Aegisub/aegisub/subtitle_format_ttxt.cpp

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// Copyright (c) 2007, 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
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
///////////
// Headers
#include "subtitle_format_ttxt.h"
#include "ass_time.h"
#include "ass_file.h"
#include "options.h"
///////////////////
// Get format name
wxString TTXTSubtitleFormat::GetName() {
return _T("MPEG-4 Streaming Text");
}
//////////////////////
// Get read wildcards
wxArrayString TTXTSubtitleFormat::GetReadWildcards() {
wxArrayString formats;
formats.Add(_T("ttxt"));
return formats;
}
///////////////////////
// Get write wildcards
wxArrayString TTXTSubtitleFormat::GetWriteWildcards() {
return GetReadWildcards();
//return wxArrayString();
}
////////////////////
// Can read a file?
bool TTXTSubtitleFormat::CanReadFile(wxString filename) {
return (filename.Right(5).Lower() == _T(".ttxt"));
}
/////////////////////
// Can write a file?
bool TTXTSubtitleFormat::CanWriteFile(wxString filename) {
//return false;
return (filename.Right(5).Lower() == _T(".ttxt"));
}
///////////////
// Read a file
void TTXTSubtitleFormat::ReadFile(wxString filename,wxString forceEncoding) {
// Load default
LoadDefault(false);
// Load XML document
wxXmlDocument doc;
if (!doc.Load(filename)) throw _T("Failed loading TTXT XML file.");
// Check root node name
if (doc.GetRoot()->GetName() != _T("TextStream")) throw _T("Invalid TTXT file.");
// Check version
wxString verStr = doc.GetRoot()->GetPropVal(_T("version"),_T(""));
version = -1;
if (verStr == _T("1.0")) version = 0;
else if (verStr == _T("1.1")) version = 1;
else throw wxString(_T("Unknown TTXT version: ") + verStr);
// Get children
diag = NULL;
wxXmlNode *child = doc.GetRoot()->GetChildren();
int lines = 0;
while (child) {
// Line
if (child->GetName() == _T("TextSample")) {
if (ProcessLine(child)) lines++;
}
// Header
else if (child->GetName() == _T("TextStreamHeader")) {
ProcessHeader(child);
}
// Proceed to next child
child = child->GetNext();
}
// No lines?
if (lines == 0) {
AssDialogue *line = new AssDialogue();
line->group = _T("[Events]");
line->Style = _T("Default");
line->StartMS = 0;
line->Start.SetMS(0);
line->End.SetMS(5000);
Line->push_back(line);
}
}
///////////////////////////
// Process a dialogue line
bool TTXTSubtitleFormat::ProcessLine(wxXmlNode *node) {
// Get time
wxString sampleTime = node->GetPropVal(_T("sampleTime"),_T("00:00:00.000"));
AssTime time;
time.ParseASS(sampleTime);
// Set end time of last line
if (diag) diag->End = time;
diag = NULL;
// Get text
wxString text;
if (version == 0) text = node->GetPropVal(_T("text"),_T(""));
else text = node->GetNodeContent();
// Create line
if (!text.IsEmpty()) {
// Create dialogue
diag = new AssDialogue();
diag->Start = time;
diag->End.SetMS(36000000-10);
diag->group = _T("[Events]");
diag->Style = _T("Default");
diag->Comment = false;
diag->StartMS = diag->Start.GetMS();
// Process text for 1.0
if (version == 0) {
wxString finalText;
finalText.Alloc(text.Length());
bool in = false;
bool first = true;
for (size_t i=0;i<text.Length();i++) {
if (text[i] == _T('\'')) {
if (!in && !first) finalText += _T("\\N");
first = false;
in = !in;
}
else if (in) finalText += text[i];
}
diag->Text = finalText;
}
// Process text for 1.1
else {
text.Replace(_T("\r"),_T(""));
text.Replace(_T("\n"),_T("\\N"));
diag->Text = text;
}
// Insert dialogue
Line->push_back(diag);
return true;
}
else return false;
}
//////////////////////
// Process the header
void TTXTSubtitleFormat::ProcessHeader(wxXmlNode *node) {
// TODO
}
////////////////
// Write a file
void TTXTSubtitleFormat::WriteFile(wxString filename,wxString encoding) {
// Convert to TTXT
CreateCopy();
ConvertToTTXT();
// Create XML structure
wxXmlDocument doc;
wxXmlNode *root = new wxXmlNode(NULL,wxXML_ELEMENT_NODE,_T("TextStream"));
