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Const correctness and minor bugfixes all over the code.

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This commit is contained in:
Ferdinand Majerech 2011-10-30 20:24:43 +01:00
parent 8208e817de
commit f95f0d14c8
18 changed files with 107 additions and 92 deletions
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4
dyaml/composer.d
View file

@ -135,9 +135,7 @@ final class Composer
//Drop the DOCUMENT-END event.
parser_.getEvent();
//Clear anchors.
Node[Anchor] empty;
anchors_ = empty;
clear(anchors_);
return node;
}

28
dyaml/dumper.d
View file

@ -157,6 +157,8 @@ struct Dumper
public:
@disable this();
@disable bool opEquals(ref Dumper);
@disable int opCmp(ref Dumper);
/**
* Construct a Dumper writing to a file.
@ -165,7 +167,7 @@ struct Dumper
*
* Throws: YAMLException if the file can not be dumped to (e.g. cannot be opened).
*/
this(string filename)
this(in string filename)
{
name_ = filename;
try{this(new File(filename, FileMode.OutNew));}
@ -195,33 +197,33 @@ struct Dumper
}
///Set stream _name. Used in debugging messages.
@property void name(string name)
@property void name(in string name)
{
name_ = name;
}
///Specify custom Resolver to use.
void resolver(Resolver resolver)
@property void resolver(Resolver resolver)
{
clear(resolver_);
resolver_ = resolver;
}
///Specify custom Representer to use.
void representer(Representer representer)
@property void representer(Representer representer)
{
clear(representer_);
representer_ = representer;
}
///Write scalars in _canonical form?
void canonical(in bool canonical)
@property void canonical(in bool canonical)
{
canonical_ = canonical;
}
///Set indentation width. 2 by default. Must not be zero.
void indent(in uint indent)
@property void indent(in uint indent)
in
{
assert(indent != 0, "Can't use zero YAML indent width");
@ -232,37 +234,37 @@ struct Dumper
}
///Set preferred text _width.
void textWidth(in uint width)
@property void textWidth(in uint width)
{
textWidth_ = width;
}
///Set line break to use. Unix by default.
void lineBreak(in LineBreak lineBreak)
@property void lineBreak(in LineBreak lineBreak)
{
lineBreak_ = lineBreak;
}
///Set character _encoding to use. UTF-8 by default.
void encoding(in Encoding encoding)
@property void encoding(in Encoding encoding)
{
encoding_ = encoding;
}
///Always explicitly write document start?
void explicitStart(in bool explicit)
@property void explicitStart(in bool explicit)
{
explicitStart_ = explicit;
}
///Always explicitly write document end?
void explicitEnd(in bool explicit)
@property void explicitEnd(in bool explicit)
{
explicitEnd_ = explicit;
}
///Specify YAML version string. "1.1" by default.
void YAMLVersion(in string YAMLVersion)
@property void YAMLVersion(in string YAMLVersion)
{
YAMLVersion_ = YAMLVersion;
}
@ -297,7 +299,7 @@ struct Dumper
* dumper.dump(Node("foo"));
* --------------------
*/
void tagDirectives(string[string] tags)
@property void tagDirectives(string[string] tags)
{
tagDirective[] t;
foreach(handle, prefix; tags)

