tdesktop/Telegram/SourceFiles/codegen/style/generator.cpp

1342 lines
38 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop 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.
It 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.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#include "codegen/style/generator.h"
#include <memory>
#include <functional>
#include <QtCore/QDir>
#include <QtCore/QSet>
#include <QtCore/QBuffer>
#include <QtGui/QImage>
#include <QtGui/QPainter>
#include "codegen/style/parsed_file.h"
using Module = codegen::style::structure::Module;
using Struct = codegen::style::structure::Struct;
using Variable = codegen::style::structure::Variable;
using Tag = codegen::style::structure::TypeTag;
namespace codegen {
namespace style {
namespace {
constexpr int kErrorBadIconSize = 861;
constexpr int kErrorBadIconFormat = 862;
// crc32 hash, taken somewhere from the internet
class Crc32Table {
public:
Crc32Table() {
quint32 poly = 0x04c11db7;
for (auto i = 0; i != 256; ++i) {
_data[i] = reflect(i, 8) << 24;
for (auto j = 0; j != 8; ++j) {
_data[i] = (_data[i] << 1) ^ (_data[i] & (1 << 31) ? poly : 0);
}
_data[i] = reflect(_data[i], 32);
}
}
inline quint32 operator[](int index) const {
return _data[index];
}
private:
quint32 reflect(quint32 val, char ch) {
quint32 result = 0;
for (int i = 1; i < (ch + 1); ++i) {
if (val & 1) {
result |= 1 << (ch - i);
}
val >>= 1;
}
return result;
}
quint32 _data[256];
};
qint32 hashCrc32(const void *data, int len) {
static Crc32Table table;
const uchar *buffer = static_cast<const uchar *>(data);
quint32 crc = 0xffffffff;
for (int i = 0; i != len; ++i) {
crc = (crc >> 8) ^ table[(crc & 0xFF) ^ buffer[i]];
}
return static_cast<qint32>(crc ^ 0xffffffff);
}
char hexChar(uchar ch) {
if (ch < 10) {
return '0' + ch;
} else if (ch < 16) {
return 'a' + (ch - 10);
}
return '0';
}
char hexSecondChar(char ch) {
return hexChar((*reinterpret_cast<uchar*>(&ch)) & 0x0F);
}
char hexFirstChar(char ch) {
return hexChar((*reinterpret_cast<uchar*>(&ch)) >> 4);
}
QString stringToEncodedString(const QString &str) {
QString result, lineBreak = "\\\n";
result.reserve(str.size() * 8);
bool writingHexEscapedCharacters = false, startOnNewLine = false;
int lastCutSize = 0;
auto utf = str.toUtf8();
for (auto ch : utf) {
if (result.size() - lastCutSize > 80) {
startOnNewLine = true;
result.append(lineBreak);
lastCutSize = result.size();
}
if (ch == '\n') {
writingHexEscapedCharacters = false;
result.append("\\n");
} else if (ch == '\t') {
writingHexEscapedCharacters = false;
result.append("\\t");
} else if (ch == '"' || ch == '\\') {
writingHexEscapedCharacters = false;
result.append('\\').append(ch);
} else if (ch < 32 || static_cast<uchar>(ch) > 127) {
writingHexEscapedCharacters = true;
result.append("\\x").append(hexFirstChar(ch)).append(hexSecondChar(ch));
} else {
if (writingHexEscapedCharacters) {
writingHexEscapedCharacters = false;
result.append("\"\"");
}
result.append(ch);
}
}
return '"' + (startOnNewLine ? lineBreak : QString()) + result + '"';
}
QString stringToEncodedString(const std::string &str) {
return stringToEncodedString(QString::fromStdString(str));
}
QString stringToBinaryArray(const std::string &str) {
QStringList rows, chars;
chars.reserve(13);
rows.reserve(1 + (str.size() / 13));
for (uchar ch : str) {
if (chars.size() > 12) {
rows.push_back(chars.join(", "));
chars.clear();
}
chars.push_back(QString("0x") + hexFirstChar(ch) + hexSecondChar(ch));
}
if (!chars.isEmpty()) {
rows.push_back(chars.join(", "));
}
return QString("{") + ((rows.size() > 1) ? '\n' : ' ') + rows.join(",\n") + " }";
}
QString pxValueName(int value) {
QString result = "px";
if (value < 0) {
value = -value;
result += 'm';
}
return result + QString::number(value);
}
QString moduleBaseName(const structure::Module &module) {
auto moduleInfo = QFileInfo(module.filepath());
auto moduleIsPalette = (moduleInfo.suffix() == "palette");
return moduleIsPalette ? "palette" : "style_" + moduleInfo.baseName();
}
QString colorFallbackName(structure::Value value) {
auto copy = value.copyOf();
if (!copy.isEmpty()) {
return copy.back();
}
return value.Color().fallback;
}
QChar paletteColorPart(uchar part) {
part = (part & 0x0F);
if (part >= 10) {
return 'a' + (part - 10);
}
return '0' + part;
}
QString paletteColorComponent(uchar value) {
return QString() + paletteColorPart(value >> 4) + paletteColorPart(value);
}
QString paletteColorValue(const structure::data::color &value) {
auto result = paletteColorComponent(value.red) + paletteColorComponent(value.green) + paletteColorComponent(value.blue);
