mirror of
https://github.com/vcmi/vcmi.git
synced 2024-12-26 22:57:00 +02:00
1256 lines
34 KiB
C++
1256 lines
34 KiB
C++
/*
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* JsonDetail.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "JsonDetail.h"
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#include "VCMI_Lib.h"
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#include "TextOperations.h"
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#include "CModHandler.h"
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#include "filesystem/Filesystem.h"
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#include "ScopeGuard.h"
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VCMI_LIB_NAMESPACE_BEGIN
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static const JsonNode nullNode;
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template<typename Iterator>
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void JsonWriter::writeContainer(Iterator begin, Iterator end)
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{
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if (begin == end)
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return;
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prefix += '\t';
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writeEntry(begin++);
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while (begin != end)
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{
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out << (compactMode ? ", " : ",\n");
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writeEntry(begin++);
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}
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out << (compactMode ? "" : "\n");
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prefix.resize(prefix.size()-1);
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}
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void JsonWriter::writeEntry(JsonMap::const_iterator entry)
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{
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if(!compactMode)
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{
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if (!entry->second.meta.empty())
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out << prefix << " // " << entry->second.meta << "\n";
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if(!entry->second.flags.empty())
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out << prefix << " // flags: " << boost::algorithm::join(entry->second.flags, ", ") << "\n";
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out << prefix;
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}
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writeString(entry->first);
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out << " : ";
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writeNode(entry->second);
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}
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void JsonWriter::writeEntry(JsonVector::const_iterator entry)
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{
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if(!compactMode)
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{
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if (!entry->meta.empty())
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out << prefix << " // " << entry->meta << "\n";
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if(!entry->flags.empty())
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out << prefix << " // flags: " << boost::algorithm::join(entry->flags, ", ") << "\n";
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out << prefix;
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}
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writeNode(*entry);
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}
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void JsonWriter::writeString(const std::string &string)
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{
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static const std::string escaped = "\"\\\b\f\n\r\t/";
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static const std::array<char, 8> escaped_code = {'\"', '\\', 'b', 'f', 'n', 'r', 't', '/'};
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out <<'\"';
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size_t pos = 0;
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size_t start = 0;
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for (; pos<string.size(); pos++)
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{
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//we need to check if special character was been already escaped
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if((string[pos] == '\\')
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&& (pos+1 < string.size())
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&& (std::find(escaped_code.begin(), escaped_code.end(), string[pos+1]) != escaped_code.end()) )
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{
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pos++; //write unchanged, next simbol also checked
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}
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else
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{
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size_t escapedPos = escaped.find(string[pos]);
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if (escapedPos != std::string::npos)
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{
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out.write(string.data()+start, pos - start);
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out << '\\' << escaped_code[escapedPos];
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start = pos+1;
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}
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}
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}
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out.write(string.data()+start, pos - start);
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out <<'\"';
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}
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void JsonWriter::writeNode(const JsonNode &node)
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{
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bool originalMode = compactMode;
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if(compact && !compactMode && node.isCompact())
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compactMode = true;
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switch(node.getType())
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{
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break; case JsonNode::JsonType::DATA_NULL:
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out << "null";
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break; case JsonNode::JsonType::DATA_BOOL:
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if (node.Bool())
