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// slang-semantic-version.h
#ifndef SLANG_SEMANTIC_VERSION_H
#define SLANG_SEMANTIC_VERSION_H
#include "../core/slang-basic.h"
#include "../core/slang-hash.h"
namespace Slang
{
struct SemanticVersion
{
typedef SemanticVersion ThisType;
typedef uint64_t IntegerType;
SemanticVersion():m_major(0), m_minor(0), m_patch(0) {}
SemanticVersion(int inMajor, int inMinor = 0, int inPatch = 0):
m_major(uint16_t(inMajor)),
m_minor(uint16_t(inMinor)),
m_patch(uint32_t(inPatch))
{}
void reset()
{
m_major = 0;
m_minor = 0;
m_patch = 0;
}
/// All zeros means nothing is set
bool isSet() const { return m_major || m_minor || m_patch; }
IntegerType toInteger() const { return (IntegerType(m_major) << 48) | (IntegerType(m_minor) << 32) | m_patch; }
void setFromInteger(IntegerType v)
{
set(int(v >> 48), int((v >> 32) & 0xffff), int(v & 0xffffffff));
}
void set(int major, int minor, int patch = 0)
{
SLANG_ASSERT(major >= 0 && minor >=0 && patch >= 0);
m_major = uint16_t(major);
m_minor = uint16_t(minor);
m_patch = uint32_t(patch);
}
/// Get hash value
HashCode getHashCode() const { return Slang::getHashCode(toInteger()); }
static SlangResult parse(const UnownedStringSlice& value, SemanticVersion& outVersion);
static SlangResult parse(const UnownedStringSlice& value, char separatorChar, SemanticVersion& outVersion);
static ThisType getEarliest(const ThisType* versions, Count count);
static ThisType getLatest(const ThisType* versions, Count count);
void append(StringBuilder& buf) const;
bool operator>(const ThisType& rhs) const { return toInteger() > rhs.toInteger(); }
bool operator>=(const ThisType& rhs) const { return toInteger() >= rhs.toInteger(); }
bool operator<(const ThisType& rhs) const { return toInteger() < rhs.toInteger(); }
bool operator<=(const ThisType& rhs) const { return toInteger() <= rhs.toInteger(); }
bool operator==(const ThisType& rhs) const { return toInteger() == rhs.toInteger(); }
bool operator!=(const ThisType& rhs) const { return toInteger() != rhs.toInteger(); }
uint16_t m_major;
uint16_t m_minor;
uint32_t m_patch; ///< Patch number. Can actually be quite large for some code bases.
};
/* Adds to the semantic versioning information for an incomplete version that can be matched */
struct MatchSemanticVersion
{
typedef MatchSemanticVersion ThisType;
enum class Kind
{
Unknown, ///< Not known
Past, ///< Some unknown past version
Future, ///< Some future unknown version
Major, ///< Major version is defined (minor is in effect undefined)
MajorMinor, ///< Major and minor version are defined
MajorMinorPatch, ///< All elements of semantic version are defined
};
/// True if has a complete version
bool hasCompleteVersion() const { return m_kind == Kind::MajorMinorPatch; }
/// True if has some version information
bool hasVersion() const { return Index(m_kind) >= Index(Kind::Major); }
void set(Index major) { m_kind = Kind::Major; m_version = SemanticVersion(int(major), 0, 0); }
void set(Index major, Index minor) { m_kind = Kind::MajorMinor; m_version = SemanticVersion(int(major), int(minor), 0); }
void set(Index major, Index minor, Index patch) { m_kind = Kind::MajorMinorPatch; m_version = SemanticVersion(int(major), int(minor), int(patch)); }
void append(StringBuilder& buf) const;
static MatchSemanticVersion makeFuture() { MatchSemanticVersion version; version.m_kind = Kind::Future; return version; }
/// Finds the 'best' version based on the versions passed.
/// Doesn't follow strict semantic rules as will attempt to return the closest 'any' in past or future
/// If none can be found, returns an empty semantic version
static SemanticVersion findAnyBest(const SemanticVersion* versions, Count count, const ThisType& matchVersion);
MatchSemanticVersion():m_kind(Kind::Unknown) {}
MatchSemanticVersion(Kind kind, const SemanticVersion& version):
m_kind(kind),
m_version(version)
{}
Kind m_kind;
SemanticVersion m_version;
};
}
#endif
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