if (value.alpha != 255) result += paletteColorComponent(value.alpha);
return result;
}
} // namespace
Generator::Generator(const structure::Module &module, const QString &destBasePath, const common::ProjectInfo &project, bool isPalette)
: module_(module)
, basePath_(destBasePath)
, baseName_(QFileInfo(basePath_).baseName())
, project_(project)
, isPalette_(isPalette) {
}
bool Generator::writeHeader() {
header_ = std::make_unique<common::CppFile>(basePath_ + ".h", project_);
header_->include("ui/style/style_core.h").newline();
if (!writeHeaderStyleNamespace()) {
return false;
}
if (!writeRefsDeclarations()) {
return false;
}
return header_->finalize();
}
bool Generator::writeSource() {
source_ = std::make_unique<common::CppFile>(basePath_ + ".cpp", project_);
writeIncludesInSource();
if (module_.hasVariables()) {
source_->pushNamespace().newline();
source_->stream() << "\
bool inited = false;\n\
\n\
class Module_" << baseName_ << " : public style::internal::ModuleBase {\n\
public:\n\
Module_" << baseName_ << "() { style::internal::registerModule(this); }\n\
~Module_" << baseName_ << "() { style::internal::unregisterModule(this); }\n\
\n\
void start() override {\n\
style::internal::init_" << baseName_ << "();\n\
}\n\
void stop() override {\n\
}\n\
};\n\
Module_" << baseName_ << " registrator;\n";
if (isPalette_) {
source_->newline();
source_->stream() << "style::palette _palette;\n";
} else {
if (!writeVariableDefinitions()) {
return false;
}
}
source_->newline().popNamespace();
source_->newline().pushNamespace("st");
if (!writeRefsDefinition()) {
return false;
}
source_->popNamespace().newline().pushNamespace("style");
if (isPalette_) {
writeSetPaletteColor();
}
source_->pushNamespace("internal").newline();
if (!writeVariableInit()) {
return false;
}
}
return source_->finalize();
}
// Empty result means an error.
QString Generator::typeToString(structure::Type type) const {
switch (type.tag) {
case Tag::Invalid: return QString();
case Tag::Int: return "int";
case Tag::Double: return "double";
case Tag::Pixels: return "int";
case Tag::String: return "QString";
case Tag::Color: return "style::color";
case Tag::Point: return "style::point";
case Tag::Size: return "style::size";
case Tag::Align: return "style::align";
case Tag::Margins: return "style::margins";
case Tag::Font: return "style::font";
case Tag::Icon: return "style::icon";
case Tag::Struct: return "style::" + type.name.back();
}
return QString();
}
// Empty result means an error.
QString Generator::typeToDefaultValue(structure::Type type) const {
switch (type.tag) {
case Tag::Invalid: return QString();
case Tag::Int: return "0";
case Tag::Double: return "0.";
case Tag::Pixels: return "0";
case Tag::String: return "QString()";
case Tag::Color: return "{ Qt::Uninitialized }";
case Tag::Point: return "{ 0, 0 }";
case Tag::Size: return "{ 0, 0 }";
case Tag::Align: return "style::al_topleft";
case Tag::Margins: return "{ 0, 0, 0, 0 }";
case Tag::Font: return "{ Qt::Uninitialized }";
case Tag::Icon: return "{ Qt::Uninitialized }";
case Tag::Struct: {
if (auto realType = module_.findStruct(type.name)) {
QStringList fields;
for (auto field : realType->fields) {
fields.push_back(typeToDefaultValue(field.type));
}
return "{ " + fields.join(", ") + " }";
}
return QString();
} break;
}
return QString();
}
// Empty result means an error.
QString Generator::valueAssignmentCode(structure::Value value) const {
auto copy = value.copyOf();
if (!copy.isEmpty()) {
return "st::" + copy.back();
}
switch (value.type().tag) {
case Tag::Invalid: return QString();
case Tag::Int: return QString("%1").arg(value.Int());
case Tag::Double: return QString("%1").arg(value.Double());
case Tag::Pixels: return pxValueName(value.Int());
case Tag::String: return QString("QString::fromUtf8(%1)").arg(stringToEncodedString(value.String()));
case Tag::Color: {
auto v(value.Color());
if (v.red == v.green && v.red == v.blue && v.red == 0 && v.alpha == 255) {
return QString("st::windowFg");
} else if (v.red == v.green && v.red == v.blue && v.red == 255 && v.alpha == 0) {
return QString("st::transparent");
} else {
common::logError(common::kErrorInternal, "") << "bad color value";
return QString();
}
} break;
case Tag::Point: {
auto v(value.Point());
return QString("{ %1, %2 }").arg(pxValueName(v.x)).arg(pxValueName(v.y));
} break;
case Tag::Size: {
auto v(value.Size());
return QString("{ %1, %2 }").arg(pxValueName(v.width)).arg(pxValueName(v.height));
} break;
