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/**************************************************************************
* *
* Regina - A Normal Surface Theory Calculator *
* Qt User Interface *
* *
* Copyright (c) 1999-2025, Ben Burton *
* For further details contact Ben Burton (bab@debian.org). *
* *
* This file is modified from the KDE syntax-highlighting framework, *
* which is copyright (C) 2016 Volker Krause <vkrause@kde.org> *
* and is distributed under the GNU Library General Public License as *
* published by the Free Software Foundation; either version 2 of the *
* License, or (at your option) any later version. *
* *
* 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. *
* *
* As an exception, when this program is distributed through (i) the *
* App Store by Apple Inc.; (ii) the Mac App Store by Apple Inc.; or *
* (iii) Google Play by Google Inc., then that store may impose any *
* digital rights management, device limits and/or redistribution *
* restrictions that are required by its terms of service. *
* *
* 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, see <https://www.gnu.org/licenses/>. *
* *
**************************************************************************/
#include "syntax/themedata_p.h"
#ifdef USE_JANSSON
#include <jansson.h>
#endif
#include <cassert>
#include <cstring>
#include <iostream>
namespace regina::syntax {
ThemeData* ThemeData::get(const Theme &theme)
{
return theme.m_data.get();
}
ThemeData::ThemeData()
: m_revision(0)
, m_readOnly(true)
{
memset(m_editorColors, 0, sizeof(m_editorColors));
}
#ifdef USE_JANSSON
/**
* Convert JSON object @p val into a color, if possible. Valid colors are only
* in hex format: #rrggbb or #aarrggbb. On error, returns 0x00000000.
*/
static inline unsigned readColor(json_t* val)
{
const char* str = json_string_value(val);
if (! (str && *str == '#'))
return 0;
return static_cast<unsigned>(strtoul(str + 1, 0, 16));
}
static inline void readString(json_t* val, std::string& result)
{
const char* str = json_string_value(val);
if (str)
result = str;
else
result.clear();
}
static void readThemeData(json_t* obj, TextStyleData& dest)
{
dest.textColor = readColor(json_object_get(obj, "text-color"));
dest.backgroundColor = readColor(json_object_get(obj, "background-color"));
dest.selectedTextColor = readColor(json_object_get(obj, "selected-text-color"));
dest.selectedBackgroundColor = readColor(json_object_get(obj, "selected-background-color"));
json_t* val = json_object_get(obj, "bold");
if (json_is_boolean(val)) {
dest.bold = json_is_true(val);
dest.hasBold = true;
}
val = json_object_get(obj, "italic");
if (json_is_boolean(val)) {
dest.italic = json_is_true(val);
dest.hasItalic = true;
}
val = json_object_get(obj, "underline");
if (json_is_boolean(val)) {
dest.underline = json_is_true(val);
dest.hasUnderline = true;
}
val = json_object_get(obj, "strike-through");
if (json_is_boolean(val)) {
dest.strikeThrough = json_is_true(val);
dest.hasStrikeThrough = true;
}
}
bool ThemeData::load(const std::string& filePath)
{
m_filePath = filePath.c_str();
json_error_t error;
json_t* obj = json_load_file(filePath.c_str(), 0, &error);
if (! obj) {
std::cerr << "Failed to parse theme file " << filePath << std::endl;
std::cerr << "Error on line " << error.line << ": " << error.text << std::endl;
return false;
}
// read metadata
json_t* metadata = json_object_get(obj, "metadata");
readString(json_object_get(metadata, "name"), m_name);
m_revision = json_integer_value(json_object_get(metadata, "revision"));
readString(json_object_get(metadata, "author"), m_author);