24
dyaml/emitter.d
View file

@ -148,8 +148,8 @@ struct Emitter
ScalarStyle style_ = ScalarStyle.Invalid;
public:
@disable int opCmp(ref Emitter e);
@disable bool opEquals(ref Emitter e);
@disable int opCmp(ref Emitter);
@disable bool opEquals(ref Emitter);
/**
* Construct an emitter.
@ -159,7 +159,8 @@ struct Emitter
* indent = Indentation width.
* lineBreak = Line break character/s.
*/
this(Stream stream, bool canonical, int indent, int width, LineBreak lineBreak)
this(Stream stream, in bool canonical, in int indent, in int width,
in LineBreak lineBreak)
in{assert(stream.writeable, "Can't emit YAML to a non-writable stream");}
body
{
@ -226,7 +227,7 @@ struct Emitter
}
///Write a string to the file/stream.
void writeString(string str)
void writeString(in string str)
{
try final switch(encoding_)
{
@ -329,7 +330,7 @@ struct Emitter
}
///Expect nothing, throwing if we still have something.
void expectNothing()
void expectNothing() const
{
throw new Error("Expected nothing, but got " ~ event_.idString);
}
@ -684,7 +685,7 @@ struct Emitter
}
immutable event = events_.peek();
bool emptyScalar = event.id == EventID.Scalar && event.anchor.isNull() &&
const emptyScalar = event.id == EventID.Scalar && event.anchor.isNull() &&
event.tag.isNull() && event.implicit && event.value == "";
return emptyScalar;
}
@ -867,7 +868,7 @@ struct Emitter
static void encodeChar(Writer)(ref Writer writer, in dchar c)
{
char[4] data;
auto bytes = encode(data, c);
const bytes = encode(data, c);
//For each byte add string in format %AB , where AB are hex digits of the byte.
foreach(const char b; data[0 .. bytes])
{
@ -1261,6 +1262,9 @@ struct ScalarWriter
}
private:
@disable int opCmp(ref Emitter);
@disable bool opEquals(ref Emitter);
///Used as "null" UTF-32 character.
immutable dcharNone = dchar.max;
@ -1286,7 +1290,7 @@ struct ScalarWriter
public:
///Construct a ScalarWriter using emitter to output text.
this(ref Emitter emitter, string text, bool split = true)
this(ref Emitter emitter, string text, in bool split = true)
{
emitter_ = &emitter;
text_ = text;
@ -1562,7 +1566,7 @@ struct ScalarWriter
}
///Determine hints (indicators) for block scalar.
size_t determineBlockHints(ref char[] hints, uint bestIndent)
size_t determineBlockHints(ref char[] hints, uint bestIndent) const
{
size_t hintsIdx = 0;
if(text_.length == 0){return hintsIdx;}
@ -1597,7 +1601,7 @@ struct ScalarWriter
{
char[4] hints;
hints[0] = indicator;
auto hintsLength = 1 + determineBlockHints(hints[1 .. $], emitter_.bestIndent_);
const hintsLength = 1 + determineBlockHints(hints[1 .. $], emitter_.bestIndent_);
emitter_.writeIndicator(cast(string)hints[0 .. hintsLength], true);
if(hints.length > 0 && hints[$ - 1] == '+')
{

6
dyaml/escapes.d
View file

@ -11,11 +11,11 @@ module dyaml.escapes;
package:
///Translation table from YAML escapes to dchars.
dchar[dchar] fromEscapes;
immutable dchar[dchar] fromEscapes;
///Translation table from dchars to YAML escapes.
dchar[dchar] toEscapes;
immutable dchar[dchar] toEscapes;
///Translation table from prefixes of escaped hexadecimal format characters to their lengths.
uint[dchar] escapeHexCodes;
immutable uint[dchar] escapeHexCodes;
static this()

