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Using std.typecons.Flag where possible, and more in->const.

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This commit is contained in:
kiith-sa 2012-09-14 01:21:01 +02:00
parent 19d88d156a
commit edf3e2a799
11 changed files with 93 additions and 80 deletions
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5
dyaml/constructor.d
View file

@ -22,6 +22,7 @@ import std.exception;
import std.stdio;
import std.regex;
import std.string;
import std.typecons;
import std.utf;
import dyaml.node;
@ -88,7 +89,8 @@ final class Constructor
*
* Params: defaultConstructors = Use constructors for default YAML tags?
*/
this(in bool defaultConstructors = true) @safe nothrow
this(const Flag!"useDefaultConstructors" defaultConstructors = Yes.useDefaultConstructors)
@safe nothrow
{
if(!defaultConstructors){return;}
@ -364,6 +366,7 @@ final class Constructor
"Constructor function for tag " ~ tag.get ~ " is already "
"specified. Can't specify another one.");
return (ref Node n)
{
static if(Node.Value.allowed!T){return Node.Value(ctor(n));}

8
dyaml/dumper.d
View file

@ -136,9 +136,9 @@ struct Dumper
///Tag directives to use.
TagDirective[] tags_ = null;
///Always write document start?
bool explicitStart_ = false;
Flag!"explicitStart" explicitStart_ = No.explicitStart;
///Always write document end?
bool explicitEnd_ = false;
Flag!"explicitEnd" explicitEnd_ = No.explicitEnd;
///Name of the output file or stream, used in error messages.
string name_ = "<unknown>";
@ -238,13 +238,13 @@ struct Dumper
///Always explicitly write document start?
@property void explicitStart(bool explicit) pure @safe nothrow
{
explicitStart_ = explicit;
explicitStart_ = explicit ? Yes.explicitStart : No.explicitStart;
}
///Always explicitly write document end?
@property void explicitEnd(bool explicit) pure @safe nothrow
{
explicitEnd_ = explicit;
explicitEnd_ = explicit ? Yes.explicitEnd : No.explicitEnd;
}
///Specify YAML version string. "1.1" by default.

34
dyaml/emitter.d
View file

@ -332,7 +332,7 @@ struct Emitter
encoding_ = event_.encoding;
writeStreamStart();
state_ = &expectDocumentStart!true;
state_ = &expectDocumentStart!(Yes.first);
}
///Expect nothing, throwing if we still have something.
@ -344,7 +344,7 @@ struct Emitter
//Document handlers.
///Handle start of a document.
void expectDocumentStart(bool first)() @trusted
void expectDocumentStart(Flag!"first" first)() @trusted
{
enforce(eventTypeIs(EventID.DocumentStart) || eventTypeIs(EventID.StreamEnd),
new Error("Expected DocumentStart or StreamEnd, but got "
@ -423,7 +423,7 @@ struct Emitter
writeIndent();
}
stream_.flush();
state_ = &expectDocumentStart!false;
state_ = &expectDocumentStart!(No.first);
}
///Handle the root node of a document.
@ -516,11 +516,11 @@ struct Emitter
writeIndicator("[", Yes.needWhitespace, Yes.whitespace);
++flowLevel_;
increaseIndent(Yes.flow);
state_ = &expectFlowSequenceItem!true;
state_ = &expectFlowSequenceItem!(Yes.first);
}
///Handle a flow sequence item.
void expectFlowSequenceItem(bool first)() @trusted
void expectFlowSequenceItem(Flag!"first" first)() @trusted
{
if(event_.id == EventID.SequenceEnd)
{
@ -537,7 +537,7 @@ struct Emitter
}
static if(!first){writeIndicator(",", No.needWhitespace);}
if(canonical_ || column_ > bestWidth_){writeIndent();}
states_ ~= &expectFlowSequenceItem!false;
states_ ~= &expectFlowSequenceItem!(No.first);
expectSequenceNode();
}
@ -549,11 +549,11 @@ struct Emitter
writeIndicator("{", Yes.needWhitespace, Yes.whitespace);
++flowLevel_;
increaseIndent(Yes.flow);
state_ = &expectFlowMappingKey!true;
state_ = &expectFlowMappingKey!(Yes.first);
}
///Handle a key in a flow mapping.
void expectFlowMappingKey(bool first)() @trusted
void expectFlowMappingKey(Flag!"first" first)() @trusted
{
if(event_.id == EventID.MappingEnd)
{
@ -587,7 +587,7 @@ struct Emitter
void expectFlowMappingSimpleValue() @trusted
{
writeIndicator(":", No.needWhitespace);
states_ ~= &expectFlowMappingKey!false;
states_ ~= &expectFlowMappingKey!(No.first);
expectMappingNode();
}
@ -596,7 +596,7 @@ struct Emitter
{
if(canonical_ || column_ > bestWidth_){writeIndent();}
writeIndicator(":", Yes.needWhitespace);
states_ ~= &expectFlowMappingKey!false;
states_ ~= &expectFlowMappingKey!(No.first);
expectMappingNode();
}
@ -608,11 +608,11 @@ struct Emitter
const indentless = (context_ == Context.MappingNoSimpleKey ||
context_ == Context.MappingSimpleKey) && !indentation_;
increaseIndent(No.flow, indentless);
state_ = &expectBlockSequenceItem!true;
state_ = &expectBlockSequenceItem!(Yes.first);
}
///Handle a block sequence item.
void expectBlockSequenceItem(bool first)() @trusted
void expectBlockSequenceItem(Flag!"first" first)() @trusted
{
static if(!first) if(event_.id == EventID.SequenceEnd)
{
@ -623,7 +623,7 @@ struct Emitter
writeIndent();
writeIndicator("-", Yes.needWhitespace, No.whitespace, Yes.indentation);
states_ ~= &expectBlockSequenceItem!false;
states_ ~= &expectBlockSequenceItem!(No.first);
expectSequenceNode();
}
@ -633,11 +633,11 @@ struct Emitter
void expectBlockMapping() @safe
{
increaseIndent(No.flow);
state_ = &expectBlockMappingKey!true;
state_ = &expectBlockMappingKey!(Yes.first);
}
///Handle a key in a block mapping.
void expectBlockMappingKey(bool first)() @trusted
void expectBlockMappingKey(Flag!"first" first)() @trusted
{
static if(!first) if(event_.id == EventID.MappingEnd)
{
@ -663,7 +663,7 @@ struct Emitter
void expectBlockMappingSimpleValue() @trusted
{
writeIndicator(":", No.needWhitespace);
states_ ~= &expectBlockMappingKey!false;
states_ ~= &expectBlockMappingKey!(No.first);
expectMappingNode();
}
@ -672,7 +672,7 @@ struct Emitter
{
writeIndent();
writeIndicator(":", Yes.needWhitespace, No.whitespace, Yes.indentation);
states_ ~= &expectBlockMappingKey!false;
states_ ~= &expectBlockMappingKey!(No.first);
expectMappingNode();
}

