Aegisub/aegilib/src/action.cpp

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// Copyright (c) 2008, 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/GORGONSUB
//
// Website: http://www.aegisub.net
// Contact: mailto:amz@aegisub.net
//
#include "gorgonsub.h"
using namespace Gorgonsub;
////////////////////////////////
// Get a section from the model
SectionPtr Action::GetSection(const Model &model,const String &name) const
{
return model.GetSection(name);
}
///////////////////////////// Insert line /////////////////////////////
///////////////
// Constructor
ActionInsert::ActionInsert(shared_ptr<SectionEntry> data,int line,const String &sName)
: entry(data), lineNumber(line), section(sName) {}
/////////////////////////////////
// Create anti-action for insert
ActionPtr ActionInsert::GetAntiAction(const Model &model) const
{
(void) model;
String sect = section;
if (section.IsEmpty()) sect = entry->GetDefaultGroup();
return ActionPtr(new ActionRemove(lineNumber,sect));
}
/////////////////////
// Execute insertion
void ActionInsert::Execute(Model &model)
{
// Find the section to insert it on
String sectionName = section;
if (sectionName.IsEmpty()) sectionName = entry->GetDefaultGroup();
SectionPtr sect = GetSection(model,sectionName);
// Insert the line
sect->AddEntry(entry,lineNumber);
}
///////////////////////////// Remove line /////////////////////////////
///////////////
// Constructor
ActionRemove::ActionRemove(int line,const String &sName)
: lineNumber(line), section(sName) {}
/////////////////////////////////
// Create anti-action for remove
ActionPtr ActionRemove::GetAntiAction(const Model &model) const
{
SectionPtr sect = GetSection(model,section);
SectionEntryPtr entry = sect->GetEntry(lineNumber);
return ActionPtr(new ActionInsert(entry,lineNumber,section));
}
///////////////////
// Execute removal
void ActionRemove::Execute(Model &model)
{
// Find the section to remote it from
String sect = section;
if (sect.IsEmpty()) throw Exception(Exception::TODO); // TODO
SectionPtr section = GetSection(model,sect);
// Remove the line
section->RemoveEntryByIndex(lineNumber);
}
///////////////////////////// Modify line /////////////////////////////
///////////////
// Constructor
ActionModify::ActionModify(shared_ptr<SectionEntry> data,int line,const String &sName)
: entry(data), lineNumber(line), section(sName) {}
/////////////////////////////////
// Create anti-action for insert
ActionPtr ActionModify::GetAntiAction(const Model &model) const
{
SectionPtr sect = GetSection(model,section);
SectionEntryPtr entry = sect->GetEntry(lineNumber);
return ActionPtr(new ActionModify(entry,lineNumber,section));
}
/////////////////////
// Execute insertion
void ActionModify::Execute(Model &model)
{
// Find the section to insert it on
String sectionName = section;
if (sectionName.IsEmpty()) sectionName = entry->GetDefaultGroup();
SectionPtr sect = GetSection(model,sectionName);
// Insert the line
sect->GetEntryRef(lineNumber) = entry;
}