + view->insertText(QString(&c, 1)); + } + + return true; +} + +bool Fifo::execCmd(QString cmd, KateView *view) +{ + +} + +} + +// vim: noet + |