case Tag::Align: return QString("style::al_%1").arg(value.String().c_str());
case Tag::Margins: {
auto v(value.Margins());
return QString("{ %1, %2, %3, %4 }").arg(pxValueName(v.left)).arg(pxValueName(v.top)).arg(pxValueName(v.right)).arg(pxValueName(v.bottom));
} break;
case Tag::Font: {
auto v(value.Font());
QString family = "0";
if (!v.family.empty()) {
auto familyIndex = fontFamilies_.value(v.family, -1);
if (familyIndex < 0) {
return QString();
}
family = QString("font%1index").arg(familyIndex);
}
return QString("{ %1, %2, %3 }").arg(pxValueName(v.size)).arg(v.flags).arg(family);
} break;
case Tag::Icon: {
auto v(value.Icon());
if (v.parts.empty()) return QString("{}");
QStringList parts;
for (const auto &part : v.parts) {
auto maskIndex = iconMasks_.value(part.filename, -1);
if (maskIndex < 0) {
return QString();
}
auto color = valueAssignmentCode(part.color);
auto offset = valueAssignmentCode(part.offset);
parts.push_back(QString("MonoIcon{ &iconMask%1, %2, %3 }").arg(maskIndex).arg(color).arg(offset));
}
return QString("{ %1 }").arg(parts.join(", "));
} break;
case Tag::Struct: {
if (!value.Fields()) return QString();
QStringList fields;
for (auto field : *value.Fields()) {
fields.push_back(valueAssignmentCode(field.variable.value));
}
return "{ " + fields.join(", ") + " }";
} break;
}
return QString();
}
bool Generator::writeHeaderStyleNamespace() {
if (!module_.hasStructs() && !module_.hasVariables()) {
return true;
}
header_->pushNamespace("style");
if (module_.hasVariables()) {
header_->pushNamespace("internal").newline();
header_->stream() << "void init_" << baseName_ << "();\n\n";
header_->popNamespace();
}
bool wroteForwardDeclarations = writeStructsForwardDeclarations();
if (module_.hasStructs()) {
if (!wroteForwardDeclarations) {
header_->newline();
}
if (!writeStructsDefinitions()) {
return false;
}
} else if (isPalette_) {
if (!wroteForwardDeclarations) {
header_->newline();
}
if (!writePaletteDefinition()) {
return false;
}
}
header_->popNamespace().newline();
return true;
}
bool Generator::writePaletteDefinition() {
header_->stream() << "\
class palette {\n\
public:\n\
palette() = default;\n\
palette(const palette &other) = delete;\n\
\n\
QByteArray save() const;\n\
bool load(const QByteArray &cache);\n\
\n\
enum class SetResult {\n\
Ok,\n\
KeyNotFound,\n\
ValueNotFound,\n\
Duplicate,\n\
};\n\
SetResult setColor(QLatin1String name, uchar r, uchar g, uchar b, uchar a);\n\
SetResult setColor(QLatin1String name, QLatin1String from);\n\
void reset() {\n\
clear();\n\
finalize();\n\
}\n\
\n\
// Created not inited, should be finalized before usage.\n\
void finalize();\n\
\n\
int indexOfColor(color c) const;\n\
color colorAtIndex(int index) const;\n\
\n\
inline const color &get_transparent() const { return _colors[0]; }; // special color\n";
int indexInPalette = 1;
if (!module_.enumVariables([this, &indexInPalette](const Variable &variable) -> bool {
auto name = variable.name.back();
if (variable.value.type().tag != structure::TypeTag::Color) {
return false;
}
auto index = (indexInPalette++);
header_->stream() << "\tinline const color &get_" << name << "() const { return _colors[" << index << "]; };\n";
return true;
})) return false;
auto count = indexInPalette;
header_->stream() << "\
\n\
palette &operator=(const palette &other) {\n\
auto wasReady = _ready;\n\
for (int i = 0; i != kCount; ++i) {\n\
if (other._status[i] == Status::Loaded) {\n\
if (_status[i] == Status::Initial) {\n\
new (data(i)) internal::ColorData(*other.data(i));\n\
} else {\n\
*data(i) = *other.data(i);\n\
}\n\
} else if (_status[i] != Status::Initial) {\n\
data(i)->~ColorData();\n\
_status[i] = Status::Initial;\n\
_ready = false;\n\
}\n\
}\n\
if (wasReady && !_ready) {\n\
finalize();\n\
}\n\
return *this;\n\
}\n\
\n\
static int32 Checksum();\n\
\n\
~palette() {\n\
clear();\n\
}\n\
\n\
private:\n\
static constexpr auto kCount = " << count << ";\n\
\n\
void clear() {\n\
for (int i = 0; i != kCount; ++i) {\n\
if (_status[i] != Status::Initial) {\n\
data(i)->~ColorData();\n\
_status[i] = Status::Initial;\n\
_ready = false;\n\
}\n\
}\n\
}\n\
\n\
struct TempColorData { uchar r, g, b, a; };\n\
void compute(int index, int fallbackIndex, TempColorData value) {\n\
if (_status[index] == Status::Initial) {\n\
if (fallbackIndex >= 0 && _status[fallbackIndex] == Status::Loaded) {\n\
_status[index] = Status::Loaded;\n\
new (data(index)) internal::ColorData(*data(fallbackIndex));\n\
} else {\n\
_status[index] = Status::Created;\n\
new (data(index)) internal::ColorData(value.r, value.g, value.b, value.a);\n\
}\n\
