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/*
* Copyright (C) 2024 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2024 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-tk-lib
* Created on: 1 нояб. 2020 г.
*
* lsp-tk-lib 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
* any later version.
*
* lsp-tk-lib 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 lsp-tk-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_TK_STYLE_STYLESHEET_H_
#define LSP_PLUG_IN_TK_STYLE_STYLESHEET_H_
#ifndef LSP_PLUG_IN_TK_IMPL
#error "use <lsp-plug.in/tk/tk.h>"
#endif
#include <lsp-plug.in/lltl/parray.h>
#include <lsp-plug.in/lltl/pphash.h>
#include <lsp-plug.in/runtime/LSPString.h>
#include <lsp-plug.in/runtime/Color.h>
#include <lsp-plug.in/io/Path.h>
#include <lsp-plug.in/io/IInStream.h>
#include <lsp-plug.in/io/IInSequence.h>
#include <lsp-plug.in/fmt/xml/PullParser.h>
namespace lsp
{
namespace tk
{
/**
* Style sheet class
*
*/
class StyleSheet
{
private:
friend class Schema;
protected:
typedef struct property_t
{
size_t order; // Property order
LSPString value; // Property value
} property_t;
typedef struct style_t
{
size_t order_gen; // Property order generator
LSPString name; // Name of style
lltl::parray<LSPString> parents; // List of parents
lltl::pphash<LSPString, property_t> properties; // properties
style_t();
~style_t();
} style_t;
typedef struct font_t
{
LSPString name; // Name of the font
LSPString path; // Path to font
bool alias; // Is an alias
} font_t;
typedef struct path_t
{
lltl::parray<style_t> visited;
style_t *curr;
} path_t;
protected:
LSPString sTitle; // Schema title
style_t *pRoot; // Root style
lltl::pphash<LSPString, style_t> vStyles; // Additional named styles
lltl::pphash<LSPString, font_t> vFonts; // Additional fonts
lltl::pphash<LSPString, lsp::Color> vColors; // Color map
lltl::pphash<LSPString, LSPString> vConstants; // Global constants
LSPString sError; // Error text
public:
explicit StyleSheet();
StyleSheet(const StyleSheet &) = delete;
StyleSheet(StyleSheet &&) = delete;
~StyleSheet();
StyleSheet & operator = (const StyleSheet &) = delete;
StyleSheet & operator = (StyleSheet &&) = delete;
protected:
status_t parse_document(xml::PullParser *p);
status_t parse_schema(xml::PullParser *p);
status_t parse_colors(xml::PullParser *p);
status_t parse_fonts(xml::PullParser *p);
status_t parse_constants(xml::PullParser *p);
status_t parse_metadata(xml::PullParser *p);
status_t parse_style(xml::PullParser *p, bool root);
status_t parse_color(xml::PullParser *p, const LSPString *color_name, lsp::Color *color);
status_t parse_constant(xml::PullParser *p, LSPString *value);
status_t parse_font(xml::PullParser *p, font_t *font);
status_t parse_property(xml::PullParser *p, style_t *style, const LSPString *name);
status_t parse_style_class(LSPString *cname, const LSPString *text);
status_t parse_string_value(xml::PullParser *p, LSPString *value);
status_t parse_style_parents(style_t *style, const LSPString *text);
status_t parse_property_type(property_type_t *pt, const LSPString *text);
status_t add_parent(style_t *style, const LSPString *text);
status_t validate();
status_t validate_style(style_t *s);
static void drop_paths(lltl::parray<path_t> *paths);
public:
status_t parse_file(const char *path, const char *charset = NULL);
status_t parse_file(const LSPString *path, const char *charset = NULL);
status_t parse_file(const io::Path *path, const char *charset = NULL);
status_t parse_data(io::IInStream *is, size_t flags = WRAP_NONE, const char *charset = NULL);
status_t parse_data(const char *str, const char *charset = NULL);
status_t parse_data(const LSPString *str);
status_t parse_data(io::IInSequence *seq, size_t flags = WRAP_NONE);
public:
inline const LSPString *title() const { return &sTitle; }
status_t enum_colors(lltl::parray<LSPString> *names) const;
status_t enum_styles(lltl::parray<LSPString> *names) const;
status_t enum_fonts(lltl::parray<LSPString> *names) const;
status_t enum_constants(lltl::parray<LSPString> *names) const;
status_t enum_properties(const LSPString *style, lltl::parray<LSPString> *names) const;
status_t enum_properties(const char *style, lltl::parray<LSPString> *names) const;
status_t enum_parents(const LSPString *style, lltl::parray<LSPString> *names) const;
status_t enum_parents(const char *style, lltl::parray<LSPString> *names) const;
ssize_t get_property(const LSPString *style, const LSPString *property, LSPString *dst) const;
ssize_t get_property(const char *style, const char *property, LSPString *dst) const;
ssize_t get_color(const LSPString *color, lsp::Color *dst) const;
ssize_t get_color(const char *color, lsp::Color *dst) const;
ssize_t get_font(const LSPString *font, LSPString *path, bool *alias) const;
ssize_t get_font(const char *font, LSPString *path, bool *alias) const;
ssize_t get_constant(const LSPString *name, LSPString *dst) const;
ssize_t get_constant(const char *name, LSPString *dst) const;
public:
const LSPString *error() const { return &sError; }
};
} /* namespace tk */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_TK_STYLE_STYLESHEET_H_ */
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