readString(json_object_get(metadata, "license"), m_license);
m_readOnly = json_is_true(json_object_get(metadata, "read-only"));
// read text styles
json_t* textStyles = json_object_get(obj, "text-styles");
readThemeData(json_object_get(textStyles, "Normal"), m_textStyles[Theme::Normal]);
readThemeData(json_object_get(textStyles, "Keyword"), m_textStyles[Theme::Keyword]);
readThemeData(json_object_get(textStyles, "Function"), m_textStyles[Theme::Function]);
readThemeData(json_object_get(textStyles, "Variable"), m_textStyles[Theme::Variable]);
readThemeData(json_object_get(textStyles, "ControlFlow"), m_textStyles[Theme::ControlFlow]);
readThemeData(json_object_get(textStyles, "Operator"), m_textStyles[Theme::Operator]);
readThemeData(json_object_get(textStyles, "BuiltIn"), m_textStyles[Theme::BuiltIn]);
readThemeData(json_object_get(textStyles, "Extension"), m_textStyles[Theme::Extension]);
readThemeData(json_object_get(textStyles, "Preprocessor"), m_textStyles[Theme::Preprocessor]);
readThemeData(json_object_get(textStyles, "Attribute"), m_textStyles[Theme::Attribute]);
readThemeData(json_object_get(textStyles, "Char"), m_textStyles[Theme::Char]);
readThemeData(json_object_get(textStyles, "SpecialChar"), m_textStyles[Theme::SpecialChar]);
readThemeData(json_object_get(textStyles, "String"), m_textStyles[Theme::String]);
readThemeData(json_object_get(textStyles, "VerbatimString"), m_textStyles[Theme::VerbatimString]);
readThemeData(json_object_get(textStyles, "SpecialString"), m_textStyles[Theme::SpecialString]);
readThemeData(json_object_get(textStyles, "Import"), m_textStyles[Theme::Import]);
readThemeData(json_object_get(textStyles, "DataType"), m_textStyles[Theme::DataType]);
readThemeData(json_object_get(textStyles, "DecVal"), m_textStyles[Theme::DecVal]);
readThemeData(json_object_get(textStyles, "BaseN"), m_textStyles[Theme::BaseN]);
readThemeData(json_object_get(textStyles, "Float"), m_textStyles[Theme::Float]);
readThemeData(json_object_get(textStyles, "Constant"), m_textStyles[Theme::Constant]);
readThemeData(json_object_get(textStyles, "Comment"), m_textStyles[Theme::Comment]);
// read editor area colors
json_t* editorColors = json_object_get(obj, "editor-colors");
m_editorColors[Theme::BackgroundColor] = readColor(json_object_get(editorColors, "background-color"));
m_editorColors[Theme::TextSelection] = readColor(json_object_get(editorColors, "selection"));
m_editorColors[Theme::CurrentLine] = readColor(json_object_get(editorColors, "current-line"));
m_editorColors[Theme::SearchHighlight] = readColor(json_object_get(editorColors, "search-highlight"));
m_editorColors[Theme::ReplaceHighlight] = readColor(json_object_get(editorColors, "replace-highlight"));
m_editorColors[Theme::BracketMatching] = readColor(json_object_get(editorColors, "bracket-matching"));
m_editorColors[Theme::TabMarker] = readColor(json_object_get(editorColors, "tab-marker"));
m_editorColors[Theme::SpellChecking] = readColor(json_object_get(editorColors, "spell-checking"));
m_editorColors[Theme::IndentationLine] = readColor(json_object_get(editorColors, "indentation-line"));
m_editorColors[Theme::IconBorder] = readColor(json_object_get(editorColors, "icon-border"));
m_editorColors[Theme::LineNumbers] = readColor(json_object_get(editorColors, "line-numbers"));
m_editorColors[Theme::CurrentLineNumber] = readColor(json_object_get(editorColors, "current-line-number"));
m_editorColors[Theme::WordWrapMarker] = readColor(json_object_get(editorColors, "word-wrap-marker"));
m_editorColors[Theme::ModifiedLines] = readColor(json_object_get(editorColors, "modified-lines"));
