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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "ArchiveNameResolver.h"
#include "Game/GlobalUnsynced.h"
#include "System/Config/ConfigHandler.h"
#include "System/FileSystem/ArchiveScanner.h"
#include "System/FileSystem/RapidHandler.h"
#include "System/UriParser.h"
#include "System/StringUtil.h"
#include <iostream>
#include <cinttypes>
namespace ArchiveNameResolver {
//////////////////////////////////////////////////////////////////////////////
//
// Helpers
//
static std::uint64_t ExtractVersionNumber(const std::string& version)
{
std::istringstream iss(version);
std::uint64_t versionInt = 0;
int num;
while (true) {
if (iss >> num) {
versionInt = versionInt * 1000 + std::abs(num);
} else
if (iss.eof()) {
break;
} else
if (iss.fail()) {
iss.clear();
iss.ignore();
}
}
return versionInt;
}
static bool GetGameByExactName(const std::string& lazyName, std::string* applicableName)
{
const CArchiveScanner::ArchiveData& aData = archiveScanner->GetArchiveData(lazyName);
std::string error;
if (aData.IsValid(error)) {
if (aData.IsGame()) {
*applicableName = lazyName;
return true;
}
}
return false;
}
static bool GetGameByShortName(const std::string& lazyName, std::string* applicableName)
{
const std::string lowerLazyName = StringToLower(lazyName);
const std::vector<CArchiveScanner::ArchiveData>& found = archiveScanner->GetPrimaryMods();
std::string matchingName;
std::string matchingVersion;
std::uint64_t matchingVersionInt = 0;
for (std::vector<CArchiveScanner::ArchiveData>::const_iterator it = found.begin(); it != found.end(); ++it) {
if (lowerLazyName == StringToLower(it->GetShortName())) {
// find latest version of the game
std::uint64_t versionInt = ExtractVersionNumber(it->GetVersion());
if (versionInt > matchingVersionInt) {
matchingName = it->GetNameVersioned();
matchingVersion = it->GetVersion();
matchingVersionInt = versionInt;
continue;
}
if (versionInt == matchingVersionInt) {
// very bad solution, fails with `10.0` vs. `9.10`
const int compareInt = matchingVersion.compare(it->GetVersion());
if (compareInt <= 0) {
matchingName = it->GetNameVersioned();
matchingVersion = it->GetVersion();
//matchingVersionInt = versionInt;
}
}
}
}
if (!matchingName.empty()) {
*applicableName = matchingName;
return true;
}
return false;
}
static bool GetRandomGame(const std::string& lazyName, std::string* applicableName)
{
#if !defined(UNITSYNC) && !defined(DEDICATED)
if (lazyName == "random") {
const std::vector<CArchiveScanner::ArchiveData>& games = archiveScanner->GetPrimaryMods();
if (!games.empty()) {
*applicableName = games[guRNG.NextInt(games.size())].GetNameVersioned();
return true;
}
}
#endif //UNITSYNC
return false;
}
static bool GetMapByExactName(const std::string& lazyName, std::string* applicableName)
{
const CArchiveScanner::ArchiveData& aData = archiveScanner->GetArchiveData(lazyName);
std::string error;
if (aData.IsValid(error)) {
if (aData.IsMap()) {
*applicableName = lazyName;
return true;
}
}
return false;
}
static bool GetMapBySubString(const std::string& lazyName, std::string* applicableName)
{
const std::string lowerLazyName = StringToLower(lazyName);
const std::vector<std::string>& found = archiveScanner->GetMaps();
std::vector<std::string> substrings;
std::istringstream iss(lowerLazyName);
std::string buf;
while (iss >> buf) {
substrings.push_back(buf);
}
std::string matchingName;
size_t matchingLength = 1e6;
for (std::vector<std::string>::const_iterator it = found.begin(); it != found.end(); ++it) {
const std::string lowerMapName = StringToLower(*it);
// search for all wanted substrings
bool fits = true;
for (std::vector<std::string>::const_iterator jt = substrings.begin(); jt != substrings.end(); ++jt) {
const std::string& substr = *jt;
if (lowerMapName.find(substr) == std::string::npos) {
fits = false;
break;
}
}
if (fits) {
// shortest fitting string wins
const int nameLength = lowerMapName.length();
if (nameLength < matchingLength) {
matchingName = *it;
matchingLength = nameLength;
}
}
}
if (!matchingName.empty()) {
*applicableName = matchingName;
return true;
}
return false;
}
static bool GetRandomMap(const std::string& lazyName, std::string* applicableName)
{
#if !defined(UNITSYNC) && !defined(DEDICATED)
if (lazyName == "random") {
const std::vector<std::string>& maps = archiveScanner->GetMaps();
if (!maps.empty()) {
*applicableName = maps[guRNG.NextInt(maps.size())];
return true;
}
}
#endif //UNITSYNC
return false;
}
static bool GetGameByRapidTag(const std::string& lazyName, std::string& tag)
{
if (!ParseRapidUri(lazyName, tag))
return false;
tag = GetRapidPackageFromTag(tag);
return !tag.empty();
}
//////////////////////////////////////////////////////////////////////////////
//
// Interface
//
std::string GetGame(const std::string& lazyName)
{
std::string applicableName = lazyName;
if (GetGameByExactName(lazyName, &applicableName)) return applicableName;
if (GetGameByShortName(lazyName, &applicableName)) return applicableName;
if (GetGameByRapidTag(lazyName, applicableName)) return applicableName;
if (GetRandomGame(lazyName, &applicableName)) return applicableName;
if (lazyName == "last") return configHandler->GetString("LastSelectedMod");
return lazyName;
}
std::string GetMap(const std::string& lazyName)
{
std::string applicableName = lazyName;
if (GetMapByExactName(lazyName, &applicableName)) return applicableName;
if (GetMapBySubString(lazyName, &applicableName)) return applicableName;
if (GetRandomMap(lazyName, &applicableName)) return applicableName;
if (lazyName == "last") return configHandler->GetString("LastSelectedMap");
//TODO add a string similarity search?
return lazyName;
}
} //namespace ArchiveNameResolver
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