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Diffstat (limited to 'src/kvilib/ext/KviCommandFormatter.cpp')
| -rw-r--r-- | src/kvilib/ext/KviCommandFormatter.cpp | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/kvilib/ext/KviCommandFormatter.cpp b/src/kvilib/ext/KviCommandFormatter.cpp new file mode 100644 index 000000000..f474053fc --- /dev/null +++ b/src/kvilib/ext/KviCommandFormatter.cpp @@ -0,0 +1,220 @@ +//============================================================================= +// +// File : KviCommandFormatter.cpp +// Creation date : Tue Jun 12 2001 03:08:12 CEST by Szymon Stefanek +// +// This file is part of the KVirc irc client distribution +// Copyright (C) 2001-2010 Szymon Stefanek (pragma at kvirc dot net) +// +// 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 opinion) any later version. +// +// This program is distributed in the HOPE that it will be USEFUL, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +// See the GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, write to the Free Software Foundation, +// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +// +//============================================================================= + + +#include "KviCommandFormatter.h" + +namespace KviCommandFormatter +{ + bool hasLeadingChars(KviCString ** array,char c) + { + if(!(*array))return false; // can't have more leading chars + bool bGotIt = false; + while(*array) + { + if(*((*array)->ptr()) == c) + { + // found at least one such leading char + bGotIt = true; + } else { + // we pretend this line to be empty + KviCString tmp = *(*array); + tmp.trimmed(); + if(tmp.hasData())return false; + *(*array) = ""; // set it to empty also in the main buffer + } + array++; + } + return bGotIt; + } + + bool hasLeadingChars(QStringList &list,const QChar &c) + { + bool bGotIt = false; + for(QStringList::Iterator it = list.begin();it != list.end();++it) + { + if((*it).length() < 1)continue; + if((*it).at(0) == c) + { + // found at least one such leading char + bGotIt = true; + } else { + // we pretend this line to be empty + QString tmp = *it; + tmp = tmp.trimmed(); + + if(!tmp.isEmpty())return false; + *it = ""; // set it to empty also in the main buffer + } + } + return bGotIt; + } + + void trimLeading(KviCString ** array) + { + while(*array) + { + if((*array)->hasData())(*array)->cutLeft(1); + array++; + } + } + + void trimLeading(QStringList &list) + { + for(QStringList::Iterator it = list.begin();it != list.end();++it) + { + (*it).remove(0,1); + } + } + + + void addLeading(KviCString ** array,char c) + { + while(*array) + { + if((*array)->hasData())(*array)->prepend(c); + array++; + } + } + + void addLeading(QStringList &list,const QChar & c) + { + for(QStringList::Iterator it = list.begin();it != list.end();++it) + { + (*it).prepend(c); + } + } + + + void unindent(KviCString &buffer) + { + // we can format correctly up to 65536 lines (that's really enough) + int realLen; + KviCString ** array = buffer.splitToArray('\n',65536,&realLen); + if(array) + { + while(hasLeadingChars(array,'\t') || hasLeadingChars(array,' '))trimLeading(array); + buffer.joinFromArray(array,"\n",true); + KviCString::freeArray(array); + } + } + + + void unindent(QString &buffer) + { + QStringList list = buffer.split("\n",QString::KeepEmptyParts); + + while(hasLeadingChars(list,QChar('\t')) || hasLeadingChars(list,QChar(' ')))trimLeading(list); + //buffer = list.join("\n"); join implementation sux :D + // we WANT the last newline + buffer = ""; + for(QStringList::Iterator it = list.begin();it != list.end();++it) + { + buffer.append(*it); + buffer.append(QChar('\n')); + } + } + + void bufferFromBlock(KviCString &buffer) + { + buffer.trimmed(); + + if((*(buffer.ptr()) == '{') && buffer.lastCharIs('}')) + { + // leading and trailing { must be stripped + buffer.cutLeft(1); + buffer.cutRight(1); + } + + unindent(buffer); + + buffer.trimmed(); + } + + void bufferFromBlock(QString &buffer) + { + buffer = buffer.trimmed(); + + if(buffer.isEmpty())return; + + if((buffer.at(0) == QChar('{')) && buffer.endsWith(QChar('}'))) + { + buffer.remove(0,1); + buffer.remove(buffer.length() - 1,1); + while((buffer.length() > 0) && ((buffer.at(0) == QChar('\n')) || (buffer.at(0) == QChar('\r')))) + buffer.remove(0,1); + } + + unindent(buffer); + buffer = buffer.trimmed(); + } + + void indent(KviCString &buffer) + { + // we can format correctly up to 65536 lines (that's really enough) + int realLen; + KviCString ** array = buffer.splitToArray('\n',65536,&realLen); + if(array) + { + addLeading(array,'\t'); + buffer.joinFromArray(array,"\n",true); + KviCString::freeArray(array); + } + } + + void indent(QString &buffer) + { + QStringList list = buffer.split("\n",QString::KeepEmptyParts); + + addLeading(list,QChar('\t')); + //buffer = list.join("\n"); join implementation sux :D + // we WANT the last newline + buffer = ""; + for(QStringList::Iterator it = list.begin();it != list.end();++it) + { + buffer.append(*it); + buffer.append(QChar('\n')); + } + } + + void blockFromBuffer(KviCString &buffer) + { + indent(buffer); + buffer.prepend("{\n"); + buffer.stripRightWhiteSpace(); + buffer.ensureLastCharIs('\n'); + buffer.append("}\n"); + } + + void blockFromBuffer(QString &buffer) + { + indent(buffer); + buffer.prepend("{\n"); + KviQString::stripRightWhiteSpace(buffer); + KviQString::ensureLastCharIs(buffer,'\n'); + buffer.append("}\n"); + } +} + +// FIXME: #warning "move popups and events to this formatting stuff!" |