14
dyaml/event.d
View file

@ -47,6 +47,8 @@ enum EventID : ubyte
*/
struct Event
{
@disable int opCmp(ref Event);
///Value of the event, if any.
string value;
///Start position of the event in file/stream.
@ -108,7 +110,7 @@ Event event(EventID id)(in Mark start, in Mark end, in Anchor anchor = Anchor())
*/
Event collectionStartEvent(EventID id)(in Mark start, in Mark end, in Anchor anchor,
in Tag tag, in bool implicit,
in CollectionStyle style)
in CollectionStyle style) pure
{
static assert(id == EventID.SequenceStart || id == EventID.SequenceEnd ||
id == EventID.MappingStart || id == EventID.MappingEnd);
@ -123,7 +125,7 @@ Event collectionStartEvent(EventID id)(in Mark start, in Mark end, in Anchor anc
* end = End position of the event in the file/stream.
* encoding = Encoding of the stream.
*/
Event streamStartEvent(in Mark start, in Mark end, Encoding encoding)
Event streamStartEvent(in Mark start, in Mark end, in Encoding encoding) pure
{
return Event(null, start, end, Anchor(), Tag(), EventID.StreamStart,
ScalarStyle.Invalid, false, false, TagDirectives(), encoding);
@ -148,8 +150,8 @@ alias collectionStartEvent!(EventID.MappingStart) mappingStartEvent;
* YAMLVersion = YAML version string of the document.
* tagDirectives = Tag directives of the document.
*/
Event documentStartEvent(Mark start, Mark end, bool explicit, string YAMLVersion,
TagDirectives tagDirectives)
Event documentStartEvent(in Mark start, in Mark end, bool explicit, string YAMLVersion,
in TagDirectives tagDirectives) pure
{
return Event(YAMLVersion, start, end, Anchor(), Tag(), EventID.DocumentStart,
ScalarStyle.Invalid, explicit, false, tagDirectives);
@ -162,7 +164,7 @@ Event documentStartEvent(Mark start, Mark end, bool explicit, string YAMLVersion
* end = End position of the event in the file/stream.
* explicit = Is this an explicit document end?
*/
Event documentEndEvent(Mark start, Mark end, bool explicit)
Event documentEndEvent(in Mark start, in Mark end, bool explicit) pure
{
return Event(null, start, end, Anchor(), Tag(), EventID.DocumentEnd,
ScalarStyle.Invalid, explicit);
@ -181,7 +183,7 @@ Event documentEndEvent(Mark start, Mark end, bool explicit)
*/
Event scalarEvent(in Mark start, in Mark end, in Anchor anchor, in Tag tag,
in Tuple!(bool, bool) implicit, in string value,
in ScalarStyle style = ScalarStyle.Invalid)
in ScalarStyle style = ScalarStyle.Invalid) pure
{
return Event(value, start, end, anchor, tag, EventID.Scalar, style, implicit[0],
implicit[1]);

2
dyaml/flags.d
View file

@ -35,6 +35,8 @@ package:
struct Flags(names ...) if(names.length <= 8)
{
private:
@disable int opCmp(ref Flags);
///Byte storing the flags.
ubyte flags_;

2
dyaml/loader.d
View file

@ -117,6 +117,8 @@ struct Loader
public:
@disable this();
@disable int opCmp(ref Loader);
@disable bool opEquals(ref Loader);
/**
* Construct a Loader to load YAML from a file.

10
dyaml/node.d
View file

@ -746,7 +746,7 @@ struct Node
}
else if(isMapping())
{
auto idx = findPair(index);
const idx = findPair(index);
if(idx < 0){add(index, value);}
else
{
@ -1033,7 +1033,7 @@ struct Node
}
else if(isMapping())
{
auto idx = findPair!(T, true)(value);
const idx = findPair!(T, true)(value);
if(idx >= 0)
{
auto pairs = as!(Node.Pair[])();
@ -1099,7 +1099,7 @@ struct Node
}
else if(isMapping())
{
auto idx = findPair(index);
const idx = findPair(index);
if(idx >= 0)
{
auto pairs = get!(Node.Pair[])();
@ -1185,9 +1185,9 @@ struct Node
const c2 = rhs.value_.get!(const T);
if(c1 is c2){return true;}
if(c1.length != c2.length){return false;}
foreach(ref i1, ref i2; lockstep(c1, c2))
foreach(i; 0 .. c1.length)
{
if(!i1.equals!useTag(i2)){return false;}
if(!c1[i].equals!useTag(c2[i])){return false;}
}
return true;
}