6
dyaml/event.d
View file

@ -95,6 +95,8 @@ struct Event
///Get string representation of the token ID.
@property string idString() const @system {return to!string(id);}
static assert(Event.sizeof <= 48, "Event struct larger than expected");
}
/**
@ -178,7 +180,7 @@ alias collectionStartEvent!(EventID.MappingStart) mappingStartEvent;
* YAMLVersion = YAML version string of the document.
* tagDirectives = Tag directives of the document.
*/
Event documentStartEvent(const Mark start, const Mark end, bool explicit, string YAMLVersion,
Event documentStartEvent(const Mark start, const Mark end, const bool explicit, string YAMLVersion,
TagDirective[] tagDirectives) pure @trusted nothrow
{
Event result;
@ -198,7 +200,7 @@ Event documentStartEvent(const Mark start, const Mark end, bool explicit, string
* end = End position of the event in the file/stream.
* explicit = Is this an explicit document end?
*/
Event documentEndEvent(const Mark start, const Mark end, bool explicit) pure @trusted nothrow
Event documentEndEvent(const Mark start, const Mark end, const bool explicit) pure @trusted nothrow
{
Event result;
result.startMark = start;

24
dyaml/node.d
View file

@ -155,7 +155,7 @@ struct Node
///Equality test with another Pair.
bool opEquals(const ref Pair rhs) const @safe
{
return cmp!true(rhs) == 0;
return cmp!(Yes.useTag)(rhs) == 0;
}
private:
@ -165,7 +165,7 @@ struct Node
* useTag determines whether or not we consider node tags
* in the comparison.
*/
int cmp(bool useTag)(ref const(Pair) rhs) const @safe
int cmp(Flag!"useTag" useTag)(ref const(Pair) rhs) const @safe
{
const keyCmp = key.cmp!useTag(rhs.key);
return keyCmp != 0 ? keyCmp
@ -493,7 +493,7 @@ struct Node
*/
bool opEquals(T)(const auto ref T rhs) const @safe
{
return equals!true(rhs);
return equals!(Yes.useTag)(rhs);
}
unittest
{
@ -1278,7 +1278,7 @@ struct Node
///Compare with another _node.
int opCmp(ref const Node node) const @safe
{
return cmp!true(node);
return cmp!(Yes.useTag)(node);
}
//Compute hash of the node.
@ -1341,7 +1341,7 @@ struct Node
*
* useTag determines whether or not to consider tags in node-node comparisons.
*/
bool equals(bool useTag, T)(ref T rhs) const @safe
bool equals(Flag!"useTag" useTag, T)(ref T rhs) const @safe
{
static if(is(Unqual!T == Node))
{
@ -1373,7 +1373,7 @@ struct Node
*
* useTag determines whether or not to consider tags in the comparison.
*/
int cmp(bool useTag)(const ref Node rhs) const @trusted
int cmp(Flag!"useTag" useTag)(const ref Node rhs) const @trusted
{
//Compare tags - if equal or both null, we need to compare further.
static if(useTag)
@ -1591,7 +1591,7 @@ struct Node
if(isMapping)
{
return findPair!(T, !key)(rhs) >= 0;
return findPair!(T, key)(rhs) >= 0;
}
throw new Error("Trying to use " ~ func ~ "() on a " ~ nodeTypeString ~ " node",
@ -1637,20 +1637,20 @@ struct Node
}
else if(isMapping())
{
const index = findPair!(T, !key)(rhs);
const index = findPair!(T, key)(rhs);
if(index >= 0){removeElem!Pair(this, index);}
}
}
//Get index of pair with key (or value, if value is true) matching index.
sizediff_t findPair(T, bool value = false)(const ref T index) const @safe
//Get index of pair with key (or value, if key is false) matching index.
sizediff_t findPair(T, Flag!"key" key = Yes.key)(const ref T index) const @safe
{
const pairs = value_.get!(const Pair[])();
const(Node)* node;
foreach(idx, ref const(Pair) pair; pairs)
{
static if(value){node = &pair.value;}
else{node = &pair.key;}
static if(key){node = &pair.key;}
else {node = &pair.value;}
bool typeMatch = (isFloatingPoint!T && (node.isInt || node.isFloat)) ||