}\n\
}\n\
\n\
internal::ColorData *data(int index) {\n\
return reinterpret_cast<internal::ColorData*>(_data) + index;\n\
}\n\
\n\
const internal::ColorData *data(int index) const {\n\
return reinterpret_cast<const internal::ColorData*>(_data) + index;\n\
}\n\
\n\
void setData(int index, const internal::ColorData &value) {\n\
if (_status[index] == Status::Initial) {\n\
new (data(index)) internal::ColorData(value);\n\
} else {\n\
*data(index) = value;\n\
}\n\
_status[index] = Status::Loaded;\n\
}\n\
\n\
enum class Status {\n\
Initial,\n\
Created,\n\
Loaded,\n\
};\n\
\n\
alignas(alignof(internal::ColorData)) char _data[sizeof(internal::ColorData) * kCount];\n\
\n\
color _colors[kCount] = {\n";
for (int i = 0; i != count; ++i) {
header_->stream() << "\t\tdata(" << i << "),\n";
}
header_->stream() << "\
};\n\
Status _status[kCount] = { Status::Initial };\n\
bool _ready = false;\n\
\n\
};\n\
\n\
namespace main_palette {\n\
\n\
QByteArray save();\n\
bool load(const QByteArray &cache);\n\
palette::SetResult setColor(QLatin1String name, uchar r, uchar g, uchar b, uchar a);\n\
palette::SetResult setColor(QLatin1String name, QLatin1String from);\n\
void apply(const palette &other);\n\
void reset();\n\
int indexOfColor(color c);\n\
\n\
struct row {\n\
\tQLatin1String name;\n\
\tQLatin1String value;\n\
\tQLatin1String fallback;\n\
\tQLatin1String description;\n\
};\n\
QList<row> data();\n\
\n\
} // namespace main_palette\n";
return true;
}
bool Generator::writeStructsForwardDeclarations() {
bool hasNoExternalStructs = module_.enumVariables([this](const Variable &value) -> bool {
if (value.value.type().tag == structure::TypeTag::Struct) {
if (!module_.findStructInModule(value.value.type().name, module_)) {
return false;
}
}
return true;
});
if (hasNoExternalStructs) {
return false;
}
header_->newline();
bool result = module_.enumVariables([this](const Variable &value) -> bool {
if (value.value.type().tag == structure::TypeTag::Struct) {
if (!module_.findStructInModule(value.value.type().name, module_)) {
header_->stream() << "struct " << value.value.type().name.back() << ";\n";
}
}
return true;
});
header_->newline();
return result;
}
bool Generator::writeStructsDefinitions() {
if (!module_.hasStructs()) {
return true;
}
bool result = module_.enumStructs([this](const Struct &value) -> bool {
header_->stream() << "\
struct " << value.name.back() << " {\n";
for (auto &field : value.fields) {
auto type = typeToString(field.type);
if (type.isEmpty()) {
return false;
}
header_->stream() << "\t" << type << " " << field.name.back() << ";\n";
}
header_->stream() << "\
};\n\n";
return true;
});
return result;
}
bool Generator::writeRefsDeclarations() {
if (!module_.hasVariables()) {
return true;
}
header_->pushNamespace("st");
if (isPalette_) {
header_->stream() << "extern const style::color &transparent; // special color\n";
}
bool result = module_.enumVariables([this](const Variable &value) -> bool {
auto name = value.name.back();
auto type = typeToString(value.value.type());
if (type.isEmpty()) {
return false;
}
header_->stream() << "extern const " << type << " &" << name << ";\n";
return true;
});
header_->popNamespace();
return result;
}
bool Generator::writeIncludesInSource() {
if (!module_.hasIncludes()) {
return true;
}
auto includes = QStringList();
std::function<bool(const Module&)> collector = [this, &collector, &includes](const Module &module) {
module.enumIncludes(collector);
auto base = moduleBaseName(module);
if (!includes.contains(base)) {
includes.push_back(base);
}
return true;
};
auto result = module_.enumIncludes(collector);
for (auto base : includes) {
source_->include(base + ".h");
}
source_->newline();
return result;
}
bool Generator::writeVariableDefinitions() {
if (!module_.hasVariables()) {
return true;
}
source_->newline();
bool result = module_.enumVariables([this](const Variable &variable) -> bool {
auto name = variable.name.back();
auto type = typeToString(variable.value.type());
if (type.isEmpty()) {
return false;
}
source_->stream() << type << " _" << name << " = " << typeToDefaultValue(variable.value.type()) << ";\n";
return true;
});
return result;
}
bool Generator::writeRefsDefinition() {
if (!module_.hasVariables()) {
return true;
}
if (isPalette_) {
source_->stream() << "const style::color &transparent(_palette.get_transparent()); // special color\n";
}
bool result = module_.enumVariables([this](const Variable &variable) -> bool {
auto name = variable.name.back();
auto type = typeToString(variable.value.type());
if (type.isEmpty()) {
