From 6bb79ef033c2a2e8f12c9da6409e3547af40417c Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Thu, 18 Oct 2018 07:05:43 +0200
Subject: Use ranges for dependency version

---
 src/Version.cpp | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 src/Version.cpp

(limited to 'src/Version.cpp')

diff --git a/src/Version.cpp b/src/Version.cpp
new file mode 100644
index 0000000..26e5dbd
--- /dev/null
+++ b/src/Version.cpp
@@ -0,0 +1,86 @@
+#include "../include/Version.hpp"
+#include <cassert>
+
+namespace sibs
+{
+    const char* asString(VersionOperation operation)
+    {
+        switch(operation)
+        {
+            case VersionOperation::LESS:                return "<";
+            case VersionOperation::LESS_EQUAL:          return "<=";
+            case VersionOperation::EQUAL:               return "=";
+            case VersionOperation::GREATER:             return ">";
+            case VersionOperation::GREATER_EQUAL:       return ">=";
+            default:                                    return "";
+        }
+    }
+
+    std::string PackageVersion::toString() const
+    {
+        std::string result;
+        result += std::to_string(major);
+        result += ".";
+        result += std::to_string(minor);
+        result += ".";
+        result += std::to_string(patch);
+        return result;
+    }
+
+    std::string PackageVersionRange::toString() const
+    {
+        std::string result;
+        result += asString(startOperation);
+        result += start.toString();
+        if(endDefined)
+        {
+            result += " and ";
+            result += asString(endOperation);
+            result += end.toString();
+        }
+        return result;
+    }
+
+    static bool isInRangeOfEnd(const PackageVersionRange &versionRange, const PackageVersion &version)
+    {
+        if(!versionRange.endDefined)
+            return true;
+
+        switch(versionRange.endOperation)
+        {
+            case VersionOperation::LESS:
+                return version < versionRange.end;
+            case VersionOperation::LESS_EQUAL:
+                return version <= versionRange.end;
+            default:
+                assert(false);
+                return true;
+        }
+    }
+
+    bool PackageVersionRange::isInRange(const PackageVersion &version) const
+    {
+        switch(startOperation)
+        {
+            case VersionOperation::LESS:
+                return version < start;
+            case VersionOperation::LESS_EQUAL:
+                return version <= start;
+            case VersionOperation::EQUAL:
+                return version == start;
+            case VersionOperation::GREATER:
+            {
+                if(version <= start)
+                    return false;
+                return isInRangeOfEnd(*this, version);
+            }
+            case VersionOperation::GREATER_EQUAL:
+            {
+                if(version < start)
+                    return false;
+                return isInRangeOfEnd(*this, version);
+            }
+        }
+        return true;
+    }
+}
\ No newline at end of file
-- 
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