Aegisub/aegisub/src/ass_dialogue.cpp

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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
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
////////////
// Includes
#include "config.h"
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#include <fstream>
#include <wx/tokenzr.h>
#include <wx/regex.h>
#include "ass_dialogue.h"
#include "ass_override.h"
#include "vfr.h"
#include "utils.h"
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////////////////////// AssDialogue //////////////////////
// Constructs AssDialogue
AssDialogue::AssDialogue() {
group = _T("[Events]");
Valid = true;
Start.SetMS(0);
End.SetMS(5000);
StartMS = 0;
Layer = 0;
for (int i=0;i<4;i++) Margin[i] = 0;
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Text = _T("");
Style = _T("Default");
Actor = _T("");
Effect = _T("");
Comment = false;
UpdateData();
}
AssDialogue::AssDialogue(wxString _data,int version) {
// Set group
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group = _T("[Events]");
// Try parsing in different ways
int count = 0;
Valid = false;
while (!Valid && count < 3) {
Valid = Parse(_data,version);
count++;
version++;
if (version > 2) version = 0;
}
// Not valid
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if (!Valid) {
throw _T("Failed parsing line.");
}
// update
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UpdateData();
}
//////////////
// Destructor
AssDialogue::~AssDialogue () {
Clear();
}
/////////
// Clear
void AssDialogue::Clear () {
ClearBlocks();
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}
////////////////
// Clear blocks
void AssDialogue::ClearBlocks() {
using std::vector;
for (vector<AssDialogueBlock*>::iterator cur=Blocks.begin();cur!=Blocks.end();cur++) {
delete *cur;
}
Blocks.clear();
}
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//////////////////
// Parse ASS Data
bool AssDialogue::Parse(wxString rawData, int version) {
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size_t pos = 0;
wxString temp;
// Get type
if (rawData.StartsWith(_T("Dialogue:"))) {
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Comment = false;
pos = 10;
}
else if (rawData.StartsWith(_T("Comment:"))) {
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Comment = true;
pos = 9;
}
else return false;
wxStringTokenizer tkn(rawData.Mid(pos),_T(","),wxTOKEN_RET_EMPTY_ALL);
if (!tkn.HasMoreTokens()) return false;
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// Get first token and see if it has "Marked=" in it
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temp = tkn.GetNextToken().Trim(false).Trim(true);
if (temp.Lower().StartsWith(_T("marked="))) version = 0;
else if (version == 0) version = 1;
// Get layer number
if (version == 0) Layer = 0;
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else {
long templ;
temp.ToLong(&templ);
Layer = templ;
}
// Get start time
if (!tkn.HasMoreTokens()) return false;
Start.ParseASS(tkn.GetNextToken());
StartMS = Start.GetMS();
// Get end time
if (!tkn.HasMoreTokens()) return false;
End.ParseASS(tkn.GetNextToken());
// Get style
if (!tkn.HasMoreTokens()) return false;
Style = tkn.GetNextToken();
Style.Trim(true);
Style.Trim(false);
// Get actor
if (!tkn.HasMoreTokens()) return false;
Actor = tkn.GetNextToken();
Actor.Trim(true);
Actor.Trim(false);
// Get left margin
if (!tkn.HasMoreTokens()) return false;
SetMarginString(tkn.GetNextToken().Trim(false).Trim(true),0);
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// Get right margin
if (!tkn.HasMoreTokens()) return false;
SetMarginString(tkn.GetNextToken().Trim(false).Trim(true),1);
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// Get top margin
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if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken().Trim(false).Trim(true);
SetMarginString(temp,2);
if (version == 1) SetMarginString(temp,3);
// Get bottom margin
bool rollBack = false;
if (version == 2) {
if (!tkn.HasMoreTokens()) return false;
wxString oldTemp = temp;
temp = tkn.GetNextToken().Trim(false).Trim(true);
if (!temp.IsNumber()) {
version = 1;
rollBack = true;
}
}
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// Get effect
if (!rollBack) {
if (!tkn.HasMoreTokens()) return false;
