mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2025-06-05 21:59:17 +02:00
Structure tree (first part)
This commit is contained in:
Jakub Melka
163
PdfForQtLib/sources/pdfstructuretree.cpp
Normal file
163
PdfForQtLib/sources/pdfstructuretree.cpp
Normal file
@ -0,0 +1,163 @@
|
||||
// Copyright (C) 2019-2020 Jakub Melka
|
||||
//
|
||||
// This file is part of PdfForQt.
|
||||
//
|
||||
// PdfForQt is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// PdfForQt 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 Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with PDFForQt. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
#include "pdfstructuretree.h"
|
||||
|
||||
#include <array>
|
||||
|
||||
namespace pdf
|
||||
{
|
||||
|
||||
/// Attribute definition structure
|
||||
struct PDFStructureTreeAttributeDefinition
|
||||
{
|
||||
constexpr inline PDFStructureTreeAttributeDefinition() = default;
|
||||
constexpr inline PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute type,
|
||||
const char* name,
|
||||
bool inheritable) :
|
||||
type(type),
|
||||
name(name),
|
||||
inheritable(inheritable)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
/// Returns attribute definition for given attribute name. This function
|
||||
/// always returns valid pointer. For uknown attribute, it returns
|
||||
/// user attribute definition.
|
||||
/// \param name Attribute name
|
||||
const PDFStructureTreeAttributeDefinition* getDefinition(const QByteArray& name);
|
||||
|
||||
PDFStructureTreeAttribute::Owner getOwnerFromString(const QByteArray& string);
|
||||
|
||||
PDFStructureTreeAttribute::Attribute type = PDFStructureTreeAttribute::Attribute::User;
|
||||
const char* name = nullptr;
|
||||
bool inheritable = false;
|
||||
};
|
||||
|
||||
|
||||
static constexpr std::array<std::pair<const char*, const PDFStructureTreeAttribute::Owner>, 16> s_ownerDefinitions =
|
||||
{
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("Layout", PDFStructureTreeAttribute::Owner::Layout),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("List", PDFStructureTreeAttribute::Owner::List),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("PrintField", PDFStructureTreeAttribute::Owner::PrintField),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("Table", PDFStructureTreeAttribute::Owner::Table),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("Artifact", PDFStructureTreeAttribute::Owner::Artifact),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("XML-1.00", PDFStructureTreeAttribute::Owner::XML_1_00),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("HTML-3.20", PDFStructureTreeAttribute::Owner::HTML_3_20),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("HTML-4.01", PDFStructureTreeAttribute::Owner::HTML_4_01),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("HTML-5.00", PDFStructureTreeAttribute::Owner::HTML_5_00),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("OEB-1.00", PDFStructureTreeAttribute::Owner::OEB_1_00),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("RTF-1.05", PDFStructureTreeAttribute::Owner::RTF_1_05),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("CSS-1.00", PDFStructureTreeAttribute::Owner::CSS_1_00),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("CSS-2.00", PDFStructureTreeAttribute::Owner::CSS_2_00),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("CSS-3.00", PDFStructureTreeAttribute::Owner::CSS_3_00),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("RDFa-1.10", PDFStructureTreeAttribute::Owner::RDFa_1_10),
|
||||
std::pair<const char*, const PDFStructureTreeAttribute::Owner>("ARIA-1.1", PDFStructureTreeAttribute::Owner::ARIA_1_1)
|
||||
};
|
||||
|
||||
static constexpr std::array<const PDFStructureTreeAttributeDefinition, PDFStructureTreeAttribute::Attribute::LastAttribute + 1> s_attributeDefinitions =
|
||||
{
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::User, "", false), // User
|
||||
|
||||
// Standard layout attributes
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Placement, "Placement", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::WritingMode, "WritingMode", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::BackgroundColor, "BackgroundColor", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::BorderColor, "BorderColor", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::BorderStyle, "BorderStyle", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::BorderThickness, "BorderThickness", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Color, "Color", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Padding, "Padding", false),
|
||||
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::SpaceBefore, "SpaceBefore", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::SpaceAfter, "SpaceAfter", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::StartIndent, "StartIndent", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::EndIndent, "EndIndent", true),
|
||||
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::TextIndent, "TextIndent", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::TextAlign, "TextAlign", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::BBox, "BBox", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Width, "Width", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Height, "Height", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::BlockAlign, "BlockAlign", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::InlineAlign, "InlineAlign", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::TBorderStyle, "TBorderStyle", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::TPadding, "TPadding", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::LineHeight, "LineHeight", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::BaselineShift, "BaselineShift", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::TextDecorationType, "TextDecorationType", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::TextDecorationColor, "TextDecorationColor", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::TextDecorationThickness, "TextDecorationThickness", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::ColumnCount, "ColumnCount", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::ColumnWidths, "ColumnWidths", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::ColumnGap, "ColumnGap", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::GlyphOrientationVertical, "GlyphOrientationVertical", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::RubyAlign, "RubyAlign", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::RubyPosition, "RubyPosition", true),
|
||||
|
||||
// List attributes
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::ListNumbering, "ListNumbering", true),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::ContinuedList, "ContinuedList", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::ContinuedFrom, "ContinuedFrom", false),
|
||||
|
||||
// PrintField attributes
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Role, "Role", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Checked, "Checked", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Checked, "checked", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Desc, "Desc", false),
|
||||
|
||||
// Table attributes
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::RowSpan, "RowSpan", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::ColSpan, "ColSpan", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Headers, "Headers", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Scope, "Scope", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Short, "Short", false),
|
||||
|
||||
// Artifact attributes
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Type, "Type", false),
|
||||
PDFStructureTreeAttributeDefinition(PDFStructureTreeAttribute::Attribute::Subtype, "Subtype", false)
|
||||
};
|
||||
|
||||
const PDFStructureTreeAttributeDefinition* PDFStructureTreeAttributeDefinition::getDefinition(const QByteArray& name)
|
||||
{
|
||||
for (const PDFStructureTreeAttributeDefinition& definition : s_attributeDefinitions)
|
||||
{
|
||||
if (name == definition.name)
|
||||
{
|
||||
return &definition;
|
||||
}
|
||||
}
|
||||
|
||||
Q_ASSERT(s_attributeDefinitions.front().type == PDFStructureTreeAttribute::Attribute::User);
|
||||
return &s_attributeDefinitions.front();
|
||||
}
|
||||
|
||||
PDFStructureTreeAttribute::Owner PDFStructureTreeAttributeDefinition::getOwnerFromString(const QByteArray& string)
|
||||
{
|
||||
for (const auto& item : s_ownerDefinitions)
|
||||
{
|
||||
if (string == item.first)
|
||||
{
|
||||
return item.second;
|
||||
}
|
||||
}
|
||||
|
||||
return PDFStructureTreeAttribute::Owner::User;
|
||||
}
|
||||
|
||||
} // namespace pdf
|
||||
Reference in New Issue
Block a user