57
dyaml/parser.d
View file

@ -411,7 +411,8 @@ final class Parser
*/
///Parse a node.
Event parseNode(in bool block, in bool indentlessSequence = false) @safe
Event parseNode(const Flag!"block" block,
const Flag!"indentlessSequence" indentlessSequence = No.indentlessSequence) @safe
{
if(scanner_.checkToken(TokenID.Alias))
{
@ -426,12 +427,12 @@ final class Parser
bool invalidMarks = true;
//Get anchor/tag if detected. Return false otherwise.
bool get(TokenID id, bool start, ref string target)
bool get(const TokenID id, const Flag!"first" first, ref string target)
{
if(!scanner_.checkToken(id)){return false;}
invalidMarks = false;
immutable token = scanner_.getToken();
if(start){startMark = token.startMark;}
if(first){startMark = token.startMark;}
if(id == TokenID.Tag){tagMark = token.startMark;}
endMark = token.endMark;
target = token.value;
@ -439,8 +440,8 @@ final class Parser
}
//Anchor and/or tag can be in any order.
if(get(TokenID.Anchor, true, anchor)){get(TokenID.Tag, false, tag);}
else if(get(TokenID.Tag, true, tag)) {get(TokenID.Anchor, false, anchor);}
if(get(TokenID.Anchor, Yes.first, anchor)){get(TokenID.Tag, No.first, tag);}
else if(get(TokenID.Tag, Yes.first, tag)) {get(TokenID.Anchor, No.first, anchor);}
if(tag !is null){tag = processTag(tag, startMark, tagMark);}
@ -454,9 +455,9 @@ final class Parser
if(indentlessSequence && scanner_.checkToken(TokenID.BlockEntry))
{
state_ = &parseIndentlessSequenceEntry;
return sequenceStartEvent(startMark, scanner_.peekToken().endMark,
Anchor(anchor), Tag(tag), implicit,
CollectionStyle.Block);
return sequenceStartEvent
(startMark, scanner_.peekToken().endMark, Anchor(anchor),
Tag(tag), implicit, CollectionStyle.Block);
}
if(scanner_.checkToken(TokenID.Scalar))
@ -473,7 +474,7 @@ final class Parser
if(scanner_.checkToken(TokenID.FlowSequenceStart))
{
endMark = scanner_.peekToken().endMark;
state_ = &parseFlowSequenceEntry!true;
state_ = &parseFlowSequenceEntry!(Yes.first);
return sequenceStartEvent(startMark, endMark, Anchor(anchor), Tag(tag),
implicit, CollectionStyle.Flow);
}
@ -481,7 +482,7 @@ final class Parser
if(scanner_.checkToken(TokenID.FlowMappingStart))
{
endMark = scanner_.peekToken().endMark;
state_ = &parseFlowMappingKey!true;
state_ = &parseFlowMappingKey!(Yes.first);
return mappingStartEvent(startMark, endMark, Anchor(anchor), Tag(tag),
implicit, CollectionStyle.Flow);
}
@ -489,7 +490,7 @@ final class Parser
if(block && scanner_.checkToken(TokenID.BlockSequenceStart))
{
endMark = scanner_.peekToken().endMark;
state_ = &parseBlockSequenceEntry!true;
state_ = &parseBlockSequenceEntry!(Yes.first);
return sequenceStartEvent(startMark, endMark, Anchor(anchor), Tag(tag),
implicit, CollectionStyle.Block);
}
@ -497,7 +498,7 @@ final class Parser
if(block && scanner_.checkToken(TokenID.BlockMappingStart))
{
endMark = scanner_.peekToken().endMark;
state_ = &parseBlockMappingKey!true;
state_ = &parseBlockMappingKey!(Yes.first);
return mappingStartEvent(startMark, endMark, Anchor(anchor), Tag(tag),
implicit, CollectionStyle.Block);
}
@ -557,14 +558,14 @@ final class Parser
}
///Wrappers to parse nodes.
Event parseBlockNode() @safe {return parseNode(true);}
Event parseFlowNode() @safe {return parseNode(false);}
Event parseBlockNodeOrIndentlessSequence() @safe {return parseNode(true, true);}