m_editorColors[Theme::SavedLines] = readColor(json_object_get(editorColors, "saved-lines"));
m_editorColors[Theme::Separator] = readColor(json_object_get(editorColors, "separator"));
m_editorColors[Theme::MarkBookmark] = readColor(json_object_get(editorColors, "mark-bookmark"));
m_editorColors[Theme::MarkBreakpointActive] = readColor(json_object_get(editorColors, "mark-breakpoint-active"));
m_editorColors[Theme::MarkBreakpointReached] = readColor(json_object_get(editorColors, "mark-breakpoint-reached"));
m_editorColors[Theme::MarkBreakpointDisabled] = readColor(json_object_get(editorColors, "mark-breakpoint-disabled"));
m_editorColors[Theme::MarkExecution] = readColor(json_object_get(editorColors, "mark-execution"));
m_editorColors[Theme::MarkWarning] = readColor(json_object_get(editorColors, "mark-warning"));
m_editorColors[Theme::MarkError] = readColor(json_object_get(editorColors, "mark-error"));
m_editorColors[Theme::TemplateBackground] = readColor(json_object_get(editorColors, "template-background"));
m_editorColors[Theme::TemplatePlaceholder] = readColor(json_object_get(editorColors, "template-placeholder"));
m_editorColors[Theme::TemplateFocusedPlaceholder] = readColor(json_object_get(editorColors, "template-focused-placeholder"));
m_editorColors[Theme::TemplateReadOnlyPlaceholder] = readColor(json_object_get(editorColors, "template-read-only-placeholder"));
json_decref(obj);
return true;
}
#endif
const std::string& ThemeData::name() const
{
return m_name;
}
long long ThemeData::revision() const
{
return m_revision;
}
bool ThemeData::isReadOnly() const
{
return m_readOnly;
}
const std::string& ThemeData::filePath() const
{
return m_filePath;
}
unsigned ThemeData::textColor(Theme::TextStyle style) const
{
assert(static_cast<int>(style) >= 0 && static_cast<int>(style) <= static_cast<int>(Theme::Others));
return m_textStyles[style].textColor;
}
unsigned ThemeData::selectedTextColor(Theme::TextStyle style) const
{
assert(static_cast<int>(style) >= 0 && static_cast<int>(style) <= static_cast<int>(Theme::Others));
return m_textStyles[style].selectedTextColor;
}
unsigned ThemeData::backgroundColor(Theme::TextStyle style) const
{
assert(static_cast<int>(style) >= 0 && static_cast<int>(style) <= static_cast<int>(Theme::Others));
return m_textStyles[style].backgroundColor;
}
unsigned ThemeData::selectedBackgroundColor(Theme::TextStyle style) const
{
assert(static_cast<int>(style) >= 0 && static_cast<int>(style) <= static_cast<int>(Theme::Others));
return m_textStyles[style].selectedBackgroundColor;
}
bool ThemeData::isBold(Theme::TextStyle style) const
{
assert(static_cast<int>(style) >= 0 && static_cast<int>(style) <= static_cast<int>(Theme::Others));
return m_textStyles[style].bold;
}
bool ThemeData::isItalic(Theme::TextStyle style) const
{
assert(static_cast<int>(style) >= 0 && static_cast<int>(style) <= static_cast<int>(Theme::Others));
return m_textStyles[style].italic;
}
bool ThemeData::isUnderline(Theme::TextStyle style) const
{
assert(static_cast<int>(style) >= 0 && static_cast<int>(style) <= static_cast<int>(Theme::Others));
return m_textStyles[style].underline;
}
bool ThemeData::isStrikeThrough(Theme::TextStyle style) const
{
assert(static_cast<int>(style) >= 0 && static_cast<int>(style) <= static_cast<int>(Theme::Others));
return m_textStyles[style].strikeThrough;
}
unsigned ThemeData::editorColor(Theme::EditorColorRole role) const
{
assert(static_cast<int>(role) >= 0 && static_cast<int>(role) <= static_cast<int>(Theme::TemplateReadOnlyPlaceholder));
return m_editorColors[role];
}
} // namespace regina::syntax
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