return false;
}
source_->stream() << "const " << type << " &" << name << "(";
if (isPalette_) {
source_->stream() << "_palette.get_" << name << "()";
} else {
source_->stream() << "_" << name;
}
source_->stream() << ");\n";
return true;
});
return result;
}
bool Generator::writeSetPaletteColor() {
source_->newline();
source_->stream() << "\n\
int palette::indexOfColor(style::color c) const {\n\
auto start = data(0);\n\
if (c._data >= start && c._data < start + kCount) {\n\
return static_cast<int>(c._data - start);\n\
}\n\
return -1;\n\
}\n\
\n\
color palette::colorAtIndex(int index) const {\n\
t_assert(_ready);\n\
t_assert(index >= 0 && index < kCount);\n\
return _colors[index];\n\
}\n\
\n\
void palette::finalize() {\n\
if (_ready) return;\n\
_ready = true;\n\
\n\
compute(0, -1, { 255, 255, 255, 0}); // special color\n";
QList<structure::FullName> names;
module_.enumVariables([this, &names](const Variable &variable) -> bool {
names.push_back(variable.name);
return true;
});
QString dataRows;
int indexInPalette = 1;
QByteArray checksumString;
checksumString.append("&transparent:{ 255, 255, 255, 0 }");
auto result = module_.enumVariables([this, &indexInPalette, &checksumString, &dataRows, &names](const Variable &variable) -> bool {
auto name = variable.name.back();
auto index = indexInPalette++;
paletteIndices_.emplace(name, index);
if (variable.value.type().tag != structure::TypeTag::Color) {
return false;
}
auto color = variable.value.Color();
auto fallbackIterator = paletteIndices_.find(colorFallbackName(variable.value));
auto fallbackIndex = (fallbackIterator == paletteIndices_.end()) ? -1 : fallbackIterator->second;
auto assignment = QString("{ %1, %2, %3, %4 }").arg(color.red).arg(color.green).arg(color.blue).arg(color.alpha);
source_->stream() << "\tcompute(" << index << ", " << fallbackIndex << ", " << assignment << ");\n";
checksumString.append('&' + name + ':' + assignment);
auto isCopy = !variable.value.copyOf().isEmpty();
auto colorString = paletteColorValue(color);
auto fallbackName = QString();
if (fallbackIndex > 0) {
auto fallbackVariable = module_.findVariableInModule(names[fallbackIndex - 1], module_);
if (fallbackVariable && fallbackVariable->value.type().tag == structure::TypeTag::Color) {
fallbackName = fallbackVariable->name.back();
}
}
auto value = isCopy ? fallbackName : '#' + colorString;
if (value.isEmpty()) {
return false;
}
dataRows.append("\tresult.push_back({ qstr(\"" + name + "\"), qstr(\"" + value + "\"), qstr(\"" + (isCopy ? QString() : fallbackName) + "\"), qstr(" + stringToEncodedString(variable.description.toStdString()) + ") });\n");
return true;
});
if (!result) {
return false;
}
auto count = indexInPalette;
auto checksum = hashCrc32(checksumString.constData(), checksumString.size());
source_->stream() << "\
}\n\
\n\
int32 palette::Checksum() {\n\
return " << checksum << ";\n\
}\n";
source_->newline().pushNamespace().newline();
source_->stream() << "\
int getPaletteIndex(QLatin1String name) {\n\
auto size = name.size();\n\
auto data = name.data();\n";
auto tabs = [](int size) {
return QString(size, '\t');
};
enum class UsedCheckType {
Switch,
If,
UpcomingIf,
};
auto checkTypes = QVector<UsedCheckType>();
auto checkLengthHistory = QVector<int>(1, 0);
auto chars = QString();
auto tabsUsed = 1;
// Returns true if at least one check was finished.
auto finishChecksTillKey = [this, &chars, &checkTypes, &checkLengthHistory, &tabsUsed, tabs](const QString &key) {
auto result = false;
while (!chars.isEmpty() && key.midRef(0, chars.size()) != chars) {
result = true;
auto wasType = checkTypes.back();
chars.resize(chars.size() - 1);
checkTypes.pop_back();
checkLengthHistory.pop_back();
if (wasType == UsedCheckType::Switch || wasType == UsedCheckType::If) {
--tabsUsed;
if (wasType == UsedCheckType::Switch) {
source_->stream() << tabs(tabsUsed) << "break;\n";
}
if ((!chars.isEmpty() && key.midRef(0, chars.size()) != chars) || key == chars) {
source_->stream() << tabs(tabsUsed) << "}\n";
}
}
}
return result;
};
// Check if we can use "if" for a check on "charIndex" in "it" (otherwise only "switch")
auto canUseIfForCheck = [](auto it, auto end, int charIndex) {
auto key = it->first;
auto i = it;
auto keyStart = key.mid(0, charIndex);
for (++i; i != end; ++i) {
auto nextKey = i->first;
if (nextKey.mid(0, charIndex) != keyStart) {
return true;
} else if (nextKey.size() > charIndex && nextKey[charIndex] != key[charIndex]) {
return false;
}
}
return true;
};
auto countMinimalLength = [](auto it, auto end, int charIndex) {
auto key = it->first;