Event parseBlockNode() @safe {return parseNode(Yes.block);}
Event parseFlowNode() @safe {return parseNode(No.block);}
Event parseBlockNodeOrIndentlessSequence() @safe {return parseNode(Yes.block, Yes.indentlessSequence);}
///block_sequence ::= BLOCK-SEQUENCE-START (BLOCK-ENTRY block_node?)* BLOCK-END
///Parse an entry of a block sequence. If first is true, this is the first entry.
Event parseBlockSequenceEntry(bool first)() @trusted
Event parseBlockSequenceEntry(Flag!"first" first)() @trusted
{
static if(first){marks_ ~= scanner_.getToken().startMark;}
@ -573,11 +574,11 @@ final class Parser
immutable token = scanner_.getToken();
if(!scanner_.checkToken(TokenID.BlockEntry, TokenID.BlockEnd))
{
states_~= &parseBlockSequenceEntry!false;
states_~= &parseBlockSequenceEntry!(No.first);
return parseBlockNode();
}
state_ = &parseBlockSequenceEntry!false;
state_ = &parseBlockSequenceEntry!(No.first);
return processEmptyScalar(token.endMark);
}
@ -628,7 +629,7 @@ final class Parser
*/
///Parse a key in a block mapping. If first is true, this is the first key.
Event parseBlockMappingKey(bool first)() @trusted
Event parseBlockMappingKey(Flag!"first" first)() @trusted
{
static if(first){marks_ ~= scanner_.getToken().startMark;}
@ -669,15 +670,15 @@ final class Parser
if(!scanner_.checkToken(TokenID.Key, TokenID.Value, TokenID.BlockEnd))
{
states_ ~= &parseBlockMappingKey!false;
states_ ~= &parseBlockMappingKey!(No.first);
return parseBlockNodeOrIndentlessSequence();
}
state_ = &parseBlockMappingKey!false;
state_ = &parseBlockMappingKey!(No.first);
return processEmptyScalar(token.endMark);
}
state_= &parseBlockMappingKey!false;
state_= &parseBlockMappingKey!(No.first);
return processEmptyScalar(scanner_.peekToken().startMark);
}
@ -695,7 +696,7 @@ final class Parser
*/
///Parse an entry in a flow sequence. If first is true, this is the first entry.
Event parseFlowSequenceEntry(bool first)() @trusted
Event parseFlowSequenceEntry(Flag!"first" first)() @trusted
{
static if(first){marks_ ~= scanner_.getToken().startMark;}
@ -725,7 +726,7 @@ final class Parser
}
else if(!scanner_.checkToken(TokenID.FlowSequenceEnd))
{
states_ ~= &parseFlowSequenceEntry!false;
states_ ~= &parseFlowSequenceEntry!(No.first);
return parseFlowNode();
}
}
@ -789,7 +790,7 @@ final class Parser
///Parse end of a mapping in a flow sequence entry.
Event parseFlowSequenceEntryMappingEnd() @safe
{
state_ = &parseFlowSequenceEntry!false;
state_ = &parseFlowSequenceEntry!(No.first);
immutable token = scanner_.peekToken();
return mappingEndEvent(token.startMark, token.startMark);
}
@ -803,7 +804,7 @@ final class Parser
*/
///Parse a key in a flow mapping.
Event parseFlowMappingKey(bool first)() @trusted
Event parseFlowMappingKey(Flag!"first" first)() @trusted
{
static if(first){marks_ ~= scanner_.getToken().startMark;}
@ -845,13 +846,13 @@ final class Parser
///Parse a value in a flow mapping.
Event parseFlowMappingValue() @safe
{
return parseFlowValue(TokenID.FlowMappingEnd, &parseFlowMappingKey!false);
return parseFlowValue(TokenID.FlowMappingEnd, &parseFlowMappingKey!(No.first));
}
///Parse an empty value in a flow mapping.
Event parseFlowMappingEmptyValue() @safe
{
state_ = &parseFlowMappingKey!false;
state_ = &parseFlowMappingKey!(No.first);
return processEmptyScalar(scanner_.peekToken().startMark);
}

