mirror of
https://github.com/TerryCavanagh/VVVVVV.git
synced 2024-12-22 17:49:43 +01:00
Simplify and print XML errors from TinyXML-2
All XML functions now check the return value of tinyxml2::XMLDocument::Error() after each document gets loaded in to TinyXML-2. If there's an error, then all functions return. This isn't strictly necessary, but printing the error message that TinyXML-2 is the bare minimum we could do to be useful. Additionally, I've standardized the error messages of missing or corrupted XML files. Also, the way the game went about making the XML handles was... a bit roundabout. There were two XML handles, one for the document and one for the root element - although only one XML handle suffices. So I've cleaned that up too. I could've gone further and added error checking for a whole bunch of things (e.g. missing elements, missing attributes), but this is good enough. Also, if unlock.vvv or settings.vvv don't exist yet, the game is guaranteed to no-op instead of continuing with the function. Nothing bad seems to happen if the function continues, but the return statements should be there anyway to clearly indicate intent.
This commit is contained in:
Misa
Misa Elizabeth Kai
parent
cbc84edb0e
commit
3ef5248db9
3 changed files with 165 additions and 131 deletions
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@ -100,33 +100,34 @@ static bool GetButtonFromString(const char *pText, SDL_GameControllerButton *but
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static const char* get_summary(
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const char* filename,
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const char* save,
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const char* savename,
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tinyxml2::XMLDocument& doc
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) {
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tinyxml2::XMLHandle hDoc(&doc);
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tinyxml2::XMLElement* pElem;
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tinyxml2::XMLHandle hRoot(NULL);
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bool success;
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const char* retval = "";
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success = FILESYSTEM_loadTiXml2Document(filename, doc);
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if (!success)
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{
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vlog_info("%s Not Found", save);
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return "";
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vlog_info("%s not found", savename);
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goto end;
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}
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pElem = hDoc.FirstChildElement().ToElement();
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if (!pElem)
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if (doc.Error())
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{
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vlog_error("%s Appears Corrupted: No XML Root", save);
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vlog_error("Error parsing %s: %s", savename, doc.ErrorStr());
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goto end;
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}
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// save this for later
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hRoot = tinyxml2::XMLHandle(pElem);
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for (pElem = hRoot.FirstChildElement("Data").FirstChild().ToElement(); pElem; pElem = pElem->NextSiblingElement())
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for (pElem = hDoc
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.FirstChildElement()
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.FirstChildElement("Data")
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.FirstChildElement()
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.ToElement();
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pElem != NULL;
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pElem = pElem->NextSiblingElement())
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{
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const char* pKey = pElem->Value();
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const char* pText = pElem->GetText();
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@ -142,6 +143,7 @@ static const char* get_summary(
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}
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}
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end:
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return retval;
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}
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@ -316,11 +318,11 @@ void Game::init(void)
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saveFilePath = FILESYSTEM_getUserSaveDirectory();
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tinyxml2::XMLDocument doc;
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quicksummary = get_summary("saves/qsave.vvv", "Quick Save", doc);
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quicksummary = get_summary("saves/qsave.vvv", "qsave.vvv", doc);
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tinyxml2::XMLDocument docTele;
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telesummary = get_summary("saves/tsave.vvv", "Teleporter Save", doc);
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telesummary = get_summary("saves/tsave.vvv", "tsave.vvv", doc);
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screenshake = flashlight = 0 ;
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@ -460,6 +462,8 @@ void Game::deletecustomlevelstats(void)
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void Game::loadcustomlevelstats(void)
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{
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tinyxml2::XMLDocument doc;
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tinyxml2::XMLHandle hDoc(&doc);
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if (!FILESYSTEM_loadTiXml2Document("saves/levelstats.vvv", doc))
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{
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//No levelstats file exists; start new
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@ -468,29 +472,28 @@ void Game::loadcustomlevelstats(void)
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return;
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}
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if (doc.Error())
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{
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vlog_error("Error parsing levelstats.vvv: %s", doc.ErrorStr());
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return;
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}
