Aegisub/core/subtitle_format_srt.cpp
Rodrigo Braz Monteiro 20c783f83d Early separation of the subtitle format parser/writer code
Originally committed to SVN as r180.
2006-02-26 22:45:34 +00:00

125 lines
3.7 KiB
C++

// Copyright (c) 2006, 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_srt.h"
#include "text_file_reader.h"
#include "ass_dialogue.h"
/////////////
// Can read?
bool SRTSubtitleFormatReader::CanReadFile(wxString filename) {
return (filename.Right(4).Lower() == _T(".srt"));
}
/////////////
// Read file
void SRTSubtitleFormatReader::ReadFile(wxString filename,wxString encoding) {
using namespace std;
// Reader
TextFileReader file(filename,encoding);
// Default
LoadDefault();
// Parse file
int linen = 1;
int fileLine = 0;
int mode = 0;
long templ;
AssDialogue *line = NULL;
while (file.HasMoreLines()) {
// Reads line
wxString curLine = file.ReadLineFromFile();
fileLine++;
switch (mode) {
case 0:
// Checks if there is anything to read
if (curLine.IsEmpty()) continue;
// Check if it's a line number
if (!curLine.IsNumber()) {
Clear();
throw wxString::Format(_T("Parse error on entry %i at line %i (expecting line number). Possible malformed file."),linen,fileLine);
}
// Read line number
curLine.ToLong(&templ);
if (templ != linen) {
linen = templ;
}
line = new AssDialogue();
mode = 1;
break;
case 1:
// Read timestamps
if (curLine.substr(13,3) != _T("-->")) {
Clear();
throw wxString::Format(_T("Parse error on entry %i at line %i (expecting timestamps). Possible malformed file."),linen,fileLine);
}
line->Start.ParseSRT(curLine.substr(0,12));
line->End.ParseSRT(curLine.substr(17,12));
mode = 2;
break;
case 2:
// Checks if it's done
if (curLine.IsEmpty()) {
mode = 0;
linen++;
line->group = _T("[Events]");
line->Style = _T("Default");
line->Comment = false;
line->UpdateData();
line->ParseSRTTags();
line->StartMS = line->Start.GetMS();
Line->push_back(line);
break;
}
// Append text
if (line->Text != _T("")) line->Text += _T("\\N");
line->Text += curLine;
break;
}
}
}