14
dyaml/parser.d
View file

@ -347,7 +347,7 @@ final class Parser
{
immutable token = scanner_.getToken();
//Name and value are separated by '\0'.
auto parts = token.value.split("\0");
const parts = token.value.split("\0");
const name = parts[0];
if(name == "YAML")
{
@ -367,8 +367,7 @@ final class Parser
foreach(ref pair; tagDirectives_)
{
//handle
auto h = pair[0];
auto replacement = pair[1];
const h = pair[0];
enforce(h != handle, new Error("Duplicate tag handle: " ~ handle,
token.startMark));
}
@ -382,14 +381,11 @@ final class Parser
foreach(ref defaultPair; defaultTagDirectives_)
{
bool found = false;
foreach(ref pair; tagDirectives_)
{
if(defaultPair[0] == pair[0] )
foreach(ref pair; tagDirectives_) if(defaultPair[0] == pair[0])
{
found = true;
break;
}
}
if(!found){tagDirectives_ ~= defaultPair;}
}
@ -415,7 +411,7 @@ final class Parser
*/
///Parse a node.
Event parseNode(bool block, bool indentlessSequence = false)
Event parseNode(in bool block, in bool indentlessSequence = false)
{
if(scanner_.checkToken(TokenID.Alias))
{
@ -861,8 +857,6 @@ final class Parser
///Return an empty scalar.
Event processEmptyScalar(in Mark mark)
{
//PyYAML uses a Tuple!(true, false) for the second last arg here,
//but the second bool is never used after that - so we don't use it.
return scalarEvent(mark, mark, Anchor(), Tag(), tuple(true, false), "");
}
}

2
dyaml/queue.d
View file

@ -52,6 +52,8 @@ struct Queue(T)
public:
@disable void opAssign(ref Queue);
@disable bool opEquals(ref Queue);
@disable int opCmp(ref Queue);
///Destroy the queue, deallocating all its elements.
~this()

6
dyaml/reader.d
View file

@ -103,7 +103,7 @@ final class Reader
{
case -1:
//readBOM() eats two more bytes in this case so get them back
wchar bytes = stream_.getcw();
const wchar bytes = stream_.getcw();
rawBuffer8_[0] = cast(char)(bytes % 256);
rawBuffer8_[1] = cast(char)(bytes / 256);
rawUsed_ = 2;
@ -444,7 +444,7 @@ final class Reader
*
* Returns: True if all the characters are printable, false otherwise.
*/
static bool printable(const ref dchar[] chars)
static bool printable(const ref dchar[] chars) pure
{
foreach(c; chars)
{
@ -460,7 +460,7 @@ final class Reader
}
///Are we done reading?
@property bool done()
@property bool done() const
{
return (available_ == 0 &&
((encoding_ == Encoding.UTF_8 && rawUsed_ == 0) ||

10
dyaml/representer.d
View file

@ -54,6 +54,9 @@ final class Representer
CollectionStyle defaultCollectionStyle_ = CollectionStyle.Invalid;
public:
@disable bool opEquals(ref Representer);
@disable int opCmp(ref Representer);
/**
* Construct a Representer.
*
@ -62,8 +65,9 @@ final class Representer
* disabled to use custom representer
* functions for default types.
*/
this(bool useDefaultRepresenters = true)
this(in bool useDefaultRepresenters = true)
{
if(!useDefaultRepresenters){return;}
addRepresenter!YAMLNull(&representNull);
addRepresenter!string(&representString);
addRepresenter!(ubyte[])(&representBytes);
@ -83,13 +87,13 @@ final class Representer
}
///Set default _style for scalars. Invalid means the _style is chosen automatically.
@property void defaultScalarStyle(ScalarStyle style)
@property void defaultScalarStyle(in ScalarStyle style)
{
defaultScalarStyle_ = style;
}
///Set default _style for collections. Invalid means the _style is chosen automatically.
@property void defaultCollectionStyle(CollectionStyle style)
@property void defaultCollectionStyle(in CollectionStyle style)
{
defaultCollectionStyle_ = style;
}

5
dyaml/resolver.d
View file

@ -50,6 +50,9 @@ final class Resolver
Tuple!(Tag, Regex!char)[][dchar] yamlImplicitResolvers_;
public:
@disable bool opEquals(ref Resolver);
@disable int opCmp(ref Resolver);
/**
* Construct a Resolver.
*
@ -138,7 +141,7 @@ final class Resolver
*
* Returns: Resolved tag.
*/
Tag resolve(NodeID kind, Tag tag, string value, in bool implicit)
Tag resolve(in NodeID kind, Tag tag, string value, in bool implicit)
{
if(!tag.isNull() && tag.get() != "!"){return tag;}