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// Old system
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std::vector<std::string> customlevelnames;
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std::vector<int> customlevelscores;
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tinyxml2::XMLHandle hDoc(&doc);
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tinyxml2::XMLElement* pElem;
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tinyxml2::XMLHandle hRoot(NULL);
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tinyxml2::XMLElement* firstElement;
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{
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pElem=hDoc.FirstChildElement().ToElement();
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// should always have a valid root but handle gracefully if it does
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if (!pElem)
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{
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vlog_error("Error: Levelstats file corrupted");
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}
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// save this for later
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hRoot=tinyxml2::XMLHandle(pElem);
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}
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firstElement = hDoc
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.FirstChildElement()
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.FirstChildElement("Data")
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.FirstChildElement()
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.ToElement();
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// First pass, look for the new system of storing stats
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// If they don't exist, then fall back to the old system
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for (pElem = hRoot.FirstChildElement("Data").FirstChild().ToElement(); pElem; pElem = pElem->NextSiblingElement())
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for (pElem = firstElement; pElem != NULL; pElem = pElem->NextSiblingElement())
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{
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const char* pKey = pElem->Value();
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const char* pText = pElem->GetText();
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@ -524,7 +527,7 @@ void Game::loadcustomlevelstats(void)
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// Since we're still here, we must be on the old system
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for( pElem = hRoot.FirstChildElement( "Data" ).FirstChild().ToElement(); pElem; pElem=pElem->NextSiblingElement())
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for (pElem = firstElement; pElem; pElem=pElem->NextSiblingElement())
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{
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const char* pKey = pElem->Value();
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const char* pText = pElem->GetText() ;
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@ -575,6 +578,11 @@ void Game::savecustomlevelstats(void)
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{
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vlog_info("No levelstats.vvv found. Creating new file");
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}
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else if (doc.Error())
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{
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vlog_error("Error parsing existing levelstats.vvv: %s", doc.ErrorStr());
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vlog_info("Creating new levelstats.vvv");
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}
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xml::update_declaration(doc);
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@ -4000,34 +4008,31 @@ void Game::unlocknum( int t )
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void Game::loadstats(ScreenSettings* screen_settings)
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{
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tinyxml2::XMLDocument doc;
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tinyxml2::XMLHandle hDoc(&doc);
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tinyxml2::XMLElement* pElem;
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tinyxml2::XMLElement* dataNode;
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if (!FILESYSTEM_loadTiXml2Document("saves/unlock.vvv", doc))
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{
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// Save unlock.vvv only. Maybe we have a settings.vvv laying around too,
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// and we don't want to overwrite that!
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savestats(screen_settings);
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return;
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}
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tinyxml2::XMLHandle hDoc(&doc);
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tinyxml2::XMLElement* pElem;
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tinyxml2::XMLHandle hRoot(NULL);
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if (doc.Error())
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{
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pElem=hDoc.FirstChildElement().ToElement();
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// should always have a valid root but handle gracefully if it does
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if (!pElem)
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{
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}
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;
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// save this for later
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hRoot=tinyxml2::XMLHandle(pElem);
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vlog_error("Error parsing unlock.vvv: %s", doc.ErrorStr());
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return;
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}
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tinyxml2::XMLElement* dataNode = hRoot.FirstChildElement("Data").FirstChild().ToElement();
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dataNode = hDoc
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.FirstChildElement()
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.FirstChildElement("Data")
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.FirstChildElement()
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.ToElement();
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for( pElem = dataNode; pElem; pElem=pElem->NextSiblingElement())
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for (pElem = dataNode; pElem != NULL; pElem=pElem->NextSiblingElement())