temp = tkn.GetNextToken();
}
Effect = temp;
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Effect.Trim(true);
Effect.Trim(false);
// Get text
Text = rawData.Mid(pos+tkn.GetPosition());
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return true;
}
/////////////
// Make data
wxString AssDialogue::MakeData() {
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// Prepare
static wxString final = _T("");
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// Write all final
if (Comment) final = _T("Comment: ");
else final = _T("Dialogue: ");
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final += wxString::Format(_T("%01i"),Layer);
final += _T(",");
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final += Start.GetASSFormated() + _T(",");
final += End.GetASSFormated() + _T(",");
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Style.Replace(_T(","),_T(";"));
Actor.Replace(_T(","),_T(";"));
final += Style + _T(",");
final += Actor + _T(",");
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final += GetMarginString(0);
final += _T(",");
final += GetMarginString(1);
final += _T(",");
final += GetMarginString(2);
final += _T(",");
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Effect.Replace(_T(","),_T(";"));
final += Effect + _T(",");
final += Text;
// Make sure that final has no line breaks
final.Replace(_T("\n"),_T(""));
final.Replace(_T("\r"),_T(""));
// Return final
return final;
}
//////////////////////////////////
// Update AssDialogue's data line
void AssDialogue::UpdateData () {
}
//////////////////
// Get entry data
const wxString AssDialogue::GetEntryData() {
return MakeData();
}
//////////////////
// Set entry data
void AssDialogue::SetEntryData(wxString newData) {
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}
///////////////////////////////
// Get SSA version of Dialogue
wxString AssDialogue::GetSSAText () {
// Prepare
wxString work = _T("");
// Write all work
if (Comment) work += _T("Comment: ");
else work += _T("Dialogue: ");
work += _T("Marked=0,");
work += Start.GetASSFormated() + _T(",");
work += End.GetASSFormated() + _T(",");
Style.Replace(_T(","),_T(";"));
Actor.Replace(_T(","),_T(";"));
work += Style + _T(",");
work += Actor + _T(",");
work += GetMarginString(0);
work += _T(",");
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work += GetMarginString(1);
work += _T(",");
work += GetMarginString(2);
work += _T(",");
Effect.Replace(_T(","),_T(";"));
work += Effect + _T(",");
work += Text;
return work;
}
//////////////////
// Parse SRT tags
// --------------
// Yea, I convert to ASS tags, then parse that. So sue me.
void AssDialogue::ParseSRTTags () {
// Search and replace
size_t total = 0;
total += Text.Replace(_T("<i>"),_T("{\\i1}"));
total += Text.Replace(_T("</i>"),_T("{\\i0}"));
total += Text.Replace(_T("<b>"),_T("{\\b1}"));
total += Text.Replace(_T("</b>"),_T("{\\b0}"));
total += Text.Replace(_T("<u>"),_T("{\\u1}"));
total += Text.Replace(_T("</u>"),_T("{\\u0}"));
total += Text.Replace(_T("<s>"),_T("{\\s1}"));
total += Text.Replace(_T("</s>"),_T("{\\s0}"));
// Process <font> tag
wxString work = Text;
work.UpperCase();
size_t pos_open = 0;
size_t pos_close = 0;
size_t pos = 0;
size_t end = 0;
size_t start = 0;
bool isOpen;
// Iterate
pos_open = work.find(_T("<FONT"),0);
pos_close = work.find(_T("</FONT"),0);
while (pos_open != wxString::npos || pos_close != wxString::npos) {
// Determine if it's an open or close tag
if (pos_open < pos_close) {
start = pos_open;
isOpen = true;
}
else {
start = pos_close;
isOpen = false;
}
end = work.find(_T(">"),start)+1;
//if (end == wxString::npos) continue;
// Open tag
if (isOpen) {
wxString replaced = _T("");
// Color tag
if ((pos = work.find(_T("COLOR=\""),start)) != wxString::npos) {
if (pos < end) {
pos += 7;
size_t end_tag = Text.find(_T("\""),pos);
if (end_tag != wxString::npos) {
if (end_tag-pos == 7) {
replaced += _T("{\\c&H");
replaced += work.substr(pos+5,2);
replaced += work.substr(pos+3,2);
replaced += work.substr(pos+1,2);
replaced += _T("&}");
total++;
}
}
}
}
// Face tag
if ((pos = work.find(_T("FACE=\""),start)) != wxString::npos) {
if (pos < end) {
pos += 6;
size_t end_tag = work.find(_T("\""),pos);
if (end_tag != wxString::npos) {
replaced += _T("{\\fn");
replaced += work.substr(pos,end_tag-pos);
