bool GetVersionValue(int startPropertyIndex, out VersionOccurrence v)
{
v = null;
Matcher.MatchWhiteSpaces(0);
string version;
if (!Matcher.TryMatchJSONQuotedString(out version))
{
return(Matcher.SetError("Version string expected."));
}
int end = Matcher.StartIndex;
Matcher.MatchWhiteSpaces(0);
bool comma = Matcher.Head == ',';
if (comma)
{
end = Matcher.StartIndex + 1;
}
v = new VersionOccurrence(version, startPropertyIndex, end - startPropertyIndex, comma);
if (_versions != null)
{
CollectVersion(v);
}
return(true);
}
public override bool VisitObjectProperty( int startPropertyIndex, string propertyName, int propertyIndex )
{
if( Path.Count == 0 )
{
_hasTopLevelProperties = true;
if( propertyName == "version" )
{
if( _thisVersion != null ) return Matcher.SetError( "Duplicate version." );
return GetVersionValue( startPropertyIndex, out _thisVersion );
}
}
else if( _versions != null && Path[Path.Count-1].PropertyName == "dependencies" && _projectNameFinder( propertyName ) )
{
Matcher.MatchWhiteSpaces( 0 );
if( Matcher.Head == '{' )
{
JSONVersionFinder f = new JSONVersionFinder( Matcher, null, null );
if( f.ThisVersion == null ) return Matcher.SetError( "Property version expected." );
CollectVersion( f.ThisVersion );
}
else
{
int start = Matcher.StartIndex;
string version;
if( !Matcher.TryMatchJSONQuotedString( out version ) ) return Matcher.SetError( "Version string expected." );
VersionOccurrence v = new VersionOccurrence( version, start, Matcher.StartIndex - start, false );
Debug.Assert( v.IsNakedVersionNumber );
CollectVersion( v );
}
return true;
}
return base.VisitObjectProperty( startPropertyIndex, propertyName, propertyIndex );
}
void CollectVersion(VersionOccurrence v)
{
Debug.Assert(_versions != null && v != null);
if (_versions.Count > 0)
{
_diffVersions |= _versions[0].Version != v.Version;
}
_versions.Add(v);
}
void ExtractVersions(string text)
{
StringMatcher m = new StringMatcher(text);
var allVersions = new List <VersionOccurrence>();
JSONVersionFinder finder = new JSONVersionFinder(m, _projectNameFinder, allVersions);
_thisVersion = finder.ThisVersion;
_allVersions = allVersions;
_sameVersions = finder.SameVersions;
_parseError = m.ErrorMessage;
}
public JSONVersionFinder( StringMatcher m, Func<string,bool> projectNameFinder, List<VersionOccurrence> allVersions )
: base( m )
{
_objectStart = -1;
_versions = allVersions;
_projectNameFinder = projectNameFinder;
if( Visit() )
{
if( _thisVersion == null && _objectStart >= 0 )
{
_thisVersion = new VersionOccurrence( String.Empty, _objectStart, 0, _hasTopLevelProperties );
if( _versions != null ) _versions.Insert( 0, _thisVersion );
}
}
if( _thisVersion == null && _versions != null ) _versions.Clear();
}
public override bool VisitObjectProperty(int startPropertyIndex, string propertyName, int propertyIndex)
{
if (Path.Count == 0)
{
_hasTopLevelProperties = true;
if (propertyName == "version")
{
if (_thisVersion != null)
{
return(Matcher.SetError("Duplicate version."));
}
return(GetVersionValue(startPropertyIndex, out _thisVersion));
}
}
else if (_versions != null && Path[Path.Count - 1].PropertyName == "dependencies" && _projectNameFinder(propertyName))
{
Matcher.MatchWhiteSpaces(0);
if (Matcher.Head == '{')
{
JSONVersionFinder f = new JSONVersionFinder(Matcher, null, null);
if (f.ThisVersion == null)
{
return(Matcher.SetError("Property version expected."));
}
CollectVersion(f.ThisVersion);
}
else
{
int start = Matcher.StartIndex;
string version;
if (!Matcher.TryMatchJSONQuotedString(out version))
{
return(Matcher.SetError("Version string expected."));
}
VersionOccurrence v = new VersionOccurrence(version, start, Matcher.StartIndex - start, false);
Debug.Assert(v.IsNakedVersionNumber);
CollectVersion(v);
}
return(true);
}
return(base.VisitObjectProperty(startPropertyIndex, propertyName, propertyIndex));
}
public JSONVersionFinder(StringMatcher m, Func <string, bool> projectNameFinder, List <VersionOccurrence> allVersions)
: base(m)
{
_objectStart = -1;
_versions = allVersions;
_projectNameFinder = projectNameFinder;
if (Visit())
{
if (_thisVersion == null && _objectStart >= 0)
{
_thisVersion = new VersionOccurrence(String.Empty, _objectStart, 0, _hasTopLevelProperties);
if (_versions != null)
{
_versions.Insert(0, _thisVersion);
}
}
}
if (_thisVersion == null && _versions != null)
{
_versions.Clear();
}
}
/// <summary>
/// Checks whether the two files are equal regardless of the "version: "" property.
/// Line endings must be normalized (or be the same) for this to work correctly.
/// </summary>
/// <param name="other">The other.</param>
/// <returns><c>true</c> if files are the same or differ only by their version, <c>false</c> otherwise.</returns>
public bool EqualsWithoutVersion(ProjectFileContent other)
{
// This ensures that ExtractVersion has been called.
if ((Version != null) != (other.Version != null))
{
return(false);
}
if (_thisVersion == null)
{
return(_text == other._text);
}
if (_allVersions.Count != other._allVersions.Count)
{
return(false);
}
int last = 0, oLast = 0;
for (int i = 0; i < _allVersions.Count; ++i)
{
VersionOccurrence o = _allVersions[i];
VersionOccurrence oo = other._allVersions[i];
int lenBefore = o.Start - last;
if (lenBefore != (oo.Start - oLast) ||
string.Compare(_text, last, other._text, oLast, lenBefore, StringComparison.Ordinal) != 0)
{
return(false);
}
last = o.End;
oLast = oo.End;
}
int lenAfter = _text.Length - last;
if (lenAfter != (other._text.Length - oLast) ||
string.Compare(_text, last, other._text, oLast, lenAfter, StringComparison.Ordinal) != 0)
{
return(false);
}
return(true);
}
bool GetVersionValue( int startPropertyIndex, out VersionOccurrence v )
{
v = null;
Matcher.MatchWhiteSpaces( 0 );
string version;
if( !Matcher.TryMatchJSONQuotedString( out version ) ) return Matcher.SetError( "Version string expected." );
int end = Matcher.StartIndex;
Matcher.MatchWhiteSpaces( 0 );
bool comma = Matcher.Head == ',';
if( comma ) end = Matcher.StartIndex + 1;
v = new VersionOccurrence( version, startPropertyIndex, end - startPropertyIndex, comma );
if( _versions != null ) CollectVersion( v );
return true;
}
void CollectVersion( VersionOccurrence v )
{
Debug.Assert( _versions != null && v != null );
if( _versions.Count > 0 )
{
_diffVersions |= _versions[0].Version != v.Version;
}
_versions.Add( v );
}
void ExtractVersions( string text )
{
StringMatcher m = new StringMatcher( text );
var allVersions = new List<VersionOccurrence>();
JSONVersionFinder finder = new JSONVersionFinder( m, _projectNameFinder, allVersions );
_thisVersion = finder.ThisVersion;
_allVersions = allVersions;
_sameVersions = finder.SameVersions;
_parseError = m.ErrorMessage;
}
