624 lines
17 KiB
C++
624 lines
17 KiB
C++
#include "stdafx.h"
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#include <Project64-core/N64System/Enhancement/EnhancementFile.h>
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#pragma warning(disable:4996)
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CEnhancmentFile::CEnhancmentFile(const char * FileName, const char * Ident) :
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m_Ident(Ident),
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m_lastSectionSearch(0),
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m_CurrentSectionFilePos(0),
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m_CurrentSectionDirty(false),
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m_ReadOnly(false),
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m_FileName(FileName),
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m_LineFeed("\r\n")
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{
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OpenFile();
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}
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CEnhancmentFile::~CEnhancmentFile()
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{
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SaveCurrentSection();
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}
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void CEnhancmentFile::GetSections(SectionList & sections)
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{
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sections.clear();
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CGuard Guard(m_CS);
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if (!m_File.IsOpen())
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{
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return;
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}
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MoveToSection(stdstr_f("DoesNotExist%d%d%d", rand(), rand(), rand()).c_str(), false);
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for (FILELOC::const_iterator iter = m_SectionsPos.begin(); iter != m_SectionsPos.end(); iter++)
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{
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sections.insert(iter->first);
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}
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}
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void CEnhancmentFile::SetName(const char * Section, const char * Name)
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{
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CGuard Guard(m_CS);
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if (!m_File.IsOpen())
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{
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return;
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}
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MoveToSection(Section, true);
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if (strcmp(m_SectionName.c_str(), Name) != 0)
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{
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m_SectionName = Name;
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m_CurrentSectionDirty = true;
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}
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}
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bool CEnhancmentFile::AddEnhancement(const char * Section, const CEnhancement & Details)
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{
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CGuard Guard(m_CS);
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if (!m_File.IsOpen() || m_ReadOnly)
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{
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return false;
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}
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MoveToSection(Section, true);
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if (AddEnhancement(Details))
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{
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m_CurrentSectionDirty = true;
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return true;
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}
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return false;
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}
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bool CEnhancmentFile::GetEnhancementList(const char * Section, CEnhancementList & List)
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{
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CGuard Guard(m_CS);
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if (!m_File.IsOpen())
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{
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return false;
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}
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if (!MoveToSection(Section, true))
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{
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return false;
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}
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List = m_EnhancementList;
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return true;
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}
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bool CEnhancmentFile::RemoveEnhancements(const char * Section)
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{
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CGuard Guard(m_CS);
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if (!m_File.IsOpen())
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{
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return false;
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}
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if (!MoveToSection(Section, true))
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{
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return false;
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}
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if (m_EnhancementList.size() > 0)
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{
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m_EnhancementList.clear();
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m_CurrentSectionDirty = true;
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}
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return true;
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}
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bool CEnhancmentFile::GetName(const char * Section, std::string &Name)
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{
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CGuard Guard(m_CS);
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if (!m_File.IsOpen())
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{
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return false;
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}
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if (!MoveToSection(Section, true))
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{
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return false;
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}
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Name = m_SectionName;
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return true;
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}
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bool CEnhancmentFile::AddEnhancement(const CEnhancement & Details)
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{
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CEnhancementList::iterator itr = m_EnhancementList.FindItem(Details.GetName());
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if (itr != m_EnhancementList.end())
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{
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return false;
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}
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m_EnhancementList.AddItem(Details);
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return true;
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}
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void CEnhancmentFile::OpenFile(void)
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{
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m_ReadOnly = false;
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if (!m_File.Open(m_FileName.c_str(), CFileBase::modeReadWrite | CFileBase::shareDenyWrite))
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{
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if (!m_File.Open(m_FileName.c_str(), CFileBase::modeRead))
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{
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if (!m_File.Open(m_FileName.c_str(), CFileBase::modeReadWrite | CFileBase::modeCreate | CFileBase::shareDenyWrite))
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{
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return;
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}
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}
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else
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{
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m_ReadOnly = true;
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}
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}
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m_File.Seek(0, CFileBase::begin);
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}
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bool CEnhancmentFile::MoveToSection(const char * Section, bool ChangeCurrentSection)
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{
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if (ChangeCurrentSection)
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{
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SaveCurrentSection();
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m_CurrentSection = "";
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m_SectionName.clear();
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m_EnhancementList.clear();
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}
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std::unique_ptr<char> Data;
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char *Input = NULL;
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int MaxDataSize = 0, DataSize = 0, ReadPos = 0, result;
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FILELOC_ITR iter = m_SectionsPos.find(std::string(Section));
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bool bFoundSection = false;
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if (iter != m_SectionsPos.end())
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{
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if (ChangeCurrentSection)
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{
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m_CurrentSection = iter->first;
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m_CurrentSectionFilePos = iter->second;
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}
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m_File.Seek(iter->second, CFileBase::begin);
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bFoundSection = true;
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}
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else
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{
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m_File.Seek(m_lastSectionSearch, CFileBase::begin);
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//long Fpos;
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uint8_t pUTF8[3];
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pUTF8[0] = 0xef;
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pUTF8[1] = 0xbb;
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pUTF8[2] = 0xbf;
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do
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{
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result = GetStringFromFile(Input, Data, MaxDataSize, DataSize, ReadPos);
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if (result <= 1) { continue; }
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if (strlen(CleanLine(Input)) <= 1) { continue; }
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//We Only care about sections
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char * CurrentSection = Input;
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if (m_lastSectionSearch == 0 && !memcmp(CurrentSection, pUTF8, 3))
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{
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CurrentSection += 3;
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}
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if (CurrentSection[0] != '[') { continue; }
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int lineEndPos = (int)strlen(CurrentSection) - 1;
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if (CurrentSection[lineEndPos] != ']') { continue; }
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//take off the ']' from the end of the string
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CurrentSection[lineEndPos] = 0;
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CurrentSection += 1;
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m_lastSectionSearch = (m_File.GetPosition() - DataSize) + ReadPos;
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m_SectionsPos.insert(FILELOC::value_type(CurrentSection, m_lastSectionSearch));
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if (_stricmp(Section, CurrentSection) != 0)
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{
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continue;
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}
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if (ChangeCurrentSection)
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{
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m_CurrentSection = Section;
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m_CurrentSectionFilePos = m_lastSectionSearch;
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}
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else
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{
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m_File.Seek(m_lastSectionSearch, CFileBase::begin);
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}
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bFoundSection = true;
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break;
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} while (result >= 0);
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}
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if (bFoundSection && ChangeCurrentSection)
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{
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do
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{
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result = GetStringFromFile(Input, Data, MaxDataSize, DataSize, ReadPos);
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if (result <= 1) { continue; }
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if (strlen(CleanLine(Input)) <= 1) { continue; }
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if (Input[0] == '[') { break; }
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char * Pos = strchr(Input, '=');
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if (Input[0] == '$')
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{
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std::string Entry = Input;
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do
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{
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result = GetStringFromFile(Input, Data, MaxDataSize, DataSize, ReadPos);
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if (result <= 1 || strlen(CleanLine(Input)) <= 1)
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{
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break;
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}
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else
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{
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Entry += m_LineFeed;
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Entry += Input;
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}
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} while (result >= 0);
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CEnhancement Enhancement(m_Ident.c_str(), Entry.c_str());
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if (Enhancement.Valid())
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{
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AddEnhancement(Enhancement);
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}
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}
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else if (Pos != nullptr)
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{
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char * Value = &Pos[1];
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char * Pos1 = Pos - 1;
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while (((*Pos1 == ' ') || (*Pos1 == '\t')) && (Pos1 > Input))
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{
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Pos1--;
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}
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Pos1[1] = 0;
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if (stricmp(Input, "Name") == 0)
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{
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m_SectionName = Value;
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}
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}
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} while (result >= 0);
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}
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if (!bFoundSection && ChangeCurrentSection)
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{
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m_CurrentSection = Section;
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m_EnhancementList.clear();
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m_CurrentSectionFilePos = -1;
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}
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return bFoundSection;
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}
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void CEnhancmentFile::SaveCurrentSection(void)
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{
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if (!m_CurrentSectionDirty)
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{
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return;
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}
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m_CurrentSectionDirty = false;
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std::string Section;
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if (!m_SectionName.empty())
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{
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Section = stdstr_f("Name=%s%s%s", m_SectionName.c_str(), m_LineFeed, m_LineFeed);
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}
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for (CEnhancementList::iterator iter = m_EnhancementList.begin(); iter != m_EnhancementList.end(); iter++)
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{
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CEnhancement & Enhancement = iter->second;
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if (Enhancement.GetName().empty())
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{
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continue;
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}
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Section += stdstr_f("$%s%s", Enhancement.GetName().c_str(), m_LineFeed);
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if (!Enhancement.GetPluginList().empty())
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{
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const CEnhancement::PluginList & List = Enhancement.GetPluginList();
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std::string PluginList;
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for (size_t i = 0, n = List.size(); i < n; i++)
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{
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if (i > 0)
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{
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PluginList += ",";
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}
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PluginList += List[i].c_str();
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}
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Section += stdstr_f("PluginList=%s%s", PluginList.c_str() , m_LineFeed);
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}
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if (Enhancement.GetOnByDefault())
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{
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Section += stdstr_f("OnByDefault=1%s", m_LineFeed);
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}
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if (Enhancement.OverClock())
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{
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Section += stdstr_f("OverClock=%d%s", Enhancement.OverClockModifier(), m_LineFeed);
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}
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if (!Enhancement.GetNote().empty())
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{
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Section += stdstr_f("Note=%s%s", Enhancement.GetNote().c_str(), m_LineFeed);
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}
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const CEnhancement::CodeEntries & Entries = Enhancement.GetEntries();
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for (size_t i = 0, n = Entries.size(); i < n; i++)
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{
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Section += stdstr_f("%08X %s%s", Entries[i].Command, Entries[i].Value.c_str(), m_LineFeed);
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}
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const CEnhancement::CodeOptions & Options = Enhancement.GetOptions();
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for (size_t i = 0, n = Options.size(); i < n; i++)
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{
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if (Enhancement.CodeOptionSize() == 4)
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{
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Section += stdstr_f("%04X %s%s", Options[i].Value, Options[i].Name.c_str(), m_LineFeed);
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}
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else if (Enhancement.CodeOptionSize() == 2)
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{
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Section += stdstr_f("%02X %s%s", Options[i].Value, Options[i].Name.c_str(), m_LineFeed);
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}
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}
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Section += m_LineFeed;
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}
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int lineFeedLen = (int)strlen(m_LineFeed);
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if (m_CurrentSectionFilePos == -1)
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{
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m_File.Seek(0, CFileBase::end);
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int len = (int)m_CurrentSection.length() + (lineFeedLen * 2) + 5;
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std::unique_ptr<char> SectionName(new char[len]);
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if (m_File.GetLength() < (int)strlen(m_LineFeed))
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{
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sprintf(SectionName.get(), "[%s]%s", m_CurrentSection.c_str(), m_LineFeed);
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}
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else
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{
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sprintf(SectionName.get(), "%s[%s]%s", m_LineFeed, m_CurrentSection.c_str(), m_LineFeed);
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}
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m_File.Write(SectionName.get(), (int)strlen(SectionName.get()));
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m_CurrentSectionFilePos = m_File.GetPosition();
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m_SectionsPos.insert(FILELOC::value_type(m_CurrentSection, m_CurrentSectionFilePos));
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}
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else
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{
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int NeededBufferLen = Section.length();
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int currentLen = 0;
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m_File.Seek(m_CurrentSectionFilePos, CFileBase::begin);
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int MaxDataSize = 0, DataSize = 0, ReadPos = 0, result;
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std::unique_ptr<char> Data;
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char *Input = NULL;
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//Skip first line as it is the section name
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int StartPos = m_CurrentSectionFilePos;
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int EndPos = StartPos;
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do
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{
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result = GetStringFromFile(Input, Data, MaxDataSize, DataSize, ReadPos);
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if (result <= 1) { continue; }
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if (strlen(CleanLine(Input)) <= 1 || Input[0] != '[')
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{
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EndPos = ((m_File.GetPosition() - DataSize) + ReadPos);
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continue;
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}
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if (Input[0] == '[')
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{
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NeededBufferLen += lineFeedLen;
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}
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break;
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} while (result >= 0);
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currentLen = EndPos - StartPos;
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if (NeededBufferLen != currentLen)
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{
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fInsertSpaces(StartPos, NeededBufferLen - currentLen);
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m_File.Flush();
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ClearSectionPosList(StartPos);
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}
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m_File.Seek(StartPos, CFileBase::begin);
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}
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m_File.Write(Section.data(), Section.length());
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}
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int CEnhancmentFile::GetStringFromFile(char * & String, std::unique_ptr<char> & Data, int & MaxDataSize, int & DataSize, int & ReadPos)
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{
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enum { BufferIncrease = 0x2000 };
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if (MaxDataSize == 0)
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{
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ReadPos = 0;
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MaxDataSize = BufferIncrease;
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Data.reset(new char[MaxDataSize]);
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DataSize = m_File.Read(&Data.get()[DataSize], MaxDataSize);
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}
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for (;;)
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{
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int count;
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for (count = ReadPos; count < DataSize; count++)
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{
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if (Data.get()[count] == '\n')
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{
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int len = (count - ReadPos) + 1;
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String = &Data.get()[ReadPos];
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String[len - 1] = 0;
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ReadPos = count + 1;
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return len;
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}
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}
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if (ReadPos != 0)
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{
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if ((DataSize - ReadPos) > 0)
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{
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memmove(Data.get(), &Data.get()[ReadPos], DataSize - ReadPos);
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}
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DataSize -= ReadPos;
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ReadPos = 0;
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}
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else
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{
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//Increase buffer size
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int NewMaxDataSize = MaxDataSize + BufferIncrease;
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char * NewBuffer = new char[NewMaxDataSize];
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if (NewBuffer == NULL)
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{
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return -1;
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}
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memcpy(NewBuffer, Data.get(), DataSize);
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MaxDataSize = NewMaxDataSize;
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Data.reset(NewBuffer);
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}
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int dwRead = m_File.Read(&Data.get()[DataSize], MaxDataSize - DataSize);
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if (dwRead == 0)
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{
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if (DataSize > 0)
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{
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int len = DataSize + 1;
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String = &Data.get()[ReadPos];
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String[len - 1] = 0;
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DataSize = 0;
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ReadPos = 0;
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return len;
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}
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return -1;
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}
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DataSize += dwRead;
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}
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}
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const char * CEnhancmentFile::CleanLine(char * Line)
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{
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char * Pos = Line;
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//Remove any comment from the line
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while (Pos != NULL)
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{
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Pos = strchr(Pos, '/');
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if (Pos != NULL)
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{
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if (Pos[1] == '/')
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{
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if (Pos > Line)
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{
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char * Pos_1 = Pos - 1;
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if (Pos_1[0] != ':')
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{
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Pos[0] = 0;
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}
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else
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{
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Pos += 1;
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}
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}
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else
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{
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Pos[0] = 0;
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}
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}
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else
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{
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Pos += 1;
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}
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}
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}
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//strip any spaces or line feeds from the end of the line
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for (int32_t i = (int32_t)strlen(&Line[0]) - 1; i >= 0; i--)
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{
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if (Line[i] != ' ' && Line[i] != '\r')
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{
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break;
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}
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Line[i] = 0;
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}
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return Line;
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}
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void CEnhancmentFile::fInsertSpaces(int Pos, int NoOfSpaces)
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{
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enum { fIS_MvSize = 0x2000 };
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unsigned char Data[fIS_MvSize + 1];
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int SizeToRead, result;
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long end, WritePos;
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m_File.Seek(0, CFileBase::end);
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end = m_File.GetPosition();
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if (NoOfSpaces > 0)
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{
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std::string SpaceBuffer = stdstr_f("%*c", NoOfSpaces, ' ');
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do
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{
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SizeToRead = end - Pos;
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if (SizeToRead > fIS_MvSize) { SizeToRead = fIS_MvSize; }
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if (SizeToRead > 0)
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{
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m_File.Seek(SizeToRead * -1, CFileBase::current);
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WritePos = m_File.GetPosition();
|
|
memset(Data, 0, sizeof(Data));
|
|
result = m_File.Read(Data, SizeToRead);
|
|
m_File.Seek(WritePos, CFileBase::begin);
|
|
end = WritePos;
|
|
|
|
m_File.Write(SpaceBuffer.c_str(), (uint32_t)SpaceBuffer.length());
|
|
m_File.Write(Data, result);
|
|
m_File.Seek(WritePos, CFileBase::begin);
|
|
}
|
|
} while (SizeToRead > 0);
|
|
}
|
|
if (NoOfSpaces < 0)
|
|
{
|
|
int ReadPos = Pos + (NoOfSpaces * -1);
|
|
WritePos = Pos;
|
|
|
|
do
|
|
{
|
|
SizeToRead = end - ReadPos;
|
|
if (SizeToRead > fIS_MvSize) { SizeToRead = fIS_MvSize; }
|
|
m_File.Seek(ReadPos, CFileBase::begin);
|
|
m_File.Read(Data, SizeToRead);
|
|
m_File.Seek(WritePos, CFileBase::begin);
|
|
m_File.Write(Data, SizeToRead);
|
|
ReadPos += SizeToRead;
|
|
WritePos += SizeToRead;
|
|
} while (SizeToRead > 0);
|
|
|
|
m_File.Seek(WritePos, CFileBase::begin);
|
|
std::string SpaceBuffer = stdstr_f("%*c", (NoOfSpaces * -1), ' ');
|
|
m_File.Write(SpaceBuffer.c_str(), (uint32_t)SpaceBuffer.length());
|
|
|
|
m_File.Seek(WritePos, CFileBase::begin);
|
|
m_File.SetEndOfFile();
|
|
m_File.Seek(0, CFileBase::begin);
|
|
}
|
|
}
|
|
|
|
void CEnhancmentFile::ClearSectionPosList(long FilePos)
|
|
{
|
|
if (FilePos <= 0)
|
|
{
|
|
m_SectionsPos.clear();
|
|
m_lastSectionSearch = 0;
|
|
}
|
|
else
|
|
{
|
|
FILELOC::iterator iter = m_SectionsPos.begin();
|
|
while (iter != m_SectionsPos.end())
|
|
{
|
|
FILELOC::iterator CurrentIter = iter;
|
|
iter++;
|
|
long TestFilePos = CurrentIter->second;
|
|
if (TestFilePos > FilePos)
|
|
{
|
|
m_SectionsPos.erase(CurrentIter);
|
|
}
|
|
}
|
|
m_lastSectionSearch = FilePos;
|
|
}
|
|
}
|
|
|