replaced += _T("}");
total++;
}
}
}
// Size tag
if ((pos = work.find(_T("SIZE=\""),start)) != wxString::npos) {
if (pos < end) {
pos += 6;
size_t end_tag = Text.find(_T("\""),pos);
if (end_tag != wxString::npos) {
replaced += _T("{\\fs");
replaced += work.substr(pos,end_tag-pos);
replaced += _T("}");
total++;
}
}
}
// Replace whole tag
//Text = Text.substr(0,start) + replaced + Text.substr(end);
Text = Text.substr(0, start);
Text << replaced << Text.substr(end);
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total++;
}
// Close tag
else {
// Find if it's italic, bold, underline, and strikeout
wxString prev = Text.Left(start);
bool isItalic=false,isBold=false,isUnder=false,isStrike=false;
if (CountMatches(prev,_T("{\\i1}")) > CountMatches(prev,_T("{\\i0}"))) isItalic = true;
if (CountMatches(prev,_T("{\\b1}")) > CountMatches(prev,_T("{\\b0}"))) isBold = true;
if (CountMatches(prev,_T("{\\u1}")) > CountMatches(prev,_T("{\\u0}"))) isUnder = true;
if (CountMatches(prev,_T("{\\s1}")) > CountMatches(prev,_T("{\\s0}"))) isStrike = true;
// Generate new tag, by reseting and then restoring flags
wxString replaced = _T("{\\r");
if (isItalic) replaced += _T("\\i1");
if (isBold) replaced += _T("\\b1");
if (isUnder) replaced += _T("\\u1");
if (isStrike) replaced += _T("\\s1");
replaced += _T("}");
// Replace
//Text = Text.substr(0,start) + replaced + Text.substr(end);
Text = Text.substr(0, start);
Text << replaced << Text.substr(end);
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total++;
}
// Get next
work = Text;
work.UpperCase();
pos_open = work.find(_T("<FONT"),0);
pos_close = work.find(_T("</FONT"),0);
}
// Remove double tagging
Text.Replace(_T("}{"),_T(""));
// Update all stuff
//if (total > 0) UpdateText();
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UpdateData();
}
//////////////////
// Parse ASS tags
void AssDialogue::ParseASSTags () {
// Clear blocks
ClearBlocks();
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// Is drawing?
int drawingLevel = 0;
// Loop through
const size_t len = Text.size();
size_t cur = 0;
size_t end = 0;
while (cur < len) {
// Overrides block
if (Text[cur] == '{') {
// Get contents of block
wxString work;
end = Text.find(_T("}"),cur);
if (end == wxString::npos) {
work = Text.substr(cur);
end = len;
}
else work = Text.substr(cur,end-cur+1);
if (work.Find(_T("\\")) == wxNOT_FOUND) {
//We've found an override block with no backslashes
//We're going to assume it's a comment and not consider it an override block
//Currently we'll treat this as a plain text block, but feel free to create a new class
AssDialogueBlockPlain *block = new AssDialogueBlockPlain;
block->text = work;
Blocks.push_back(block);
}
else {
work = work.substr(1,work.Len()-2); // trim { and }
// Create block
AssDialogueBlockOverride *block = new AssDialogueBlockOverride;
block->parent = this;
block->text = work;
block->ParseTags();
Blocks.push_back(block);
// Look for \p in block
std::vector<AssOverrideTag*>::iterator curTag;
for (curTag = block->Tags.begin();curTag != block->Tags.end();curTag++) {
AssOverrideTag *tag = *curTag;
if (tag->Name == _T("\\p")) {
drawingLevel = tag->Params.at(0)->AsInt();
}
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}
}
// Increase
cur = end+1;
}
// Plain-text/drawing block
else {
wxString work;
end = Text.find(_T("{"),cur);
if (end == wxString::npos) {
work = Text.substr(cur);
end = len;
}
else work = Text.substr(cur,end-cur);
// Plain-text
if (drawingLevel == 0) {
AssDialogueBlockPlain *block = new AssDialogueBlockPlain;
block->text = work;
Blocks.push_back(block);
}
// Drawing
else {
AssDialogueBlockDrawing *block = new AssDialogueBlockDrawing;
block->text = work;
block->Scale = drawingLevel;
Blocks.push_back(block);
}
cur = end;
}
}
// Empty line, make an empty block
if (len == 0) {
AssDialogueBlockPlain *block = new AssDialogueBlockPlain;
block->text = _T("");
Blocks.push_back(block);
}
}
//////////////
// Strip tags
void AssDialogue::StripTags () {
static wxRegEx reg(_T("\\{[^\\{]*\\}"),wxRE_ADVANCED);
reg.Replace(&Text,_T(""));
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}
////////////////////////
// Strip a specific tag
void AssDialogue::StripTag (wxString tagName) {
// Parse
using std::list;
using std::vector;
ParseASSTags();
wxString final;