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{
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const char* pKey = pElem->Value();
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const char* pText = pElem->GetText() ;
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@ -4325,6 +4330,11 @@ bool Game::savestats(const ScreenSettings* screen_settings)
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{
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vlog_info("No unlock.vvv found. Creating new file");
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}
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else if (doc.Error())
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{
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vlog_error("Error parsing existing unlock.vvv: %s", doc.ErrorStr());
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vlog_info("Creating new unlock.vvv");
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}
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xml::update_declaration(doc);
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@ -4545,29 +4555,26 @@ void Game::serializesettings(tinyxml2::XMLElement* dataNode, const ScreenSetting
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void Game::loadsettings(ScreenSettings* screen_settings)
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{
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tinyxml2::XMLDocument doc;
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tinyxml2::XMLHandle hDoc(&doc);
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tinyxml2::XMLElement* dataNode;
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if (!FILESYSTEM_loadTiXml2Document("saves/settings.vvv", doc))
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{
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savesettings(screen_settings);
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return;
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}
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tinyxml2::XMLHandle hDoc(&doc);
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tinyxml2::XMLElement* pElem;
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tinyxml2::XMLHandle hRoot(NULL);
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if (doc.Error())
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{
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pElem = hDoc.FirstChildElement().ToElement();
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// should always have a valid root but handle gracefully if it doesn't
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if (!pElem)
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{
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}
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;
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// save this for later
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hRoot = tinyxml2::XMLHandle(pElem);
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vlog_error("Error parsing settings.vvv: %s", doc.ErrorStr());
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return;
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}
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tinyxml2::XMLElement* dataNode = hRoot.FirstChildElement("Data").FirstChild().ToElement();
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dataNode = hDoc
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.FirstChildElement()
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.FirstChildElement("Data")
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.FirstChildElement()
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.ToElement();
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deserializesettings(dataNode, screen_settings);
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}
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@ -4593,6 +4600,11 @@ bool Game::savesettings(const ScreenSettings* screen_settings)
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{
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vlog_info("No settings.vvv found. Creating new file");
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}
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else if (doc.Error())
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{
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vlog_error("Error parsing existing settings.vvv: %s", doc.ErrorStr());
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vlog_info("Creating new settings.vvv");
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}
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xml::update_declaration(doc);
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@ -4827,31 +4839,29 @@ void Game::loadquick(void)
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tinyxml2::XMLDocument doc;
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if (!FILESYSTEM_loadTiXml2Document("saves/qsave.vvv", doc)) return;
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readmaingamesave(doc);
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readmaingamesave("qsave.vvv", doc);
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}
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void Game::readmaingamesave(tinyxml2::XMLDocument& doc)
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void Game::readmaingamesave(const char* savename, tinyxml2::XMLDocument& doc)
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{
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tinyxml2::XMLHandle hDoc(&doc);
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tinyxml2::XMLElement* pElem;
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tinyxml2::XMLHandle hRoot(NULL);
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if (doc.Error())
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{
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pElem=hDoc.FirstChildElement().ToElement();
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// should always have a valid root but handle gracefully if it does
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if (!pElem)
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{
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vlog_error("Save Not Found");
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vlog_error("Error parsing %s: %s", savename, doc.ErrorStr());
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return;
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}
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// save this for later
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hRoot=tinyxml2::XMLHandle(pElem);
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}
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for( pElem = hRoot.FirstChildElement( "Data" ).FirstChild().ToElement(); pElem; pElem=pElem->NextSiblingElement())
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for (pElem = hDoc
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.FirstChildElement()
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.FirstChildElement("Data")
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.FirstChildElement()
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.ToElement();
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pElem != NULL;
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pElem = pElem->NextSiblingElement())
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{
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const char* pKey = pElem->Value();;
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const char* pKey = pElem->Value();
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const char* pText = pElem->GetText();
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if(pText == NULL)
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{
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@ -4997,7 +5007,13 @@ void Game::readmaingamesave(tinyxml2::XMLDocument& doc)
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void Game::customloadquick(std::string savfile)
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{
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if (cliplaytest) {
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tinyxml2::XMLDocument doc;
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tinyxml2::XMLHandle hDoc(&doc);
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tinyxml2::XMLElement* pElem;
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std::string levelfile;
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if (cliplaytest)
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{
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savex = playx;
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savey = playy;
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saverx = playrx;
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@ -5007,28 +5023,26 @@ void Game::customloadquick(std::string savfile)
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return;
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}
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std::string levelfile = savfile.substr(7);
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tinyxml2::XMLDocument doc;
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if (!FILESYSTEM_loadTiXml2Document(("saves/"+levelfile+".vvv").c_str(), doc)) return;
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tinyxml2::XMLHandle hDoc(&doc);
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tinyxml2::XMLElement* pElem;
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tinyxml2::XMLHandle hRoot(NULL);
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levelfile = savfile.substr(7);
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if (!FILESYSTEM_loadTiXml2Document(("saves/"+levelfile+".vvv").c_str(), doc))
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{
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pElem=hDoc.FirstChildElement().ToElement();
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// should always have a valid root but handle gracefully if it does
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if (!pElem)
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{
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vlog_error("Save Not Found");
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vlog_error("%s.vvv not found", levelfile.c_str());
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return;
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}
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// save this for later
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hRoot=tinyxml2::XMLHandle(pElem);
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if (doc.Error())
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{
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vlog_error("Error parsing %s.vvv: %s", levelfile.c_str(), doc.ErrorStr());
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return;
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}
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for( pElem = hRoot.FirstChildElement( "Data" ).FirstChild().ToElement(); pElem; pElem=pElem->NextSiblingElement())
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for (pElem = hDoc
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.FirstChildElement()
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.FirstChildElement("Data")
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.FirstChildElement()
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.ToElement();
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pElem != NULL;
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pElem = pElem->NextSiblingElement())
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{
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const char* pKey = pElem->Value();
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const char* pText = pElem->GetText() ;
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@ -5199,26 +5213,26 @@ struct Summary
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};
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static void loadthissummary(
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const char* filename,
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struct Summary* summary,
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tinyxml2::XMLDocument& doc
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) {
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tinyxml2::XMLHandle hDoc(&doc);
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tinyxml2::XMLElement* pElem;
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tinyxml2::XMLHandle hRoot(NULL);
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if (doc.Error())
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{
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pElem=hDoc.FirstChildElement().ToElement();
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// should always have a valid root but handle gracefully if it does
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if (!pElem)
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{
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vlog_error("Save Not Found");
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vlog_error("Error parsing %s: %s", filename, doc.ErrorStr());
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return;
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}
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// save this for later
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hRoot=tinyxml2::XMLHandle(pElem);
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}
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for( pElem = hRoot.FirstChildElement( "Data" ).FirstChild().ToElement(); pElem; pElem=pElem->NextSiblingElement())
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for (pElem = hDoc
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.FirstChildElement()
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.FirstChildElement("Data")
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.FirstChildElement()
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.ToElement();
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pElem != NULL;
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pElem = pElem->NextSiblingElement())
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{
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const char* pKey = pElem->Value();
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const char* pText = pElem->GetText();
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@ -5228,6 +5242,11 @@ static void loadthissummary(
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pText = "";
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}
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if (pText == NULL)
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{
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pText = "";
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}
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if (SDL_strcmp(pKey, "summary") == 0)
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{
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summary->summary = pText;
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@ -5279,7 +5298,7 @@ void Game::loadsummary(void)
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struct Summary summary;
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SDL_zero(summary);
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loadthissummary(&summary, doc);
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loadthissummary("tsave.vvv", &summary, doc);
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telesummary = summary.summary;
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tele_gametime = giventimestring(
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@ -5304,7 +5323,7 @@ void Game::loadsummary(void)
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struct Summary summary;
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SDL_zero(summary);
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loadthissummary(&summary, doc);
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loadthissummary("qsave.vvv", &summary, doc);
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quicksummary = summary.summary;
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quick_gametime = giventimestring(
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@ -5349,6 +5368,12 @@ bool Game::savetele(void)
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{
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vlog_info("No tsave.vvv found. Creating new file");
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}
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else if (doc.Error())
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{
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vlog_error("Error parsing existing tsave.vvv: %s", doc.ErrorStr());
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vlog_info("Creating new tsave.vvv");
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}
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telesummary = writemaingamesave(doc);
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if(!FILESYSTEM_saveTiXml2Document("saves/tsave.vvv", doc))
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@ -5376,6 +5401,12 @@ bool Game::savequick(void)
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{
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vlog_info("No qsave.vvv found. Creating new file");
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}
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else if (doc.Error())
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{
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vlog_error("Error parsing existing qsave.vvv: %s", doc.ErrorStr());
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vlog_info("Creating new qsave.vvv");
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}
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quicksummary = writemaingamesave(doc);
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if(!FILESYSTEM_saveTiXml2Document("saves/qsave.vvv", doc))
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@ -5513,6 +5544,11 @@ bool Game::customsavequick(std::string savfile)
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{
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vlog_info("No %s.vvv found. Creating new file", levelfile.c_str());
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}
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else if (doc.Error())
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{
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vlog_error("Error parsing existing %s.vvv: %s", levelfile.c_str(), doc.ErrorStr());
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||||
vlog_info("Creating new %s.vvv", levelfile.c_str());
|
||||
}
|
||||
|
||||
xml::update_declaration(doc);
|
||||
|
||||
|
|
@ -5648,7 +5684,7 @@ void Game::loadtele(void)
|
|||
tinyxml2::XMLDocument doc;
|
||||
if (!FILESYSTEM_loadTiXml2Document("saves/tsave.vvv", doc)) return;
|
||||
|
||||
readmaingamesave(doc);
|
||||
readmaingamesave("tsave.vvv", doc);
|
||||
}
|
||||
|
||||
std::string Game::unrescued(void)
|
||||
|
|
|
|||
|
|
@ -203,7 +203,7 @@ public:
|
|||
|
||||
void loadsummary(void);
|
||||
|
||||
void readmaingamesave(tinyxml2::XMLDocument& doc);
|
||||
void readmaingamesave(const char* savename, tinyxml2::XMLDocument& doc);
|
||||
std::string writemaingamesave(tinyxml2::XMLDocument& doc);
|
||||
|
||||
void initteleportermode(void);
|
||||
|
|
|
|||
|
|
@ -1797,7 +1797,6 @@ bool editorclass::load(std::string& _path)
|
|||
tinyxml2::XMLDocument doc;
|
||||
tinyxml2::XMLHandle hDoc(&doc);
|
||||
tinyxml2::XMLElement* pElem;
|
||||
tinyxml2::XMLHandle hRoot(NULL);
|
||||
|
||||
reset();
|
||||
|
||||
|
|
@ -1819,28 +1818,27 @@ bool editorclass::load(std::string& _path)
|
|||
|
||||
if (!FILESYSTEM_loadTiXml2Document(_path.c_str(), doc))
|
||||
{
|
||||
vlog_warn("No level %s to load :(", _path.c_str());
|
||||
return false;
|
||||
vlog_warn("%s not found", _path.c_str());
|
||||
goto fail;
|
||||
}
|
||||
|
||||
if (doc.Error())
|
||||
{
|
||||
vlog_error("Error parsing %s: %s", _path.c_str(), doc.ErrorStr());
|
||||
goto fail;
|
||||
}
|
||||
|
||||
loaded_filepath = _path;
|
||||
|
||||
version = 0;
|
||||
|
||||
{
|
||||
pElem=hDoc.FirstChildElement().ToElement();
|
||||
// should always have a valid root but handle gracefully if it does
|
||||
if (!pElem)
|
||||
{
|
||||
vlog_error("No valid root! Corrupt level file?");
|
||||
}
|
||||
|
||||
pElem->QueryIntAttribute("version", &version);
|
||||
// save this for later
|
||||
hRoot=tinyxml2::XMLHandle(pElem);
|
||||
}
|
||||
|
||||
for( pElem = hRoot.FirstChildElement( "Data" ).FirstChild().ToElement(); pElem; pElem=pElem->NextSiblingElement())
|
||||
for (pElem = hDoc
|
||||
.FirstChildElement()
|
||||
.FirstChildElement("Data")
|
||||
.FirstChildElement()
|
||||
.ToElement();
|
||||
pElem != NULL;
|
||||
pElem = pElem->NextSiblingElement())
|
||||
{
|
||||
const char* pKey = pElem->Value();
|
||||
const char* pText = pElem->GetText();
|
||||
|
|
|
|||
Loading…
Reference in a new issue