34
dyaml/scanner.d
View file

@ -182,7 +182,7 @@ final class Scanner
* or if there are any tokens left if no types specified.
* false otherwise.
*/
bool checkToken(TokenID[] ids ...)
bool checkToken(in TokenID[] ids ...)
{
//Check if the next token is one of specified types.
while(needMoreTokens()){fetchToken();}
@ -255,7 +255,7 @@ final class Scanner
unwindIndent(reader_.column);
//Get the next character.
dchar c = reader_.peek();
const dchar c = reader_.peek();
//Fetch the token.
if(c == '\0') {return fetchStreamEnd();}
@ -331,7 +331,7 @@ final class Scanner
void savePossibleSimpleKey()
{
//Check if a simple key is required at the current position.
bool required = (flowLevel_ == 0 && indent_ == reader_.column);
const required = (flowLevel_ == 0 && indent_ == reader_.column);
assert(allowSimpleKey_ || !required, "A simple key is required only if it is "
"the first token in the current line. Therefore it is always allowed.");
@ -339,7 +339,7 @@ final class Scanner
//The next token might be a simple key, so save its number and position.
removePossibleSimpleKey();
uint tokenCount = tokensTaken_ + cast(uint)tokens_.length;
const tokenCount = tokensTaken_ + cast(uint)tokens_.length;
const line = reader_.line;
const column = reader_.column;
@ -379,7 +379,7 @@ final class Scanner
*
* Params: column = Current column in the file/stream.
*/
void unwindIndent(int column)
void unwindIndent(in int column)
{
if(flowLevel_ > 0)
{
@ -582,10 +582,10 @@ final class Scanner
if(possibleSimpleKeys_.length > flowLevel_ &&
!possibleSimpleKeys_[flowLevel_].isNull)
{
auto key = possibleSimpleKeys_[flowLevel_];
const key = possibleSimpleKeys_[flowLevel_];
possibleSimpleKeys_[flowLevel_].isNull = true;
Mark keyMark = Mark(key.line, key.column);
auto idx = key.tokenIndex - tokensTaken_;
const idx = key.tokenIndex - tokensTaken_;
assert(idx >= 0);
@ -922,7 +922,7 @@ final class Scanner
dstring scanTagDirectiveValue(in Mark startMark)
{
findNextNonSpace();
dstring handle = scanTagDirectiveHandle(startMark);
const handle = scanTagDirectiveHandle(startMark);
findNextNonSpace();
return handle ~ '\0' ~ scanTagDirectivePrefix(startMark);
}
@ -979,7 +979,7 @@ final class Scanner
{
const startMark = reader_.mark;
dchar i = reader_.get();
const dchar i = reader_.get();
dstring value = i == '*' ? scanAlphaNumeric!("an alias")(startMark)
: scanAlphaNumeric!("an anchor")(startMark);
@ -1058,7 +1058,7 @@ final class Scanner
}
///Scan a block scalar token with specified style.
Token scanBlockScalar(ScalarStyle style)
Token scanBlockScalar(in ScalarStyle style)
{
const startMark = reader_.mark;
@ -1234,7 +1234,7 @@ final class Scanner
}
///Scan a qouted flow scalar token with specified quotes.
Token scanFlowScalar(ScalarStyle quotes)
Token scanFlowScalar(in ScalarStyle quotes)
{
const startMark = reader_.mark;
const quote = reader_.get();
@ -1256,7 +1256,7 @@ final class Scanner
}
///Scan nonspace characters in a flow scalar.
void scanFlowScalarNonSpaces(ScalarStyle quotes, in Mark startMark)
void scanFlowScalarNonSpaces(in ScalarStyle quotes, in Mark startMark)
{
for(;;)
{
@ -1423,7 +1423,7 @@ final class Scanner
for(;;)
{
c = reader_.peek(length);
bool done = search.canFind(c) || (flowLevel_ == 0 && c == ':' &&
const bool done = search.canFind(c) || (flowLevel_ == 0 && c == ':' &&
search.canFind(reader_.peek(length + 1))) ||
(flowLevel_ > 0 && ",:?[]{}"d.canFind(c));
if(done){break;}
@ -1509,7 +1509,7 @@ final class Scanner
}
///Scan handle of a tag token.
dstring scanTagHandle(string name, in Mark startMark)
dstring scanTagHandle(in string name, in Mark startMark)
{
dchar c = reader_.peek();
enforce(c == '!',
@ -1538,7 +1538,7 @@ final class Scanner
}
///Scan URI in a tag token.
dstring scanTagURI(string name, in Mark startMark)
dstring scanTagURI(in string name, in Mark startMark)
{
//Note: we do not check if URI is well-formed.
//Using appender_, so clear it when we're done.
@ -1570,7 +1570,7 @@ final class Scanner
}
///Scan URI escape sequences.
dstring scanURIEscapes(string name, in Mark startMark)
dstring scanURIEscapes(in string name, in Mark startMark)
{
ubyte[] bytes;
Mark mark = reader_.mark;
@ -1584,7 +1584,7 @@ final class Scanner
//Converting 2 hexadecimal digits to a byte.
foreach(k; 0 .. 2)
{
dchar c = reader_.peek(k);
const dchar c = reader_.peek(k);
enforce(isHexDigit(c),
new Error("While scanning a " ~ name, startMark,
"expected URI escape sequence of "

