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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "versionspecification.h"
#include "version.h"
#include <vespa/vespalib/util/exceptions.h>
#include <vespa/vespalib/text/stringtokenizer.h>
#include <vespa/vespalib/stllike/asciistream.h>
#include <cctype>
#include <climits>
namespace vespalib {
VersionSpecification::VersionSpecification(int major, int minor, int micro, const string & qualifier)
: _major(major),
_minor(minor),
_micro(micro),
_qualifier(qualifier),
_stringValue()
{
initialize();
}
VersionSpecification::VersionSpecification(const VersionSpecification &) = default;
VersionSpecification::~VersionSpecification() = default;
VersionSpecification &VersionSpecification::operator=(const VersionSpecification &rhs) = default;
void
VersionSpecification::initialize()
{
asciistream buf;
if (_major == UNSPECIFIED) { buf << "*"; } else { buf << _major; }
buf << ".";
if (_minor == UNSPECIFIED) { buf << "*"; } else { buf << _minor; }
buf << ".";
if (_micro == UNSPECIFIED) { buf << "*"; } else { buf << _micro; }
if (_qualifier != "") {
buf << "." << _qualifier;
}
_stringValue = buf.str();
if ((_major < UNSPECIFIED) || (_minor < UNSPECIFIED) || (_micro < UNSPECIFIED) || !_qualifier.empty()) {
verifySanity();
}
}
void
VersionSpecification::verifySanity()
{
if (_major < UNSPECIFIED)
throw IllegalArgumentException("Negative major in " + _stringValue);
if (_minor < UNSPECIFIED)
throw IllegalArgumentException("Negative minor in " + _stringValue);
if (_micro < UNSPECIFIED)
throw IllegalArgumentException("Negative micro in " + _stringValue);
if (_qualifier != "") {
for (size_t i = 0; i < _qualifier.length(); i++) {
unsigned char c = _qualifier[i];
if (! isalnum(c)) {
throw IllegalArgumentException("Error in " + _stringValue + ": Invalid character in qualifier");
}
}
}
}
static int parseInteger(const VersionSpecification::string & input) __attribute__((noinline));
static int parseInteger(const VersionSpecification::string & input)
{
const char *s = input.c_str();
unsigned char firstDigit = s[0];
if (!isdigit(firstDigit))
throw IllegalArgumentException("integer must start with a digit");
char *ep;
long ret = strtol(s, &ep, 10);
if (ret > INT_MAX || ret < 0) {
throw IllegalArgumentException("integer out of range");
}
if (*ep != '\0') {
throw IllegalArgumentException("extra characters after integer");
}
return ret;
}
VersionSpecification::VersionSpecification(const string & versionString)
: _major(UNSPECIFIED),
_minor(UNSPECIFIED),
_micro(UNSPECIFIED),
_qualifier(),
_stringValue()
{
if (versionString != "") {
StringTokenizer components(versionString, ".", ""); // Split on dot
if (components.size() > 0)
_major = parseInteger(components[0]);
if (components.size() > 1)
_minor = parseInteger(components[1]);
if (components.size() > 2)
_micro = parseInteger(components[2]);
if (components.size() > 3)
_qualifier = components[3];
if (components.size() > 4)
throw IllegalArgumentException("too many dot-separated components in version string");
}
initialize();
}
bool
VersionSpecification::equals(const VersionSpecification& other) const
{
if (_major != other._major) return false;
if (_minor != other._minor) return false;
if (_micro != other._micro) return false;
if (_qualifier != other._qualifier) return false;
return true;
}
int
VersionSpecification::compareTo(const VersionSpecification& other) const
{
int result = _major - other._major;
if (result != 0) return result;
result = _minor - other._minor;
if (result != 0) return result;
result = _micro - other._micro;
if (result != 0) return result;
return _qualifier.compare(other._qualifier);
}
bool
VersionSpecification::matches(int spec, int v) const
{
if (spec == VersionSpecification::UNSPECIFIED) return true;
return (spec == v);
}
bool
VersionSpecification::matches(const Version& version) const
{
if (matches(_major, version.getMajor()) &&
matches(_minor, version.getMinor()) &&
matches(_micro, version.getMicro()))
{
return getQualifier() == version.getQualifier();
} else {
return false;
}
}
} // namespace vespalib
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