root->AddProperty(_T("version"),_T("1.1"));
doc.SetRoot(root);
// Create header
WriteHeader(root);
// Create lines
int i=1;
using std::list;
prev = NULL;
for (list<AssEntry*>::iterator cur=Line->begin();cur!=Line->end();cur++) {
AssDialogue *current = AssEntry::GetAsDialogue(*cur);
if (current && !current->Comment) {
WriteLine(root,current);
i++;
}
else throw _T("Unexpected line type");
}
// Save XML
//prevNode->SetNext(NULL);
doc.Save(filename);
// Clear
ClearCopy();
}
////////////////
// Write header
void TTXTSubtitleFormat::WriteHeader(wxXmlNode *root) {
// Write stream header
wxXmlNode *node = new wxXmlNode(wxXML_ELEMENT_NODE,_T("TextStreamHeader"));
node->AddProperty(_T("width"),_T("400"));
node->AddProperty(_T("height"),_T("60"));
node->AddProperty(_T("layer"),_T("0"));
node->AddProperty(_T("translation_x"),_T("0"));
node->AddProperty(_T("translation_y"),_T("0"));
root->AddChild(node);
root = node;
// Write sample description
node = new wxXmlNode(wxXML_ELEMENT_NODE,_T("TextSampleDescription"));
node->AddProperty(_T("horizontalJustification"),_T("center"));
node->AddProperty(_T("verticalJustification"),_T("bottom"));
node->AddProperty(_T("backColor"),_T("0 0 0 0"));
node->AddProperty(_T("verticalText"),_T("no"));
node->AddProperty(_T("fillTextRegion"),_T("no"));
node->AddProperty(_T("continuousKaraoke"),_T("no"));
node->AddProperty(_T("scroll"),_T("None"));
root->AddChild(node);
root = node;
// Write font table
node = new wxXmlNode(wxXML_ELEMENT_NODE,_T("FontTable"));
wxXmlNode *subNode = new wxXmlNode(wxXML_ELEMENT_NODE,_T("FontTableEntry"));
subNode->AddProperty(_T("fontName"),_T("Sans"));
subNode->AddProperty(_T("fontID"),_T("1"));
node->AddChild(subNode);
root->AddChild(node);
// Write text box
node = new wxXmlNode(wxXML_ELEMENT_NODE,_T("TextBox"));
node->AddProperty(_T("top"),_T("0"));
node->AddProperty(_T("left"),_T("0"));
node->AddProperty(_T("bottom"),_T("60"));
node->AddProperty(_T("right"),_T("400"));
root->AddChild(node);
// Write style
node = new wxXmlNode(wxXML_ELEMENT_NODE,_T("Style"));
node->AddProperty(_T("styles"),_T("Normal"));
node->AddProperty(_T("fontID"),_T("1"));
node->AddProperty(_T("fontSize"),_T("18"));
node->AddProperty(_T("color"),_T("ff ff ff ff"));
root->AddChild(node);
}
//////////////
// Write line
void TTXTSubtitleFormat::WriteLine(wxXmlNode *root, AssDialogue *line) {
// If it doesn't start at the end of previous, add blank
wxXmlNode *node,*subNode;
if (prev && prev->End != line->Start) {
node = new wxXmlNode(wxXML_ELEMENT_NODE,_T("TextSample"));
node->AddProperty(_T("sampleTime"),_T("0") + prev->End.GetASSFormated(true));
node->AddProperty(_T("xml:space"),_T("preserve"));
subNode = new wxXmlNode(wxXML_TEXT_NODE,_T(""),_T(""));
node->AddChild(subNode);
root->AddChild(node);
}
// Generate and insert node
node = new wxXmlNode(wxXML_ELEMENT_NODE,_T("TextSample"));
node->AddProperty(_T("sampleTime"),_T("0") + line->Start.GetASSFormated(true));
node->AddProperty(_T("xml:space"),_T("preserve"));
subNode = new wxXmlNode(wxXML_TEXT_NODE,_T(""),line->Text);
node->AddChild(subNode);
root->AddChild(node);
// Set as previous
prev = line;
}
//////////////////////////////
// Converts whole file to TTXT
void TTXTSubtitleFormat::ConvertToTTXT () {
// Convert
SortLines();
Merge(true,true,true);
ConvertTags(1,_T("\r\n"));
// Find last line
AssTime lastTime;
for (std::list<AssEntry*>::reverse_iterator cur=Line->rbegin();cur!=Line->rend();cur++) {
AssDialogue *prev = AssEntry::GetAsDialogue(*cur);
if (prev) {
lastTime = prev->End;
break;
}
}
// Insert blank line at the end
AssDialogue *diag = new AssDialogue();
diag->Start = lastTime;
diag->End.SetMS(lastTime.GetMS()+Options.AsInt(_T("Timing Default Duration")));
diag->group = _T("[Events]");
diag->Style = _T("Default");
diag->Comment = false;
diag->StartMS = diag->Start.GetMS();
Line->push_back(diag);
}