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out << "true";
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else
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out << "false";
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break; case JsonNode::JsonType::DATA_FLOAT:
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out << node.Float();
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break; case JsonNode::JsonType::DATA_STRING:
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writeString(node.String());
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break; case JsonNode::JsonType::DATA_VECTOR:
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out << "[" << (compactMode ? " " : "\n");
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writeContainer(node.Vector().begin(), node.Vector().end());
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out << (compactMode ? " " : prefix) << "]";
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break; case JsonNode::JsonType::DATA_STRUCT:
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out << "{" << (compactMode ? " " : "\n");
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writeContainer(node.Struct().begin(), node.Struct().end());
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out << (compactMode ? " " : prefix) << "}";
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break; case JsonNode::JsonType::DATA_INTEGER:
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out << node.Integer();
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}
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compactMode = originalMode;
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}
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JsonWriter::JsonWriter(std::ostream & output, bool compact)
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: out(output), compact(compact)
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{
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}
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////////////////////////////////////////////////////////////////////////////////
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JsonParser::JsonParser(const char * inputString, size_t stringSize):
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input(inputString, stringSize),
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lineCount(1),
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lineStart(0),
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pos(0)
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{
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}
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JsonNode JsonParser::parse(const std::string & fileName)
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{
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JsonNode root;
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if (input.size() == 0)
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{
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error("File is empty", false);
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}
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else
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{
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if (!TextOperations::isValidUnicodeString(&input[0], input.size()))
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error("Not a valid UTF-8 file", false);
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extractValue(root);
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extractWhitespace(false);
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//Warn if there are any non-whitespace symbols left
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if (pos < input.size())
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error("Not all file was parsed!", true);
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}
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if (!errors.empty())
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{
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logMod->warn("File %s is not a valid JSON file!", fileName);
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logMod->warn(errors);
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}
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return root;
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}
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bool JsonParser::isValid()
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{
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return errors.empty();
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}
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bool JsonParser::extractSeparator()
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{
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if (!extractWhitespace())
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return false;
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if ( input[pos] !=':')
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return error("Separator expected");
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pos++;
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return true;
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}
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bool JsonParser::extractValue(JsonNode &node)
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{
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if (!extractWhitespace())
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return false;
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switch (input[pos])
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{
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case '\"': return extractString(node);
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case 'n' : return extractNull(node);
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case 't' : return extractTrue(node);
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case 'f' : return extractFalse(node);
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case '{' : return extractStruct(node);
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case '[' : return extractArray(node);
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case '-' : return extractFloat(node);
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default:
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{
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if (input[pos] >= '0' && input[pos] <= '9')
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return extractFloat(node);
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return error("Value expected!");
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}
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}
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}
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bool JsonParser::extractWhitespace(bool verbose)
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{
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while (true)
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{
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while(pos < input.size() && static_cast<ui8>(input[pos]) <= ' ')
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{
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if (input[pos] == '\n')
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{
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lineCount++;
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lineStart = pos+1;
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}
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pos++;
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}
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if (pos >= input.size() || input[pos] != '/')
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break;
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pos++;
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if (pos == input.size())
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break;
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if (input[pos] == '/')
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pos++;
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else
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error("Comments must consist from two slashes!", true);
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while (pos < input.size() && input[pos] != '\n')
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pos++;
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}
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if (pos >= input.size() && verbose)
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return error("Unexpected end of file!");
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return true;
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}
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bool JsonParser::extractEscaping(std::string &str)
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{
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switch(input[pos])
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{
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break; case '\"': str += '\"';
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break; case '\\': str += '\\';
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break; case 'b': str += '\b';
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break; case 'f': str += '\f';
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break; case 'n': str += '\n';
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break; case 'r': str += '\r';
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break; case 't': str += '\t';
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break; case '/': str += '/';
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break; default: return error("Unknown escape sequence!", true);
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}
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return true;
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}
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bool JsonParser::extractString(std::string &str)
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{
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if (input[pos] != '\"')
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return error("String expected!");
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pos++;
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size_t first = pos;
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while (pos != input.size())
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{
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if (input[pos] == '\"') // Correct end of string
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{
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str.append( &input[first], pos-first);
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pos++;
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return true;
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}
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if (input[pos] == '\\') // Escaping
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{
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str.append( &input[first], pos-first);
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pos++;
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if (pos == input.size())
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break;
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extractEscaping(str);
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first = pos + 1;
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}
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if (input[pos] == '\n') // end-of-line
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{
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str.append( &input[first], pos-first);
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return error("Closing quote not found!", true);
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}
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if(static_cast<unsigned char>(input[pos]) < ' ') // control character
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{
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str.append( &input[first], pos-first);
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first = pos+1;
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error("Illegal character in the string!", true);
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}
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pos++;
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}
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return error("Unterminated string!");
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}
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bool JsonParser::extractString(JsonNode &node)
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{
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std::string str;
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if (!extractString(str))
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return false;
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node.setType(JsonNode::JsonType::DATA_STRING);
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node.String() = str;
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return true;
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}
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bool JsonParser::extractLiteral(const std::string &literal)
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{
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if (literal.compare(0, literal.size(), &input[pos], literal.size()) != 0)
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{
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while (pos < input.size() && ((input[pos]>'a' && input[pos]<'z')
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|| (input[pos]>'A' && input[pos]<'Z')))
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pos++;
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return error("Unknown literal found", true);
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}
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pos += literal.size();
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return true;
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}
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bool JsonParser::extractNull(JsonNode &node)
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{
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if (!extractLiteral("null"))
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return false;
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node.clear();
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return true;
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}
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bool JsonParser::extractTrue(JsonNode &node)
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{
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if (!extractLiteral("true"))
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return false;
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node.Bool() = true;
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return true;
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}
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bool JsonParser::extractFalse(JsonNode &node)
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{
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if (!extractLiteral("false"))
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return false;
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node.Bool() = false;
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return true;
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}
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bool JsonParser::extractStruct(JsonNode &node)
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{
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node.setType(JsonNode::JsonType::DATA_STRUCT);
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pos++;
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if (!extractWhitespace())
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return false;
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//Empty struct found
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if (input[pos] == '}')
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{
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pos++;
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return true;
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}
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while (true)
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{
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if (!extractWhitespace())
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return false;
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std::string key;
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if (!extractString(key))
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return false;
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// split key string into actual key and meta-flags
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std::vector<std::string> keyAndFlags;
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boost::split(keyAndFlags, key, boost::is_any_of("#"));
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key = keyAndFlags[0];
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// check for unknown flags - helps with debugging
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std::vector<std::string> knownFlags = { "override" };
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for(int i = 1; i < keyAndFlags.size(); i++)
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{
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if(!vstd::contains(knownFlags, keyAndFlags[i]))
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error("Encountered unknown flag #" + keyAndFlags[i], true);
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}
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if (node.Struct().find(key) != node.Struct().end())
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error("Dublicated element encountered!", true);
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if (!extractSeparator())
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return false;
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if (!extractElement(node.Struct()[key], '}'))
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return false;
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// flags from key string belong to referenced element
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for(int i = 1; i < keyAndFlags.size(); i++)
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node.Struct()[key].flags.push_back(keyAndFlags[i]);
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if (input[pos] == '}')
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{
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pos++;
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return true;
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}
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}
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}
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bool JsonParser::extractArray(JsonNode &node)
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{
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pos++;
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node.setType(JsonNode::JsonType::DATA_VECTOR);
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if (!extractWhitespace())
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return false;
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//Empty array found
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if (input[pos] == ']')
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{
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pos++;
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return true;
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}
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while (true)
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{
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//NOTE: currently 50% of time is this vector resizing.
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//May be useful to use list during parsing and then swap() all items to vector
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node.Vector().resize(node.Vector().size()+1);
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if (!extractElement(node.Vector().back(), ']'))
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return false;
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if (input[pos] == ']')
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{
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pos++;
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return true;
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}
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}
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}
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bool JsonParser::extractElement(JsonNode &node, char terminator)
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{
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if (!extractValue(node))
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return false;
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if (!extractWhitespace())
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return false;
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bool comma = (input[pos] == ',');
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if (comma )
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{
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pos++;
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if (!extractWhitespace())
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return false;
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}
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if (input[pos] == terminator)
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{
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//FIXME: MOD COMPATIBILITY: Too many of these right now, re-enable later
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//if (comma)
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//error("Extra comma found!", true);
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return true;
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}
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if (!comma)
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error("Comma expected!", true);
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return true;
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}
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bool JsonParser::extractFloat(JsonNode &node)
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{
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assert(input[pos] == '-' || (input[pos] >= '0' && input[pos] <= '9'));
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bool negative=false;
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double result=0;
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si64 integerPart = 0;
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bool isFloat = false;
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if (input[pos] == '-')
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{
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pos++;
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negative = true;
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}
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if (input[pos] < '0' || input[pos] > '9')
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return error("Number expected!");
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//Extract integer part
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while (input[pos] >= '0' && input[pos] <= '9')
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{
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integerPart = integerPart*10+(input[pos]-'0');
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pos++;
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}
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result = static_cast<double>(integerPart);
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if (input[pos] == '.')
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{
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//extract fractional part
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isFloat = true;
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pos++;
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double fractMult = 0.1;
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if (input[pos] < '0' || input[pos] > '9')
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return error("Decimal part expected!");
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while (input[pos] >= '0' && input[pos] <= '9')
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{
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result = result + fractMult*(input[pos]-'0');
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fractMult /= 10;
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pos++;
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}
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}
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if(input[pos] == 'e')
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{
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//extract exponential part
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pos++;
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isFloat = true;
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bool powerNegative = false;
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double power = 0;
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if(input[pos] == '-')
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{
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pos++;
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powerNegative = true;
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}
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else if(input[pos] == '+')
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{
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pos++;
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}
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if (input[pos] < '0' || input[pos] > '9')
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return error("Exponential part expected!");
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while (input[pos] >= '0' && input[pos] <= '9')
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{
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power = power*10 + (input[pos]-'0');
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pos++;
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}
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if(powerNegative)
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power = -power;
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result *= std::pow(10, power);
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}
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if(isFloat)
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{
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if(negative)
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result = -result;
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node.setType(JsonNode::JsonType::DATA_FLOAT);
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node.Float() = result;
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}
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else
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{
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if(negative)
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integerPart = -integerPart;
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node.setType(JsonNode::JsonType::DATA_INTEGER);
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node.Integer() = integerPart;
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}
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return true;
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}
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bool JsonParser::error(const std::string &message, bool warning)
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{
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std::ostringstream stream;
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std::string type(warning?" warning: ":" error: ");
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stream << "At line " << lineCount << ", position "<<pos-lineStart
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<< type << message <<"\n";
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errors += stream.str();
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return warning;
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}
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///////////////////////////////////////////////////////////////////////////////
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//TODO: integer support
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static const std::unordered_map<std::string, JsonNode::JsonType> stringToType =
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{
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{"null", JsonNode::JsonType::DATA_NULL},
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{"boolean", JsonNode::JsonType::DATA_BOOL},
|
|
{"number", JsonNode::JsonType::DATA_FLOAT},
|
|
{"string", JsonNode::JsonType::DATA_STRING},
|
|
{"array", JsonNode::JsonType::DATA_VECTOR},
|
|
{"object", JsonNode::JsonType::DATA_STRUCT}
|
|
};
|
|
|
|
namespace
|
|
{
|
|
namespace Common
|
|
{
|
|
std::string emptyCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
// check is not needed - e.g. incorporated into another check
|
|
return "";
|
|
}
|
|
|
|
std::string notImplementedCheck(Validation::ValidationData & validator,
|
|
const JsonNode & baseSchema,
|
|
const JsonNode & schema,
|
|
const JsonNode & data)
|
|
{
|
|
return "Not implemented entry in schema";
|
|
}
|
|
|
|
std::string schemaListCheck(Validation::ValidationData & validator,
|
|
const JsonNode & baseSchema,
|
|
const JsonNode & schema,
|
|
const JsonNode & data,
|
|
const std::string & errorMsg,
|
|
const std::function<bool(size_t)> & isValid)
|
|
{
|
|
std::string errors = "<tested schemas>\n";
|
|
size_t result = 0;
|
|
|
|
for(const auto & schemaEntry : schema.Vector())
|
|
{
|
|
std::string error = check(schemaEntry, data, validator);
|
|
if (error.empty())
|
|
{
|
|
result++;
|
|
}
|
|
else
|
|
{
|
|
errors += error;
|
|
errors += "<end of schema>\n";
|
|
}
|
|
}
|
|
if (isValid(result))
|
|
return "";
|
|
else
|
|
return validator.makeErrorMessage(errorMsg) + errors;
|
|
}
|
|
|
|
std::string allOfCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
return schemaListCheck(validator, baseSchema, schema, data, "Failed to pass all schemas", [&](size_t count)
|
|
{
|
|
return count == schema.Vector().size();
|
|
});
|
|
}
|
|
|
|
std::string anyOfCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
return schemaListCheck(validator, baseSchema, schema, data, "Failed to pass any schema", [&](size_t count)
|
|
{
|
|
return count > 0;
|
|
});
|
|
}
|
|
|
|
std::string oneOfCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
return schemaListCheck(validator, baseSchema, schema, data, "Failed to pass exactly one schema", [&](size_t count)
|
|
{
|
|
return count == 1;
|
|
});
|
|
}
|
|
|
|
std::string notCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
if (check(schema, data, validator).empty())
|
|
return validator.makeErrorMessage("Successful validation against negative check");
|
|
return "";
|
|
}
|
|
|
|
std::string enumCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
for(const auto & enumEntry : schema.Vector())
|
|
{
|
|
if (data == enumEntry)
|
|
return "";
|
|
}
|
|
return validator.makeErrorMessage("Key must have one of predefined values");
|
|
}
|
|
|
|
std::string typeCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
const auto & typeName = schema.String();
|
|
auto it = stringToType.find(typeName);
|
|
if(it == stringToType.end())
|
|
{
|
|
return validator.makeErrorMessage("Unknown type in schema:" + typeName);
|
|
}
|
|
|
|
JsonNode::JsonType type = it->second;
|
|
|
|
//FIXME: hack for integer values
|
|
if(data.isNumber() && type == JsonNode::JsonType::DATA_FLOAT)
|
|
return "";
|
|
|
|
if(type != data.getType() && data.getType() != JsonNode::JsonType::DATA_NULL)
|
|
return validator.makeErrorMessage("Type mismatch! Expected " + schema.String());
|
|
return "";
|
|
}
|
|
|
|
std::string refCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
std::string URI = schema.String();
|
|
//node must be validated using schema pointed by this reference and not by data here
|
|
//Local reference. Turn it into more easy to handle remote ref
|
|
if (boost::algorithm::starts_with(URI, "#"))
|
|
URI = validator.usedSchemas.back() + URI;
|
|
return check(URI, data, validator);
|
|
}
|
|
|
|
std::string formatCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
auto formats = Validation::getKnownFormats();
|
|
std::string errors;
|
|
auto checker = formats.find(schema.String());
|
|
if (checker != formats.end())
|
|
{
|
|
std::string result = checker->second(data);
|
|
if (!result.empty())
|
|
errors += validator.makeErrorMessage(result);
|
|
}
|
|
else
|
|
errors += validator.makeErrorMessage("Unsupported format type: " + schema.String());
|
|
return errors;
|
|
}
|
|
}
|
|
|
|
namespace String
|
|
{
|
|
std::string maxLengthCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
if (data.String().size() > schema.Float())
|
|
return validator.makeErrorMessage((boost::format("String is longer than %d symbols") % schema.Float()).str());
|
|
return "";
|
|
}
|
|
|
|
std::string minLengthCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
if (data.String().size() < schema.Float())
|
|
return validator.makeErrorMessage((boost::format("String is shorter than %d symbols") % schema.Float()).str());
|
|
return "";
|
|
}
|
|
}
|
|
|
|
namespace Number
|
|
{
|
|
|
|
std::string maximumCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
if (baseSchema["exclusiveMaximum"].Bool())
|
|
{
|
|
if (data.Float() >= schema.Float())
|
|
return validator.makeErrorMessage((boost::format("Value is bigger than %d") % schema.Float()).str());
|
|
}
|
|
else
|
|
{
|
|
if (data.Float() > schema.Float())
|
|
return validator.makeErrorMessage((boost::format("Value is bigger than %d") % schema.Float()).str());
|
|
}
|
|
return "";
|
|
}
|
|
|
|
std::string minimumCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
if (baseSchema["exclusiveMinimum"].Bool())
|
|
{
|
|
if (data.Float() <= schema.Float())
|
|
return validator.makeErrorMessage((boost::format("Value is smaller than %d") % schema.Float()).str());
|
|
}
|
|
else
|
|
{
|
|
if (data.Float() < schema.Float())
|
|
return validator.makeErrorMessage((boost::format("Value is smaller than %d") % schema.Float()).str());
|
|
}
|
|
return "";
|
|
}
|
|
|
|
std::string multipleOfCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
double result = data.Float() / schema.Float();
|
|
if (floor(result) != result)
|
|
return validator.makeErrorMessage((boost::format("Value is not divisible by %d") % schema.Float()).str());
|
|
return "";
|
|
}
|
|
}
|
|
|
|
namespace Vector
|
|
{
|
|
std::string itemEntryCheck(Validation::ValidationData & validator, const JsonVector & items, const JsonNode & schema, size_t index)
|
|
{
|
|
validator.currentPath.emplace_back();
|
|
validator.currentPath.back().Float() = static_cast<double>(index);
|
|
auto onExit = vstd::makeScopeGuard([&]()
|
|
{
|
|
validator.currentPath.pop_back();
|
|
});
|
|
|
|
if (!schema.isNull())
|
|
return check(schema, items[index], validator);
|
|
return "";
|
|
}
|
|
|
|
std::string itemsCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
std::string errors;
|
|
for (size_t i=0; i<data.Vector().size(); i++)
|
|
{
|
|
if (schema.getType() == JsonNode::JsonType::DATA_VECTOR)
|
|
{
|
|
if (schema.Vector().size() > i)
|
|
errors += itemEntryCheck(validator, data.Vector(), schema.Vector()[i], i);
|
|
}
|
|
else
|
|
{
|
|
errors += itemEntryCheck(validator, data.Vector(), schema, i);
|
|
}
|
|
}
|
|
return errors;
|
|
}
|
|
|
|
std::string additionalItemsCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
std::string errors;
|
|
// "items" is struct or empty (defaults to empty struct) - validation always successful
|
|
const JsonNode & items = baseSchema["items"];
|
|
if (items.getType() != JsonNode::JsonType::DATA_VECTOR)
|
|
return "";
|
|
|
|
for (size_t i=items.Vector().size(); i<data.Vector().size(); i++)
|
|
{
|
|
if (schema.getType() == JsonNode::JsonType::DATA_STRUCT)
|
|
errors += itemEntryCheck(validator, data.Vector(), schema, i);
|
|
else if(!schema.isNull() && !schema.Bool())
|
|
errors += validator.makeErrorMessage("Unknown entry found");
|
|
}
|
|
return errors;
|
|
}
|
|
|
|
std::string minItemsCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
if (data.Vector().size() < schema.Float())
|
|
return validator.makeErrorMessage((boost::format("Length is smaller than %d") % schema.Float()).str());
|
|
return "";
|
|
}
|
|
|
|
std::string maxItemsCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
if (data.Vector().size() > schema.Float())
|
|
return validator.makeErrorMessage((boost::format("Length is bigger than %d") % schema.Float()).str());
|
|
return "";
|
|
}
|
|
|
|
std::string uniqueItemsCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
if (schema.Bool())
|
|
{
|
|
for (auto itA = schema.Vector().begin(); itA != schema.Vector().end(); itA++)
|
|
{
|
|
auto itB = itA;
|
|
while (++itB != schema.Vector().end())
|
|
{
|
|
if (*itA == *itB)
|
|
return validator.makeErrorMessage("List must consist from unique items");
|
|
}
|
|
}
|
|
}
|
|
return "";
|
|
}
|
|
}
|
|
|
|
namespace Struct
|
|
{
|
|
std::string maxPropertiesCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
if (data.Struct().size() > schema.Float())
|
|
return validator.makeErrorMessage((boost::format("Number of entries is bigger than %d") % schema.Float()).str());
|
|
return "";
|
|
}
|
|
|
|
std::string minPropertiesCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
if (data.Struct().size() < schema.Float())
|
|
return validator.makeErrorMessage((boost::format("Number of entries is less than %d") % schema.Float()).str());
|
|
return "";
|
|
}
|
|
|
|
std::string uniquePropertiesCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
for (auto itA = data.Struct().begin(); itA != data.Struct().end(); itA++)
|
|
{
|
|
auto itB = itA;
|
|
while (++itB != data.Struct().end())
|
|
{
|
|
if (itA->second == itB->second)
|
|
return validator.makeErrorMessage("List must consist from unique items");
|
|
}
|
|
}
|
|
return "";
|
|
}
|
|
|
|
std::string requiredCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
std::string errors;
|
|
for(const auto & required : schema.Vector())
|
|
{
|
|
if (data[required.String()].isNull())
|
|
errors += validator.makeErrorMessage("Required entry " + required.String() + " is missing");
|
|
}
|
|
return errors;
|
|
}
|
|
|
|
std::string dependenciesCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
std::string errors;
|
|
for(const auto & deps : schema.Struct())
|
|
{
|
|
if (!data[deps.first].isNull())
|
|
{
|
|
if (deps.second.getType() == JsonNode::JsonType::DATA_VECTOR)
|
|
{
|
|
JsonVector depList = deps.second.Vector();
|
|
for(auto & depEntry : depList)
|
|
{
|
|
if (data[depEntry.String()].isNull())
|
|
errors += validator.makeErrorMessage("Property " + depEntry.String() + " required for " + deps.first + " is missing");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!check(deps.second, data, validator).empty())
|
|
errors += validator.makeErrorMessage("Requirements for " + deps.first + " are not fulfilled");
|
|
}
|
|
}
|
|
}
|
|
return errors;
|
|
}
|
|
|
|
std::string propertyEntryCheck(Validation::ValidationData & validator, const JsonNode &node, const JsonNode & schema, const std::string & nodeName)
|
|
{
|
|
validator.currentPath.emplace_back();
|
|
validator.currentPath.back().String() = nodeName;
|
|
auto onExit = vstd::makeScopeGuard([&]()
|
|
{
|
|
validator.currentPath.pop_back();
|
|
});
|
|
|
|
// there is schema specifically for this item
|
|
if (!schema.isNull())
|
|
return check(schema, node, validator);
|
|
return "";
|
|
}
|
|
|
|
std::string propertiesCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
std::string errors;
|
|
|
|
for(const auto & entry : data.Struct())
|
|
errors += propertyEntryCheck(validator, entry.second, schema[entry.first], entry.first);
|
|
return errors;
|
|
}
|
|
|
|
std::string additionalPropertiesCheck(Validation::ValidationData & validator, const JsonNode & baseSchema, const JsonNode & schema, const JsonNode & data)
|
|
{
|
|
std::string errors;
|
|
for(const auto & entry : data.Struct())
|
|
{
|
|
if (baseSchema["properties"].Struct().count(entry.first) == 0)
|
|
{
|
|
// try generic additionalItems schema
|
|
if (schema.getType() == JsonNode::JsonType::DATA_STRUCT)
|
|
errors += propertyEntryCheck(validator, entry.second, schema, entry.first);
|
|
|
|
// or, additionalItems field can be bool which indicates if such items are allowed
|
|
else if(!schema.isNull() && !schema.Bool()) // present and set to false - error
|
|
errors += validator.makeErrorMessage("Unknown entry found: " + entry.first);
|
|
}
|
|
}
|
|
return errors;
|
|
}
|
|
}
|
|
|
|
namespace Formats
|
|
{
|
|
bool testFilePresence(const std::string & scope, const ResourceID & resource)
|
|
{
|
|
std::set<std::string> allowedScopes;
|
|
if(scope != CModHandler::scopeBuiltin() && !scope.empty()) // all real mods may have dependencies
|
|
{
|
|
//NOTE: recursive dependencies are not allowed at the moment - update code if this changes
|
|
bool found = true;
|
|
allowedScopes = VLC->modh->getModDependencies(scope, found);
|
|
|
|
if(!found)
|
|
return false;
|
|
|
|
allowedScopes.insert(CModHandler::scopeBuiltin()); // all mods can use H3 files
|
|
}
|
|
allowedScopes.insert(scope); // mods can use their own files
|
|
|
|
for(const auto & entry : allowedScopes)
|
|
{
|
|
if (CResourceHandler::get(entry)->existsResource(resource))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
#define TEST_FILE(scope, prefix, file, type) \
|
|
if (testFilePresence(scope, ResourceID(prefix + file, type))) \
|
|
return ""
|
|
|
|
std::string testAnimation(const std::string & path, const std::string & scope)
|
|
{
|
|
TEST_FILE(scope, "Sprites/", path, EResType::ANIMATION);
|
|
TEST_FILE(scope, "Sprites/", path, EResType::TEXT);
|
|
return "Animation file \"" + path + "\" was not found";
|
|
}
|
|
|
|
std::string textFile(const JsonNode & node)
|
|
{
|
|
TEST_FILE(node.meta, "", node.String(), EResType::TEXT);
|
|
return "Text file \"" + node.String() + "\" was not found";
|
|
}
|
|
|
|
std::string musicFile(const JsonNode & node)
|
|
{
|
|
TEST_FILE(node.meta, "", node.String(), EResType::MUSIC);
|
|
return "Music file \"" + node.String() + "\" was not found";
|
|
}
|
|
|
|
std::string soundFile(const JsonNode & node)
|
|
{
|
|
TEST_FILE(node.meta, "Sounds/", node.String(), EResType::SOUND);
|
|
return "Sound file \"" + node.String() + "\" was not found";
|
|
}
|
|
|
|
std::string defFile(const JsonNode & node)
|
|
{
|
|
return testAnimation(node.String(), node.meta);
|
|
}
|
|
|
|
std::string animationFile(const JsonNode & node)
|
|
{
|
|
return testAnimation(node.String(), node.meta);
|
|
}
|
|
|
|
std::string imageFile(const JsonNode & node)
|
|
{
|
|
TEST_FILE(node.meta, "Data/", node.String(), EResType::IMAGE);
|
|
TEST_FILE(node.meta, "Sprites/", node.String(), EResType::IMAGE);
|
|
if (node.String().find(':') != std::string::npos)
|
|
return testAnimation(node.String().substr(0, node.String().find(':')), node.meta);
|
|
return "Image file \"" + node.String() + "\" was not found";
|
|
}
|
|
|
|
std::string videoFile(const JsonNode & node)
|
|
{
|
|
TEST_FILE(node.meta, "Video/", node.String(), EResType::VIDEO);
|
|
return "Video file \"" + node.String() + "\" was not found";
|
|
}
|
|
|
|
#undef TEST_FILE
|
|
}
|
|
|
|
Validation::TValidatorMap createCommonFields()
|
|
{
|
|
Validation::TValidatorMap ret;
|
|
|
|
ret["format"] = Common::formatCheck;
|
|
ret["allOf"] = Common::allOfCheck;
|
|
ret["anyOf"] = Common::anyOfCheck;
|
|
ret["oneOf"] = Common::oneOfCheck;
|
|
ret["enum"] = Common::enumCheck;
|
|
ret["type"] = Common::typeCheck;
|
|
ret["not"] = Common::notCheck;
|
|
ret["$ref"] = Common::refCheck;
|
|
|
|
// fields that don't need implementation
|
|
ret["title"] = Common::emptyCheck;
|
|
ret["$schema"] = Common::emptyCheck;
|
|
ret["default"] = Common::emptyCheck;
|
|
ret["description"] = Common::emptyCheck;
|
|
ret["definitions"] = Common::emptyCheck;
|
|
return ret;
|
|
}
|
|
|
|
Validation::TValidatorMap createStringFields()
|
|
{
|
|
Validation::TValidatorMap ret = createCommonFields();
|
|
ret["maxLength"] = String::maxLengthCheck;
|
|
ret["minLength"] = String::minLengthCheck;
|
|
|
|
ret["pattern"] = Common::notImplementedCheck;
|
|
return ret;
|
|
}
|
|
|
|
Validation::TValidatorMap createNumberFields()
|
|
{
|
|
Validation::TValidatorMap ret = createCommonFields();
|
|
ret["maximum"] = Number::maximumCheck;
|
|
ret["minimum"] = Number::minimumCheck;
|
|
ret["multipleOf"] = Number::multipleOfCheck;
|
|
|
|
ret["exclusiveMaximum"] = Common::emptyCheck;
|
|
ret["exclusiveMinimum"] = Common::emptyCheck;
|
|
return ret;
|
|
}
|
|
|
|
Validation::TValidatorMap createVectorFields()
|
|
{
|
|
Validation::TValidatorMap ret = createCommonFields();
|
|
ret["items"] = Vector::itemsCheck;
|
|
ret["minItems"] = Vector::minItemsCheck;
|
|
ret["maxItems"] = Vector::maxItemsCheck;
|
|
ret["uniqueItems"] = Vector::uniqueItemsCheck;
|
|
ret["additionalItems"] = Vector::additionalItemsCheck;
|
|
return ret;
|
|
}
|
|
|
|
Validation::TValidatorMap createStructFields()
|
|
{
|
|
Validation::TValidatorMap ret = createCommonFields();
|
|
ret["additionalProperties"] = Struct::additionalPropertiesCheck;
|
|
ret["uniqueProperties"] = Struct::uniquePropertiesCheck;
|
|
ret["maxProperties"] = Struct::maxPropertiesCheck;
|
|
ret["minProperties"] = Struct::minPropertiesCheck;
|
|
ret["dependencies"] = Struct::dependenciesCheck;
|
|
ret["properties"] = Struct::propertiesCheck;
|
|
ret["required"] = Struct::requiredCheck;
|
|
|
|
ret["patternProperties"] = Common::notImplementedCheck;
|
|
return ret;
|
|
}
|
|
|
|
Validation::TFormatMap createFormatMap()
|
|
{
|
|
Validation::TFormatMap ret;
|
|
ret["textFile"] = Formats::textFile;
|
|
ret["musicFile"] = Formats::musicFile;
|
|
ret["soundFile"] = Formats::soundFile;
|
|
ret["defFile"] = Formats::defFile;
|
|
ret["animationFile"] = Formats::animationFile;
|
|
ret["imageFile"] = Formats::imageFile;
|
|
ret["videoFile"] = Formats::videoFile;
|
|
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
namespace Validation
|
|
{
|
|
std::string ValidationData::makeErrorMessage(const std::string &message)
|
|
{
|
|
std::string errors;
|
|
errors += "At ";
|
|
if (!currentPath.empty())
|
|
{
|
|
for(const JsonNode &path : currentPath)
|
|
{
|
|
errors += "/";
|
|
if (path.getType() == JsonNode::JsonType::DATA_STRING)
|
|
errors += path.String();
|
|
else
|
|
errors += std::to_string(static_cast<unsigned>(path.Float()));
|
|
}
|
|
}
|
|
else
|
|
errors += "<root>";
|
|
errors += "\n\t Error: " + message + "\n";
|
|
return errors;
|
|
}
|
|
|
|
std::string check(const std::string & schemaName, const JsonNode & data)
|
|
{
|
|
ValidationData validator;
|
|
return check(schemaName, data, validator);
|
|
}
|
|
|
|
std::string check(const std::string & schemaName, const JsonNode & data, ValidationData & validator)
|
|
{
|
|
validator.usedSchemas.push_back(schemaName);
|
|
auto onscopeExit = vstd::makeScopeGuard([&]()
|
|
{
|
|
validator.usedSchemas.pop_back();
|
|
});
|
|
return check(JsonUtils::getSchema(schemaName), data, validator);
|
|
}
|
|
|
|
std::string check(const JsonNode & schema, const JsonNode & data, ValidationData & validator)
|
|
{
|
|
const TValidatorMap & knownFields = getKnownFieldsFor(data.getType());
|
|
std::string errors;
|
|
for(const auto & entry : schema.Struct())
|
|
{
|
|
auto checker = knownFields.find(entry.first);
|
|
if (checker != knownFields.end())
|
|
errors += checker->second(validator, schema, entry.second, data);
|
|
//else
|
|
// errors += validator.makeErrorMessage("Unknown entry in schema " + entry.first);
|
|
}
|
|
return errors;
|
|
}
|
|
|
|
const TValidatorMap & getKnownFieldsFor(JsonNode::JsonType type)
|
|
{
|
|
static const TValidatorMap commonFields = createCommonFields();
|
|
static const TValidatorMap numberFields = createNumberFields();
|
|
static const TValidatorMap stringFields = createStringFields();
|
|
static const TValidatorMap vectorFields = createVectorFields();
|
|
static const TValidatorMap structFields = createStructFields();
|
|
|
|
switch (type)
|
|
{
|
|
case JsonNode::JsonType::DATA_FLOAT:
|
|
case JsonNode::JsonType::DATA_INTEGER:
|
|
return numberFields;
|
|
case JsonNode::JsonType::DATA_STRING: return stringFields;
|
|
case JsonNode::JsonType::DATA_VECTOR: return vectorFields;
|
|
case JsonNode::JsonType::DATA_STRUCT: return structFields;
|
|
default: return commonFields;
|
|
}
|
|
}
|
|
|
|
const TFormatMap & getKnownFormats()
|
|
{
|
|
static TFormatMap knownFormats = createFormatMap();
|
|
return knownFormats;
|
|
}
|
|
|
|
} // Validation namespace
|
|
|
|
VCMI_LIB_NAMESPACE_END
|