Merge pull request #595 from kotisoff/main

Проверка версий зависимостей

src/content/ContentPack.cpp

@@ -132,7 +132,44 @@ ContentPack ContentPack::read(const io::path& folder) {
                     level = DependencyLevel::weak;
                     break;
             }
-            pack.dependencies.push_back({level, depName});
+
+            std::string depVer = "*";
+            std::string depVerOperator = "=";
+
+            size_t versionPos = depName.rfind("@");
+            if (versionPos != std::string::npos) {
+                depVer = depName.substr(versionPos + 1);
+                depName = depName.substr(0, versionPos);
+
+                if (depVer.size() >= 2) {
+                    std::string op = depVer.substr(0, 2);
+                    std::uint8_t op_size = 0;
+
+                    // Two symbol operators
+                    if (op == ">=" || op == "=>" || op == "<=" || op == "=<") {
+                        op_size = 2;
+                        depVerOperator = op;
+                    }
+
+                    // One symbol operators
+                    else {
+                        op = depVer.substr(0, 1);
+
+                        if (op == ">" || op == "<") {
+                            op_size = 1;
+                            depVerOperator = op;
+                        }
+                    }
+
+                    depVer = depVer.substr(op_size);
+                } else {
+                    if (depVer == ">" || depVer == "<"){
+                        depVer = "*";
+                    }
+                }
+            }
+            
+            pack.dependencies.push_back({level, depName, depVer, depVerOperator});
         }
     }
 

src/content/ContentPack.hpp

@@ -20,11 +20,16 @@ public:
         io::path folder,
         const std::string& message
     );
-
+    
     std::string getPackId() const;
     io::path getFolder() const;
 };
 
+enum class DependencyVersionOperator {
+    equal, more, less,
+    more_or_equal, less_or_equal
+};
+
 enum class DependencyLevel {
     required,  // dependency must be installed
     optional,  // dependency will be installed if found
@@ -35,6 +40,8 @@ enum class DependencyLevel {
 struct DependencyPack {
     DependencyLevel level;
     std::string id;
+    std::string version;
+    std::string op;
 };
 
 struct ContentPackStats {

src/content/ContentPackVersion.cpp

@@ -0,0 +1,66 @@
+#include "ContentPackVersion.hpp"
+
+#include <algorithm>
+#include <iostream>
+#include <sstream>
+
+#include "coders/commons.hpp"
+
+Version::Version(const std::string& version) {
+    major = 0;
+    minor = 0;
+    patch = 0;
+
+    std::vector<int> parts;
+
+    std::stringstream ss(version);
+    std::string part;
+    while (std::getline(ss, part, '.')) {
+        if (!part.empty()) {
+            parts.push_back(std::stoi(part));
+        }
+    }
+
+    if (parts.size() > 0) major = parts[0];
+    if (parts.size() > 1) minor = parts[1];
+    if (parts.size() > 2) patch = parts[2];
+}
+
+DependencyVersionOperator Version::string_to_operator(const std::string& op) {
+    if (op == "=")
+        return DependencyVersionOperator::equal;
+    else if (op == ">")
+        return DependencyVersionOperator::more;
+    else if (op == "<")
+        return DependencyVersionOperator::less;
+    else if (op == ">=" || op == "=>")
+        return DependencyVersionOperator::more_or_equal;
+    else if (op == "<=" || op == "=<")
+        return DependencyVersionOperator::less_or_equal;
+    else return DependencyVersionOperator::equal;
+}
+
+bool isNumber(const std::string& s) {
+    return !s.empty() && std::all_of(s.begin(), s.end(), ::is_digit);
+}
+
+bool Version::matches_pattern(const std::string& version) {
+    for (char c : version) {
+        if (!isdigit(c) && c != '.') {
+            return false;
+        }
+    }
+
+    std::stringstream ss(version);
+
+    std::vector<std::string> parts;
+    std::string part;
+    while (std::getline(ss, part, '.')) {
+        if (part.empty()) return false;
+        if (!isNumber(part)) return false;
+
+        parts.push_back(part);
+    }
+
+    return parts.size() == 2 || parts.size() == 3;
+}

src/content/ContentPackVersion.hpp

@@ -0,0 +1,51 @@
+#include <string>
+
+#include "content/ContentPack.hpp"
+
+class Version {
+    public:
+        int major;
+        int minor;
+        int patch;
+
+        Version(const std::string& version);
+        
+        bool operator==(const Version& other) const {
+            return major == other.major && minor == other.minor && patch == other.patch;
+        }
+
+        bool operator<(const Version& other) const {
+            if (major != other.major) return major < other.major;
+            if (minor != other.minor) return minor < other.minor;
+            return patch < other.patch;
+        }
+
+
+        bool operator>(const Version& other) const {
+            return other < *this;
+        }
+
+        bool operator>=(const Version& other) const {
+            return !(*this < other);
+        }
+
+        bool operator<=(const Version& other) const {
+            return !(*this > other);
+        }
+
+        bool process_operator(const std::string& op, const Version& other) const {
+            auto dep_op = Version::string_to_operator(op);
+
+            switch(dep_op) {
+                case DependencyVersionOperator::equal: return *this == other;
+                case DependencyVersionOperator::more: return *this > other;
+                case DependencyVersionOperator::less: return *this < other;
+                case DependencyVersionOperator::less_or_equal: return *this <= other;
+                case DependencyVersionOperator::more_or_equal: return *this >= other;
+                default: return false;
+            }
+        }
+
+        static DependencyVersionOperator string_to_operator(const std::string& op);
+        static bool matches_pattern(const std::string& version);
+};

src/content/PacksManager.cpp

@@ -3,6 +3,7 @@
 #include <queue>
 #include <sstream>
 
+#include "ContentPackVersion.hpp"
 #include "util/listutil.hpp"
 
 PacksManager::PacksManager() = default;
@@ -106,6 +107,23 @@ static bool resolve_dependencies(
             continue;
         }
 
+        auto dep_pack = found -> second;
+
+        if (Version::matches_pattern(dep.version) && Version::matches_pattern(dep_pack.version)
+            && Version(dep_pack.version)
+                .process_operator(dep.op, Version(dep.version))
+        ) {
+            // dependency pack version meets the required one
+            continue;
+        } else if (dep.version == "*" || dep.version == dep_pack.version){
+            // fallback: dependency pack version also meets required one
+            continue;
+        } else {
+            throw contentpack_error(
+                dep.id, io::path(), "does not meet required version '" + dep.op + dep.version +"' of '" + pack->id + "'"
+            );
+        }
+
         if (!util::contains(allNames, dep.id) &&
             dep.level != DependencyLevel::weak) {
             allNames.push_back(dep.id);