auto i = it;
auto keyStart = key.mid(0, charIndex);
auto result = key.size();
for (++i; i != end; ++i) {
auto nextKey = i->first;
if (nextKey.mid(0, charIndex) != keyStart) {
break;
} else if (nextKey.size() > charIndex && result > nextKey.size()) {
result = nextKey.size();
}
}
return result;
};
for (auto i = paletteIndices_.begin(), e = paletteIndices_.end(); i != e; ++i) {
auto name = i->first;
auto index = i->second;
auto weContinueOldSwitch = finishChecksTillKey(name);
while (chars.size() != name.size()) {
auto checking = chars.size();
auto partialKey = name.mid(0, checking);
auto keyChar = name[checking];
auto usedIfForCheckCount = 0;
auto minimalLengthCheck = countMinimalLength(i, e, checking);
for (; checking + usedIfForCheckCount != name.size(); ++usedIfForCheckCount) {
if (!canUseIfForCheck(i, e, checking + usedIfForCheckCount)
|| countMinimalLength(i, e, checking + usedIfForCheckCount) != minimalLengthCheck) {
break;
}
}
auto usedIfForCheck = !weContinueOldSwitch && (usedIfForCheckCount > 0);
auto checkLengthCondition = QString();
if (weContinueOldSwitch) {
weContinueOldSwitch = false;
} else {
checkLengthCondition = (minimalLengthCheck > checkLengthHistory.back()) ? ("size >= " + QString::number(minimalLengthCheck)) : QString();
if (!usedIfForCheck) {
source_->stream() << tabs(tabsUsed) << (checkLengthCondition.isEmpty() ? QString() : ("if (" + checkLengthCondition + ") ")) << "switch (data[" << checking << "]) {\n";
}
}
if (usedIfForCheck) {
auto conditions = QStringList();
if (usedIfForCheckCount > 1) {
conditions.push_back("!memcmp(data + " + QString::number(checking) + ", \"" + name.mid(checking, usedIfForCheckCount) + "\", " + QString::number(usedIfForCheckCount) + ")");
} else {
conditions.push_back("data[" + QString::number(checking) + "] == '" + keyChar + "'");
}
if (!checkLengthCondition.isEmpty()) {
conditions.push_front(checkLengthCondition);
}
source_->stream() << tabs(tabsUsed) << "if (" << conditions.join(" && ") << ") {\n";
checkTypes.push_back(UsedCheckType::If);
for (auto i = 1; i != usedIfForCheckCount; ++i) {
checkTypes.push_back(UsedCheckType::UpcomingIf);
chars.push_back(keyChar);
checkLengthHistory.push_back(qMax(minimalLengthCheck, checkLengthHistory.back()));
keyChar = name[checking + i];
}
} else {
source_->stream() << tabs(tabsUsed) << "case '" << keyChar << "':\n";
checkTypes.push_back(UsedCheckType::Switch);
}
++tabsUsed;
chars.push_back(keyChar);
checkLengthHistory.push_back(qMax(minimalLengthCheck, checkLengthHistory.back()));
}
source_->stream() << tabs(tabsUsed) << "return (size == " << chars.size() << ") ? " << index << " : -1;\n";
}
finishChecksTillKey(QString());
source_->stream() << "\
\n\
return -1;\n\
}\n";
source_->newline().popNamespace().newline();
source_->stream() << "\
QByteArray palette::save() const {\n\
if (!_ready) const_cast<palette*>(this)->finalize();\n\
\n\
auto result = QByteArray(" << (count * 4) << ", Qt::Uninitialized);\n\
for (auto i = 0, index = 0; i != " << count << "; ++i) {\n\
result[index++] = static_cast<uchar>(data(i)->c.red());\n\
result[index++] = static_cast<uchar>(data(i)->c.green());\n\
result[index++] = static_cast<uchar>(data(i)->c.blue());\n\
result[index++] = static_cast<uchar>(data(i)->c.alpha());\n\
}\n\
return result;\n\
}\n\
\n\
bool palette::load(const QByteArray &cache) {\n\
if (cache.size() != " << (count * 4) << ") return false;\n\
\n\
auto p = reinterpret_cast<const uchar*>(cache.constData());\n\
for (auto i = 0; i != " << count << "; ++i) {\n\
setData(i, { p[i * 4 + 0], p[i * 4 + 1], p[i * 4 + 2], p[i * 4 + 3] });\n\
}\n\
return true;\n\
}\n\
\n\
palette::SetResult palette::setColor(QLatin1String name, uchar r, uchar g, uchar b, uchar a) {\n\
auto nameIndex = getPaletteIndex(name);\n\
if (nameIndex < 0) return SetResult::KeyNotFound;\n\
auto duplicate = (_status[nameIndex] != Status::Initial);\n\
\n\
setData(nameIndex, { r, g, b, a });\n\
return duplicate ? SetResult::Duplicate : SetResult::Ok;\n\
}\n\
\n\
palette::SetResult palette::setColor(QLatin1String name, QLatin1String from) {\n\
auto nameIndex = getPaletteIndex(name);\n\
if (nameIndex < 0) return SetResult::KeyNotFound;\n\
auto duplicate = (_status[nameIndex] != Status::Initial);\n\
\n\
auto fromIndex = getPaletteIndex(from);\n\
if (fromIndex < 0 || _status[fromIndex] != Status::Loaded) return SetResult::ValueNotFound;\n\
\n\
setData(nameIndex, *data(fromIndex));\n\
return duplicate ? SetResult::Duplicate : SetResult::Ok;\n\
}\n\
\n\
namespace main_palette {\n\
\n\
QByteArray save() {\n\
