forked from nickbnf/glogg
-
-
Notifications
You must be signed in to change notification settings - Fork 215
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Browse files
Browse the repository at this point in the history
Showing
3 changed files
with
208 additions
and
128 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| /* | ||
| * Copyright (C) 2023 -- 2024 Anton Filimonov and other contributors | ||
| * | ||
| * This file is part of klogg. | ||
| * | ||
| * klogg 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 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * klogg 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 klogg. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| #include <QString> | ||
| #include <cstddef> | ||
| #include <qchar.h> | ||
| #include <qglobal.h> | ||
|
|
||
| #if QT_VERSION >= QT_VERSION_CHECK( 5, 10, 0 ) | ||
| #include <QStringView> | ||
| #else | ||
| #include <QStringRef> | ||
| #endif | ||
|
|
||
| #include "containers.h" | ||
| #include "linetypes.h" | ||
|
|
||
| class WrappedString { | ||
| public: | ||
| #if QT_VERSION >= QT_VERSION_CHECK( 5, 10, 0 ) | ||
| using WrappedStringPart = QStringView; | ||
| #else | ||
| using WrappedStringPart = QStringRef; | ||
| #endif | ||
|
|
||
| static WrappedStringPart makeWrappedStringPart(const QString& lineText, | ||
| LineColumn firstCol, LineLength length ) { | ||
| #if QT_VERSION >= QT_VERSION_CHECK( 5, 10, 0 ) | ||
| return QStringView( lineText ).mid( firstCol.get(), length.get() ); | ||
| #else | ||
| return QStringRef( &lineText ).mid( firstCol.get(), length.get() ); | ||
| #endif | ||
| } | ||
|
|
||
| explicit WrappedString( QString longLine, LineLength visibleColumns ) | ||
| { | ||
| unwrappedLine_ = longLine; | ||
| if ( longLine.isEmpty() ) { | ||
| wrappedLines_.push_back( WrappedStringPart{} ); | ||
| } | ||
| else { | ||
| #if QT_VERSION >= QT_VERSION_CHECK( 5, 10, 0 ) | ||
| WrappedStringPart lineToWrap( longLine ); | ||
| #else | ||
| WrappedStringPart lineToWrap( &longLine ); | ||
| #endif | ||
| while ( lineToWrap.size() > visibleColumns.get() ) { | ||
| WrappedStringPart stringToWrap = lineToWrap.left( visibleColumns.get() ); | ||
| auto lastSpaceIt = std::find_if( stringToWrap.rbegin(), stringToWrap.rend(), | ||
| []( QChar c ) { return c.isSpace(); } ); | ||
| if ( lastSpaceIt == stringToWrap.rend() ) { | ||
| wrappedLines_.push_back( lineToWrap.left( visibleColumns.get() ) ); | ||
| lineToWrap = lineToWrap.mid( visibleColumns.get() ); | ||
| } | ||
| else { | ||
| auto spacePos = std::distance( stringToWrap.begin(), lastSpaceIt.base() ); | ||
| wrappedLines_.push_back( lineToWrap.left( spacePos ) ); | ||
| lineToWrap = lineToWrap.mid( spacePos ); | ||
| } | ||
| } | ||
| if ( lineToWrap.size() > 0 ) { | ||
| wrappedLines_.push_back( lineToWrap ); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| size_t wrappedLinesCount() const | ||
| { | ||
| return wrappedLines_.size(); | ||
| } | ||
|
|
||
| klogg::vector<WrappedStringPart> mid( LineColumn start, LineLength length ) const | ||
| { | ||
| auto getLength = []( const auto& view ) -> LineLength::UnderlyingType { | ||
| return type_safe::narrow_cast<LineLength::UnderlyingType>( view.size() ); | ||
| }; | ||
|
|
||
| klogg::vector<WrappedStringPart> resultChunks; | ||
| if ( wrappedLines_.size() == 1 ) { | ||
| auto& wrappedLine = wrappedLines_.front(); | ||
| auto len = std::min( length.get(), getLength( wrappedLine ) - start.get() ); | ||
| resultChunks.push_back( wrappedLine.mid( start.get(), ( len > 0 ? len : 0 ) ) ); | ||
| return resultChunks; | ||
| } | ||
|
|
||
| size_t wrappedLineIndex = 0; | ||
| auto positionInWrappedLine = start.get(); | ||
| while ( positionInWrappedLine > getLength( wrappedLines_[ wrappedLineIndex ] ) ) { | ||
| positionInWrappedLine -= getLength( wrappedLines_[ wrappedLineIndex ] ); | ||
| wrappedLineIndex++; | ||
| if ( wrappedLineIndex >= wrappedLines_.size() ) { | ||
| return resultChunks; | ||
| } | ||
| } | ||
|
|
||
| auto chunkLength = length.get(); | ||
| while ( positionInWrappedLine + chunkLength | ||
| > getLength( wrappedLines_[ wrappedLineIndex ] ) ) { | ||
| resultChunks.push_back( | ||
| wrappedLines_[ wrappedLineIndex ].mid( positionInWrappedLine ) ); | ||
| wrappedLineIndex++; | ||
| positionInWrappedLine = 0; | ||
| chunkLength -= getLength( resultChunks.back() ); | ||
| if ( wrappedLineIndex >= wrappedLines_.size() ) { | ||
| return resultChunks; | ||
| } | ||
| } | ||
|
|
||
| if ( chunkLength > 0 ) { | ||
| auto& wrappedLine = wrappedLines_[ wrappedLineIndex ]; | ||
| auto len = std::min( chunkLength, getLength( wrappedLine ) - positionInWrappedLine ); | ||
| resultChunks.push_back( | ||
| wrappedLine.mid( positionInWrappedLine, ( len > 0 ? len : 0 ) ) ); | ||
| } | ||
|
|
||
| return resultChunks; | ||
| } | ||
|
|
||
| bool isEmpty() const | ||
| { | ||
| return unwrappedLine_.isEmpty(); | ||
| } | ||
|
|
||
| WrappedStringPart unwrappedLine() const { | ||
| return WrappedStringPart{unwrappedLine_}; | ||
| } | ||
|
|
||
| WrappedStringPart wrappedLine(size_t index) const { | ||
| return wrappedLines_[index]; | ||
| } | ||
|
|
||
| private: | ||
| klogg::vector<WrappedStringPart> wrappedLines_; | ||
| QString unwrappedLine_; | ||
| }; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters