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133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
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/* If you are missing that file, acquire a complete release at teeworlds.com. */
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#include <engine/config.h>
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#include <engine/shared/config.h>
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#include <engine/shared/protocol.h>
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#include <engine/storage.h>
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CConfig g_Config;
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void EscapeParam(char *pDst, const char *pSrc, int Size)
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{
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str_escape(&pDst, pSrc, pDst + Size);
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}
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CConfigManager::CConfigManager()
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{
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m_pStorage = 0;
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m_ConfigFile = 0;
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m_NumCallbacks = 0;
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m_Failed = false;
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}
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void CConfigManager::Init()
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{
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m_pStorage = Kernel()->RequestInterface<IStorage>();
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Reset();
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}
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void CConfigManager::Reset()
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{
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#define MACRO_CONFIG_INT(Name, ScriptName, def, min, max, flags, desc) g_Config.m_##Name = def;
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#define MACRO_CONFIG_COL(Name, ScriptName, def, flags, desc) MACRO_CONFIG_INT(Name, ScriptName, def, 0, 0, flags, desc)
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#define MACRO_CONFIG_STR(Name, ScriptName, len, def, flags, desc) str_copy(g_Config.m_##Name, def, len);
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#include "config_variables.h"
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#undef MACRO_CONFIG_INT
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#undef MACRO_CONFIG_COL
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#undef MACRO_CONFIG_STR
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}
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bool CConfigManager::Save()
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{
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if(!m_pStorage || !g_Config.m_ClSaveSettings)
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return true;
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char aConfigFileTmp[64];
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str_format(aConfigFileTmp, sizeof(aConfigFileTmp), CONFIG_FILE ".%d.tmp", pid());
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m_ConfigFile = m_pStorage->OpenFile(aConfigFileTmp, IOFLAG_WRITE, IStorage::TYPE_SAVE);
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if(!m_ConfigFile)
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{
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dbg_msg("config", "ERROR: opening %s failed", aConfigFileTmp);
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return false;
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}
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m_Failed = false;
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char aLineBuf[1024 * 2];
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char aEscapeBuf[1024 * 2];
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#define MACRO_CONFIG_INT(Name, ScriptName, def, min, max, flags, desc) \
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if((flags)&CFGFLAG_SAVE && g_Config.m_##Name != def) \
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{ \
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str_format(aLineBuf, sizeof(aLineBuf), "%s %i", #ScriptName, g_Config.m_##Name); \
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WriteLine(aLineBuf); \
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}
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#define MACRO_CONFIG_COL(Name, ScriptName, def, flags, desc) \
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if((flags)&CFGFLAG_SAVE && g_Config.m_##Name != def) \
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{ \
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str_format(aLineBuf, sizeof(aLineBuf), "%s %u", #ScriptName, g_Config.m_##Name); \
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WriteLine(aLineBuf); \
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}
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#define MACRO_CONFIG_STR(Name, ScriptName, len, def, flags, desc) \
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if((flags)&CFGFLAG_SAVE && str_comp(g_Config.m_##Name, def) != 0) \
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{ \
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EscapeParam(aEscapeBuf, g_Config.m_##Name, sizeof(aEscapeBuf)); \
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str_format(aLineBuf, sizeof(aLineBuf), "%s \"%s\"", #ScriptName, aEscapeBuf); \
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WriteLine(aLineBuf); \
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}
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#include "config_variables.h"
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#undef MACRO_CONFIG_INT
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#undef MACRO_CONFIG_COL
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#undef MACRO_CONFIG_STR
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for(int i = 0; i < m_NumCallbacks; i++)
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m_aCallbacks[i].m_pfnFunc(this, m_aCallbacks[i].m_pUserData);
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if(io_close(m_ConfigFile) != 0)
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m_Failed = true;
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m_ConfigFile = 0;
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if(m_Failed)
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{
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dbg_msg("config", "ERROR: writing to %s failed", aConfigFileTmp);
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return false;
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}
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if(!m_pStorage->RenameFile(aConfigFileTmp, CONFIG_FILE, IStorage::TYPE_SAVE))
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{
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dbg_msg("config", "ERROR: renaming %s to " CONFIG_FILE " failed", aConfigFileTmp);
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return false;
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}
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return true;
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}
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void CConfigManager::RegisterCallback(SAVECALLBACKFUNC pfnFunc, void *pUserData)
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{
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dbg_assert(m_NumCallbacks < MAX_CALLBACKS, "too many config callbacks");
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m_aCallbacks[m_NumCallbacks].m_pfnFunc = pfnFunc;
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m_aCallbacks[m_NumCallbacks].m_pUserData = pUserData;
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m_NumCallbacks++;
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}
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void CConfigManager::WriteLine(const char *pLine)
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{
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if(!m_ConfigFile ||
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io_write(m_ConfigFile, pLine, str_length(pLine)) != static_cast<unsigned>(str_length(pLine)) ||
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#if defined(CONF_FAMILY_WINDOWS)
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io_write_newline(m_ConfigFile) != 2)
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#else
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io_write_newline(m_ConfigFile) != 1)
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#endif
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m_Failed = true;
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}
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IConfigManager *CreateConfigManager() { return new CConfigManager; }
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