return _palette.save();\n\
}\n\
\n\
bool load(const QByteArray &cache) {\n\
if (_palette.load(cache)) {\n\
style::internal::resetIcons();\n\
return true;\n\
}\n\
return false;\n\
}\n\
\n\
palette::SetResult setColor(QLatin1String name, uchar r, uchar g, uchar b, uchar a) {\n\
return _palette.setColor(name, r, g, b, a);\n\
}\n\
\n\
palette::SetResult setColor(QLatin1String name, QLatin1String from) {\n\
return _palette.setColor(name, from);\n\
}\n\
\n\
void apply(const palette &other) {\n\
_palette = other;\n\
style::internal::resetIcons();\n\
}\n\
\n\
void reset() {\n\
_palette.reset();\n\
style::internal::resetIcons();\n\
}\n\
\n\
int indexOfColor(color c) {\n\
return _palette.indexOfColor(c);\n\
}\n\
\n\
QList<row> data() {\n\
auto result = QList<row>();\n\
result.reserve(" << count << ");\n\
\n\
" << dataRows << "\n\
return result;\n\
}\n\
\n\
} // namespace main_palette\n\
\n";
return result;
}
bool Generator::writeVariableInit() {
if (!module_.hasVariables()) {
return true;
}
if (!collectUniqueValues()) {
return false;
}
bool hasUniqueValues = (!pxValues_.isEmpty() || !fontFamilies_.isEmpty() || !iconMasks_.isEmpty());
if (hasUniqueValues) {
source_->pushNamespace();
if (!writePxValuesInit()) {
return false;
}
if (!writeFontFamiliesInit()) {
return false;
}
if (!writeIconValues()) {
return false;
}
source_->popNamespace().newline();
}
source_->stream() << "\
void init_" << baseName_ << "() {\n\
if (inited) return;\n\
inited = true;\n\n";
if (module_.hasIncludes()) {
bool writtenAtLeastOne = false;
bool result = module_.enumIncludes([this,&writtenAtLeastOne](const Module &module) -> bool {
if (module.hasVariables()) {
source_->stream() << "\tinit_" + moduleBaseName(module) + "();\n";
writtenAtLeastOne = true;
}
return true;
});
if (!result) {
return false;
}
if (writtenAtLeastOne) {
source_->newline();
}
}
if (!pxValues_.isEmpty() || !fontFamilies_.isEmpty()) {
if (!pxValues_.isEmpty()) {
source_->stream() << "\tinitPxValues();\n";
}
if (!fontFamilies_.isEmpty()) {
source_->stream() << "\tinitFontFamilies();\n";
}
source_->newline();
}
if (isPalette_) {
source_->stream() << "\t_palette.finalize();\n";
} else if (!module_.enumVariables([this](const Variable &variable) -> bool {
auto name = variable.name.back();
auto value = valueAssignmentCode(variable.value);
if (value.isEmpty()) {
return false;
}
source_->stream() << "\t_" << name << " = " << value << ";\n";
return true;
})) {
return false;
}
source_->stream() << "\
}\n\n";
return true;
}
bool Generator::writePxValuesInit() {
if (pxValues_.isEmpty()) {
return true;
}
for (auto i = pxValues_.cbegin(), e = pxValues_.cend(); i != e; ++i) {
source_->stream() << "int " << pxValueName(i.key()) << " = " << i.key() << ";\n";
}
source_->stream() << "\
void initPxValues() {\n\
if (cRetina()) return;\n\
\n\
switch (cScale()) {\n";
for (int i = 1, scalesCount = _scales.size(); i < scalesCount; ++i) {
source_->stream() << "\tcase " << _scaleNames.at(i) << ":\n";
for (auto it = pxValues_.cbegin(), e = pxValues_.cend(); it != e; ++it) {
auto value = it.key();
int adjusted = structure::data::pxAdjust(value, _scales.at(i));
if (adjusted != value) {
source_->stream() << "\t\t" << pxValueName(value) << " = " << adjusted << ";\n";
}
}
source_->stream() << "\tbreak;\n";
}
source_->stream() << "\
}\n\
}\n\n";
return true;
}
bool Generator::writeFontFamiliesInit() {
if (fontFamilies_.isEmpty()) {
return true;
}
for (auto familyIndex : fontFamilies_) {
source_->stream() << "int font" << familyIndex << "index;\n";
}
source_->stream() << "void initFontFamilies() {\n";
for (auto i = fontFamilies_.cbegin(), e = fontFamilies_.cend(); i != e; ++i) {
auto family = stringToEncodedString(i.key());
source_->stream() << "\tfont" << i.value() << "index = style::internal::registerFontFamily(" << family << ");\n";
}
source_->stream() << "}\n\n";
return true;
}
namespace {
QByteArray iconMaskValueSize(int width, int height) {
QByteArray result;
QLatin1String generateTag("GENERATE:");
result.append(generateTag.data(), generateTag.size());
QLatin1String sizeTag("SIZE:");
result.append(sizeTag.data(), sizeTag.size());
{
QDataStream stream(&result, QIODevice::Append);
stream.setVersion(QDataStream::Qt_5_1);
stream << qint32(width) << qint32(height);
}
return result;
}
QByteArray iconMaskValuePng(QString filepath) {
QByteArray result;
auto pathAndModifiers = filepath.split('-');
filepath = pathAndModifiers[0];
auto modifiers = pathAndModifiers.mid(1);
QImage png100x(filepath + ".png");
QImage png200x(filepath + "@2x.png");
png100x.setDevicePixelRatio(1.);