8
dyaml/serializer.d
View file

@ -69,7 +69,7 @@ struct Serializer
* tagDirectives = Tag directives to emit.
*/
this(ref Emitter emitter, Resolver resolver, Encoding encoding,
bool explicitStart, bool explicitEnd, string YAMLVersion,
in bool explicitStart, in bool explicitEnd, string YAMLVersion,
TagDirectives tagDirectives)
{
emitter_ = &emitter;
@ -200,7 +200,7 @@ struct Serializer
if(node.isSequence)
{
const defaultTag = resolver_.defaultSequenceTag;
bool implicit = node.tag_ == defaultTag;
const implicit = node.tag_ == defaultTag;
emitter_.emit(sequenceStartEvent(Mark(), Mark(), aliased, node.tag_,
implicit, node.collectionStyle));
foreach(ref Node item; node)
@ -212,8 +212,8 @@ struct Serializer
}
if(node.isMapping)
{
auto defaultTag = resolver_.defaultMappingTag;
bool implicit = node.tag_ == defaultTag;
const defaultTag = resolver_.defaultMappingTag;
const implicit = node.tag_ == defaultTag;
emitter_.emit(mappingStartEvent(Mark(), Mark(), aliased, node.tag_,
implicit, node.collectionStyle));
foreach(ref Node key, ref Node value; node)

7
dyaml/sharedobject.d
View file

@ -63,12 +63,9 @@ template SharedObject(T, MixedIn)
///Add an object and return its index.
uint add(ref T object)
{
foreach(uint index, ref T known; objects_)
foreach(index, ref known; objects_) if(object == known)
{
if(object == known)
{
return index;
}
return cast(uint)index;
}
objects_ ~= object;
return cast(uint)objects_.length - 1;

5
dyaml/tag.d
View file

@ -19,8 +19,11 @@ struct Tag
immutable(char)* tag_ = null;
public:
@disable int opCmp(ref Tag);
///Construct a tag from a string representation.
this(string tag)
this(in string tag)
{
if(tag is null || tag == "")
{

4
dyaml/token.d
View file

@ -53,6 +53,8 @@ enum TokenID : ubyte
*/
struct Token
{
@disable int opCmp(ref Token);
///Value of the token, if any.
string value;
///Start position of the token in file/stream.
@ -101,7 +103,7 @@ Token simpleToken(TokenID id)(in Mark start, in Mark end) pure
* end = End position of the token.
* encoding = Encoding of the stream.
*/
Token streamStartToken(in Mark start, in Mark end, in Encoding encoding)
Token streamStartToken(in Mark start, in Mark end, in Encoding encoding) pure
{
return Token(null, start, end, TokenID.StreamStart, ScalarStyle.Invalid, encoding);
}