// Look for blocks
for (vector<AssDialogueBlock*>::iterator cur=Blocks.begin();cur!=Blocks.end();cur++) {
if ((*cur)->GetType() == BLOCK_OVERRIDE) {
AssDialogueBlockOverride *over = AssDialogueBlock::GetAsOverride(*cur);
wxString temp;
for (size_t i=0;i<over->Tags.size();i++) {
if (over->Tags[i]->Name != tagName) temp += over->Tags[i]->ToString();
}
// Insert
if (!temp.IsEmpty()) final += _T("{") + temp + _T("}");
}
else final += (*cur)->GetText();
}
// Update
ClearBlocks();
Text = final;
UpdateData();
}
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///////////////////////
// Convert tags to SRT
// -------------------
// TODO: Improve this code
//
void AssDialogue::ConvertTagsToSRT () {
// Setup
using std::list;
using std::vector;
AssDialogueBlockOverride* curBlock;
AssDialogueBlockPlain *curPlain;
AssOverrideTag* curTag;
wxString final = _T("");
bool isItalic=false,isBold=false,isUnder=false,isStrike=false;
bool temp;
// Iterate through blocks
ParseASSTags();
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for (size_t i=0;i<Blocks.size();i++) {
curBlock = AssDialogueBlock::GetAsOverride(Blocks.at(i));
if (curBlock) {
// Iterate through overrides
for (size_t j=0;j<curBlock->Tags.size();j++) {
curTag = curBlock->Tags.at(j);
if (curTag->IsValid()) {
// Italics
if (curTag->Name == _T("\\i")) {
temp = curTag->Params.at(0)->AsBool();
if (temp && !isItalic) {
isItalic = true;
final += _T("<i>");
}
if (!temp && isItalic) {
isItalic = false;
final += _T("</i>");
}
}
// Underline
if (curTag->Name == _T("\\u")) {
temp = curTag->Params.at(0)->AsBool();
if (temp && !isUnder) {
isUnder = true;
final += _T("<u>");
}
if (!temp && isUnder) {
isUnder = false;
final += _T("</u>");
}
}
// Strikeout
if (curTag->Name == _T("\\s")) {
temp = curTag->Params.at(0)->AsBool();
if (temp && !isStrike) {
isStrike = true;
final += _T("<s>");
}
if (!temp && isStrike) {
isStrike = false;
final += _T("</s>");
}
}
// Bold
if (curTag->Name == _T("\\b")) {
temp = curTag->Params.at(0)->AsBool();
if (temp && !isBold) {
isBold = true;
final += _T("<b>");
}
if (!temp && isBold) {
isBold = false;
final += _T("</b>");
}
}
}
}
}
// Plain text
else {
curPlain = AssDialogueBlock::GetAsPlain(Blocks.at(i));
if (curPlain) {
final += curPlain->GetText();
}
}
}
Text = final;
UpdateData();
ClearBlocks();
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}
//////////////////////////
// Updates text from tags
void AssDialogue::UpdateText () {
using std::vector;
Text = _T("");
for (vector<AssDialogueBlock*>::iterator cur=Blocks.begin();cur!=Blocks.end();cur++) {
if ((*cur)->GetType() == BLOCK_OVERRIDE) {
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Text += _T("{");
Text += (*cur)->GetText();
Text += _T("}");
}
else Text += (*cur)->GetText();
}
}
/////////////////////////////
// Sets margin from a string
void AssDialogue::SetMarginString(const wxString origvalue,int which) {
// Make it numeric
wxString strvalue = origvalue;
if (!strvalue.IsNumber()) {
strvalue = _T("");
for (size_t i=0;i<origvalue.Length();i++) {
if (origvalue.Mid(i,1).IsNumber()) {
strvalue += origvalue.Mid(i,1);
}
}
}
// Get value
long value;
strvalue.ToLong(&value);
// Cap it
if (value < 0) value = 0;
if (value > 9999) value = 9999;
// Assign
if (which < 0 || which >= 4) throw _T("Invalid margin id");
Margin[which] = value;
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}
//////////////////////////
// Gets string for margin
wxString AssDialogue::GetMarginString(int which,bool pad) {
if (which < 0 || which >= 4) throw _T("Invalid margin id");
int value = Margin[which];
if (pad) return wxString::Format(_T("%04i"),value);
else return wxString::Format(_T("%i"),value);
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}
///////////////////////////////////
// Process parameters via callback
void AssDialogue::ProcessParameters(void (*callback)(wxString tagName,int par_n,AssOverrideParameter *param,void *userData),void *userData) {
// Apply for all override blocks
AssDialogueBlockOverride *curBlock;
//ParseASSTags();
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for (std::vector<AssDialogueBlock*>::iterator cur=Blocks.begin();cur!=Blocks.end();cur++) {
if ((*cur)->GetType() == BLOCK_OVERRIDE) {
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curBlock = static_cast<AssDialogueBlockOverride*> (*cur);