png200x.setDevicePixelRatio(1.);
if (png100x.isNull()) {
common::logError(common::kErrorFileNotOpened, filepath + ".png") << "could not open icon file";
return result;
}
if (png200x.isNull()) {
common::logError(common::kErrorFileNotOpened, filepath + "@2x.png") << "could not open icon file";
return result;
}
if (png100x.format() != png200x.format()) {
common::logError(kErrorBadIconFormat, filepath + ".png") << "1x and 2x icons have different format";
return result;
}
if (png100x.width() * 2 != png200x.width() || png100x.height() * 2 != png200x.height()) {
common::logError(kErrorBadIconSize, filepath + ".png") << "bad icons size, 1x: " << png100x.width() << "x" << png100x.height() << ", 2x: " << png200x.width() << "x" << png200x.height();
return result;
}
for (auto modifierName : modifiers) {
if (auto modifier = GetModifier(modifierName)) {
modifier(png100x, png200x);
} else {
common::logError(common::kErrorInternal, filepath) << "modifier should be valid here, name: " << modifierName.toStdString();
return result;
}
}
QImage png125x = png200x.scaled(structure::data::pxAdjust(png100x.width(), 5), structure::data::pxAdjust(png100x.height(), 5), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
QImage png150x = png200x.scaled(structure::data::pxAdjust(png100x.width(), 6), structure::data::pxAdjust(png100x.height(), 6), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
QImage composed(png200x.width() + png100x.width(), png200x.height() + png150x.height(), png100x.format());
{
QPainter p(&composed);
p.setCompositionMode(QPainter::CompositionMode_Source);
p.fillRect(0, 0, composed.width(), composed.height(), QColor(0, 0, 0, 255));
p.drawImage(0, 0, png200x);
p.drawImage(png200x.width(), 0, png100x);
p.drawImage(0, png200x.height(), png150x);
p.drawImage(png150x.width(), png200x.height(), png125x);
}
{
QBuffer buffer(&result);
composed.save(&buffer, "PNG");
}
return result;
}
} // namespace
bool Generator::writeIconValues() {
if (iconMasks_.isEmpty()) {
return true;
}
for (auto i = iconMasks_.cbegin(), e = iconMasks_.cend(); i != e; ++i) {
QString filePath = i.key();
QByteArray maskData;
QImage png100x, png200x;
if (filePath.startsWith("size://")) {
QStringList dimensions = filePath.mid(7).split(',');
if (dimensions.size() < 2 || dimensions.at(0).toInt() <= 0 || dimensions.at(1).toInt() <= 0) {
common::logError(common::kErrorFileNotOpened, filePath) << "bad dimensions";
return false;
}
maskData = iconMaskValueSize(dimensions.at(0).toInt(), dimensions.at(1).toInt());
} else {
maskData = iconMaskValuePng(filePath);
}
if (maskData.isEmpty()) {
return false;
}
source_->stream() << "const uchar iconMask" << i.value() << "Data[] = " << stringToBinaryArray(std::string(maskData.constData(), maskData.size())) << ";\n";
source_->stream() << "IconMask iconMask" << i.value() << "(iconMask" << i.value() << "Data);\n\n";
}
return true;
}
bool Generator::collectUniqueValues() {
int fontFamilyIndex = 0;
int iconMaskIndex = 0;
std::function<bool(const Variable&)> collector = [this, &collector, &fontFamilyIndex, &iconMaskIndex](const Variable &variable) {
auto value = variable.value;
if (!value.copyOf().isEmpty()) {
return true;
}
switch (value.type().tag) {
case Tag::Invalid:
case Tag::Int:
case Tag::Double:
case Tag::String:
case Tag::Color:
case Tag::Align: break;
case Tag::Pixels: pxValues_.insert(value.Int(), true); break;
case Tag::Point: {
auto v(value.Point());
pxValues_.insert(v.x, true);
pxValues_.insert(v.y, true);
} break;
case Tag::Size: {
auto v(value.Size());
pxValues_.insert(v.width, true);
pxValues_.insert(v.height, true);
} break;
case Tag::Margins: {
auto v(value.Margins());
pxValues_.insert(v.left, true);
pxValues_.insert(v.top, true);
pxValues_.insert(v.right, true);
pxValues_.insert(v.bottom, true);
} break;
case Tag::Font: {
auto v(value.Font());
pxValues_.insert(v.size, true);
if (!v.family.empty() && !fontFamilies_.contains(v.family)) {
fontFamilies_.insert(v.family, ++fontFamilyIndex);
}
} break;
case Tag::Icon: {
auto v(value.Icon());
for (auto &part : v.parts) {
pxValues_.insert(part.offset.Point().x, true);
pxValues_.insert(part.offset.Point().y, true);
if (!iconMasks_.contains(part.filename)) {
iconMasks_.insert(part.filename, ++iconMaskIndex);
}
}
} break;
case Tag::Struct: {
auto fields = variable.value.Fields();
if (!fields) {
return false;
}
for (auto field : *fields) {
if (!collector(field.variable)) {
return false;
}
}
} break;
}
return true;
};
return module_.enumVariables(collector);
}
} // namespace style
} // namespace codegen