4
dyaml/representer.d
View file

@ -23,6 +23,7 @@ import std.exception;
import std.format;
import std.math;
import std.stream;
import std.typecons;
import dyaml.exception;
import dyaml.node;
@ -66,7 +67,8 @@ final class Representer
* disabled to use custom representer
* functions for default types.
*/
this(bool useDefaultRepresenters = true) @safe
this(const Flag!"useDefaultRepresenters" useDefaultRepresenters = Yes.useDefaultRepresenters)
@safe
{
if(!useDefaultRepresenters){return;}
addRepresenter!YAMLNull(&representNull);

6
dyaml/resolver.d
View file

@ -61,7 +61,8 @@ final class Resolver
*
* Params: defaultImplicitResolvers = Use default YAML implicit resolvers?
*/
this(bool defaultImplicitResolvers = true) @safe
this(Flag!"useDefaultImplicitResolvers" defaultImplicitResolvers = Yes.useDefaultImplicitResolvers)
@safe
{
defaultScalarTag_ = Tag("tag:yaml.org,2002:str");
defaultSequenceTag_ = Tag("tag:yaml.org,2002:seq");
@ -142,7 +143,8 @@ final class Resolver
*
* Returns: Resolved tag.
*/
Tag resolve(NodeID kind, Tag tag, string value, bool implicit) @safe
Tag resolve(const NodeID kind, const Tag tag, const string value,
const bool implicit) @safe
{
if(!tag.isNull() && tag.get() != "!"){return tag;}

7
dyaml/serializer.d
View file

@ -39,9 +39,9 @@ struct Serializer
Resolver resolver_;
///Do all document starts have to be specified explicitly?
bool explicitStart_;
Flag!"explicitStart" explicitStart_;
///Do all document ends have to be specified explicitly?
bool explicitEnd_;
Flag!"explicitEnd" explicitEnd_;
///YAML version string.
string YAMLVersion_;
@ -69,7 +69,8 @@ struct Serializer
* tagDirectives = Tag directives to emit.
*/
this(ref Emitter emitter, Resolver resolver, Encoding encoding,
in bool explicitStart, in bool explicitEnd, string YAMLVersion,
const Flag!"explicitStart" explicitStart,
const Flag!"explicitEnd" explicitEnd, string YAMLVersion,
TagDirective[] tagDirectives) @trusted
{
emitter_ = &emitter;

3
test/src/constructor.d
View file

@ -11,6 +11,7 @@ import std.datetime;
import std.exception;
import std.path;
import std.string;
import std.typecons;
import dyaml.tag;
import dyaml.testcommon;
@ -402,7 +403,7 @@ void testConstructor(bool verbose, string dataFilename, string codeDummy)
size_t i = 0;
foreach(node; loader)
{
if(!node.equals!false(exp[i]))
if(!node.equals!(No.useTag)(exp[i]))
{
if(verbose)
{

3
test/src/representer.d
View file

@ -9,6 +9,7 @@ module dyaml.testrepresenter;
import std.path;
import std.exception;
import std.typecons;
import dyaml.testcommon;
import dyaml.testconstructor;
@ -69,7 +70,7 @@ void testRepresenterTypes(bool verbose, string codeFilename)
assert(expectedNodes.length == readNodes.length);
foreach(n; 0 .. expectedNodes.length)
{
assert(expectedNodes[n].equals!false(readNodes[n]));
assert(expectedNodes[n].equals!(No.useTag)(readNodes[n]));
}
}
}