Use ranges for dependency version

1 files changed, 51 insertions, 0 deletions

diff --git a/include/VersionParser.hpp b/include/VersionParser.hpp
new file mode 100644
index 0000000..eba4d33
--- /dev/null
+++ b/include/VersionParser.hpp
@@ -0,0 +1,51 @@
+#pragma once
+
+#include "types.hpp"
+#include "Version.hpp"
+#include "Result.hpp"
+#include "StringView.hpp"
+#include <string>
+
+namespace sibs
+{
+    Result<PackageVersion> parsePackageVersion(const StringView &versionStr, int *size);
+
+    enum class VersionToken
+    {
+        NONE,
+        END_OF_FILE,
+        INVALID,
+        OPERATION,
+        AND,
+        VERSION_NUMBER
+    };
+
+    struct VersionTokenizer
+    {
+        VersionTokenizer();
+        VersionTokenizer(const char *start, const usize size);
+        VersionTokenizer(const VersionTokenizer &other);
+        VersionToken next();
+
+
+        const char *start;
+        const char *code;
+        usize size;
+        usize index;
+        PackageVersion version;
+        VersionOperation operation;
+        StringView identifier;
+        std::string errMsg;
+    };
+
+    struct VersionParser
+    {
+        Result<PackageVersionRange> parse(const char *code, const usize size);
+
+        VersionTokenizer tokenizer;
+        PackageVersionRange versionRange;
+    private:
+        VersionToken parseStart();
+        VersionToken parseEnd();
+    };
+}
\ No newline at end of file