Aegisub/src/ass_file.h

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// Copyright (c) 2005, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
#include "ass_entry.h"
#include <libaegisub/fs_fwd.h>
#include <libaegisub/signal.h>
#include <boost/intrusive/list.hpp>
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#include <map>
#include <set>
#include <vector>
class AssAttachment;
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class AssDialogue;
class AssInfo;
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class AssStyle;
class wxString;
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template<typename T>
using EntryList = typename boost::intrusive::make_list<T, boost::intrusive::constant_time_size<false>, boost::intrusive::base_hook<AssEntryListHook>>::type;
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struct ExtradataEntry {
uint32_t id;
std::string key;
std::string value;
};
struct AssFileCommit {
wxString const& message;
int *commit_id;
AssDialogue *single_line;
};
struct ProjectProperties {
std::string automation_scripts;
std::string export_filters;
std::string export_encoding;
std::string style_storage;
std::string audio_file;
std::string video_file;
std::string timecodes_file;
std::string keyframes_file;
std::map<std::string, std::string> automation_settings;
// UI State
double video_zoom = 0.;
double ar_value = 0.;
int scroll_position = 0;
int active_row = 0;
int ar_mode = 0;
int video_position = 0;
};
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class AssFile {
/// A set of changes has been committed to the file (AssFile::COMMITType)
agi::signal::Signal<int, const AssDialogue*> AnnounceCommit;
agi::signal::Signal<AssFileCommit> PushState;
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public:
/// The lines in the file
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std::vector<AssInfo> Info;
EntryList<AssStyle> Styles;
EntryList<AssDialogue> Events;
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std::vector<AssAttachment> Attachments;
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std::vector<ExtradataEntry> Extradata;
ProjectProperties Properties;
uint32_t next_extradata_id = 0;
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AssFile();
AssFile(const AssFile &from);
AssFile& operator=(AssFile from);
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~AssFile();
EntryList<AssDialogue>::iterator iterator_to(AssDialogue& line);
/// @brief Load default file
/// @param defline Add a blank line to the file
/// @param style_catalog Style catalog name to fill styles from, blank to use default style
void LoadDefault(bool defline = true, std::string const& style_catalog = std::string());
/// Attach a file to the ass file
void InsertAttachment(agi::fs::path const& filename);
/// Get the names of all of the styles available
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std::vector<std::string> GetStyles() const;
/// @brief Get a style by name
/// @param name Style name
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/// @return Pointer to style or nullptr
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AssStyle *GetStyle(std::string const& name);
void swap(AssFile &) throw();
/// @brief Get the script resolution
/// @param[out] w Width
/// @param[in] h Height
void GetResolution(int &w,int &h) const;
/// Get the value in a [Script Info] key as int, or 0 if it is not present
int GetScriptInfoAsInt(std::string const& key) const;
/// Get the value in a [Script Info] key as string.
std::string GetScriptInfo(std::string const& key) const;
/// Set the value of a [Script Info] key. Adds it if it doesn't exist.
void SetScriptInfo(std::string const& key, std::string const& value);
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/// @brief Add a new extradata entry
/// @param key Class identifier/owner for the extradata
/// @param value Data for the extradata
/// @return ID of the created entry
uint32_t AddExtradata(std::string const& key, std::string const& value);
/// Fetch all extradata entries from a list of IDs
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std::vector<ExtradataEntry> GetExtradata(std::vector<uint32_t> const& id_list) const;
/// Remove unreferenced extradata entries
void CleanExtradata();
/// Type of changes made in a commit
enum CommitType {
/// Potentially the entire file has been changed; any saved information
/// should be discarded. Note that the active line and selected set
/// should not be touched in handlers for this, as they may not have
/// been updated yet
/// Note that it is intentional that this cannot be combined with
/// other commit types
COMMIT_NEW = 0,
/// The order of lines in the file has changed
COMMIT_ORDER = 0x1,
/// The script info section has changed in some way
COMMIT_SCRIPTINFO = 0x2,
/// The styles have changed in some way
COMMIT_STYLES = 0x4,
/// The attachments have changed in some way
COMMIT_ATTACHMENT = 0x8,
/// Dialogue lines have been added or removed
/// Note that if the active dialogue line was removed, the active line
/// should be updated BEFORE committing
COMMIT_DIAG_ADDREM = 0x10,
/// The metadata fields of existing dialogue lines have changed
COMMIT_DIAG_META = 0x20,
/// The start and/or end times of existing dialogue lines have changed
COMMIT_DIAG_TIME = 0x40,
/// The text of existing dialogue lines have changed
COMMIT_DIAG_TEXT = 0x80,
COMMIT_DIAG_FULL = COMMIT_DIAG_META | COMMIT_DIAG_TIME | COMMIT_DIAG_TEXT,
/// Extradata entries were added/modified/removed
COMMIT_EXTRADATA = 0x100,
};
DEFINE_SIGNAL_ADDERS(AnnounceCommit, AddCommitListener)
DEFINE_SIGNAL_ADDERS(PushState, AddUndoManager)
/// @brief Flag the file as modified and push a copy onto the undo stack
/// @param desc Undo description
/// @param type Type of changes made to the file in this commit
/// @param commitId Commit to amend rather than pushing a new commit
/// @param single_line Line which was changed, if only one line was
/// @return Unique identifier for the new undo group
int Commit(wxString const& desc, int type, int commitId = -1, AssDialogue *single_line = nullptr);
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/// Comparison function for use when sorting
typedef bool (*CompFunc)(AssDialogue const& lft, AssDialogue const& rgt);
/// Compare based on start time
static bool CompStart(AssDialogue const& lft, AssDialogue const& rgt);
/// Compare based on end time
static bool CompEnd(AssDialogue const& lft, AssDialogue const& rgt);
/// Compare based on style name
static bool CompStyle(AssDialogue const& lft, AssDialogue const& rgt);
/// Compare based on actor name
static bool CompActor(AssDialogue const& lft, AssDialogue const& rgt);
/// Compare based on effect
static bool CompEffect(AssDialogue const& lft, AssDialogue const& rgt);
/// Compare based on layer
static bool CompLayer(AssDialogue const& lft, AssDialogue const& rgt);
/// @brief Sort the dialogue lines in this file
/// @param comp Comparison function to use. Defaults to sorting by start time.
/// @param limit If non-empty, only lines in this set are sorted
void Sort(CompFunc comp = CompStart, std::set<AssDialogue*> const& limit = std::set<AssDialogue*>());
/// @brief Sort the dialogue lines in the given list
/// @param comp Comparison function to use. Defaults to sorting by start time.
/// @param limit If non-empty, only lines in this set are sorted
static void Sort(EntryList<AssDialogue>& lst, CompFunc comp = CompStart, std::set<AssDialogue*> const& limit = std::set<AssDialogue*>());
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};