curBlock->ProcessParameters(callback,userData);
}
}
//ClearBlocks();
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}
///////////////////////////////
// Checks if two lines collide
bool AssDialogue::CollidesWith(AssDialogue *target) {
if (!target) return false;
int a = Start.GetMS();
int b = End.GetMS();
int c = target->Start.GetMS();
int d = target->End.GetMS();
return ((a < c) ? (c < b) : (a < d));
}
////////////////////////
// Return just the text without any overrides
wxString AssDialogue::GetStrippedText() {
wxString justtext = wxString(_T(""));
bool inCode = false;
for (size_t charindex = 0; charindex != Text.Len(); charindex++) {
if (Text[charindex] == '{') inCode = true;
else if (Text[charindex] == '}') inCode = false;
else if (!inCode) justtext = justtext + Text[charindex];
}
return justtext;
}
/////////
// Clone
AssEntry *AssDialogue::Clone() {
// Create clone
AssDialogue *final = new AssDialogue();
// Copy data
final->group = group;
final->Valid = Valid;
final->Actor = Actor;
final->Comment = Comment;
final->Effect = Effect;
final->End = End;
final->Layer = Layer;
for (int i=0;i<4;i++) final->Margin[i] = Margin[i];
final->Start = Start;
final->StartMS = Start.GetMS(); // Assume that StartMS might not be valid, because something altered Start without altering StartMS
final->Style = Style;
final->Text = Text;
//final->SetEntryData(GetEntryData());
// Return
return final;
}
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////////////////////// AssDialogueBlock //////////////////////
///////////////
// Constructor
AssDialogueBlock::AssDialogueBlock () {
}
//////////////
// Destructor
AssDialogueBlock::~AssDialogueBlock () {
}
////////////////////////////
// Returns as a plain block
// ----------------------
// If it isn't a plain block, returns NULL
AssDialogueBlockPlain *AssDialogueBlock::GetAsPlain(AssDialogueBlock *base) {
if (!base) return NULL;
if (base->GetType() == BLOCK_PLAIN) {
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return static_cast<AssDialogueBlockPlain*> (base);
}
return NULL;
}
////////////////////////////////
// Returns as an override block
// ----------------------------
// If it isn't an override block, returns NULL
AssDialogueBlockOverride *AssDialogueBlock::GetAsOverride(AssDialogueBlock *base) {
if (!base) return NULL;
if (base->GetType() == BLOCK_OVERRIDE) {
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return static_cast<AssDialogueBlockOverride*> (base);
}
return NULL;
}
//////////////////////////////
// Returns as a drawing block
// ----------------------------
// If it isn't an drawing block, returns NULL
AssDialogueBlockDrawing *AssDialogueBlock::GetAsDrawing(AssDialogueBlock *base) {
if (!base) return NULL;
if (base->GetType() == BLOCK_DRAWING) {
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return static_cast<AssDialogueBlockDrawing*> (base);
}
return NULL;
}
////////////////////// AssDialogueBlockPlain //////////////////////
///////////////
// Constructor
AssDialogueBlockPlain::AssDialogueBlockPlain () {
}
////////////////////// AssDialogueBlockDrawing //////////////////////
///////////////
// Constructor
AssDialogueBlockDrawing::AssDialogueBlockDrawing () {
}
////////////////////////
// Multiply coordinates
void AssDialogueBlockDrawing::TransformCoords(int mx,int my,double x,double y) {
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// HACK: Implement a proper parser ffs!!
wxStringTokenizer tkn(GetText(),_T(" "),wxTOKEN_DEFAULT);
wxString cur;
wxString final;
bool isX = true;
long temp;
// Process tokens
while (tkn.HasMoreTokens()) {
cur = tkn.GetNextToken().Lower();
// Number, process it
if (cur.IsNumber()) {
// Transform it
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cur.ToLong(&temp);
if (isX) temp = (long int)((temp+mx)*x + 0.5);
else temp = (long int)((temp+my)*y + 0.5);
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// Write back to list
final += wxString::Format(_T("%i "),temp);
// Toggle X/Y
isX = !isX;
}
// Text
else {
if (cur == _T("m") || cur == _T("n") || cur == _T("l") || cur == _T("b") || cur == _T("s") || cur == _T("p") || cur == _T("c")) isX = true;
final += cur + _T(" ");
}
}
// Write back final
final = final.Left(final.Length()-1);
text = final;
}