diff options
| -rw-r--r-- | CHANGELOG.rdoc | 11 | ||||
| -rw-r--r-- | ext/psych/emitter.c | 29 | ||||
| -rw-r--r-- | lib/psych/handler.rb | 15 | ||||
| -rw-r--r-- | lib/psych/visitors/emitter.rb | 15 |
4 files changed, 62 insertions, 8 deletions
diff --git a/CHANGELOG.rdoc b/CHANGELOG.rdoc index 6dec8ad..db8c413 100644 --- a/CHANGELOG.rdoc +++ b/CHANGELOG.rdoc @@ -1,3 +1,14 @@ +Thu Jul 19 09:33:46 2012 Aaron Patterson <aaron@tenderlovemaking.com> + + * ext/psych/emitter.c (initialize): allow a configuration object to be + passed to the constructor so that mutation isn't required after + instantiation. + + * ext/psych/lib/psych/handler.rb: add configuration object + + * ext/psych/lib/psych/visitors/emitter.rb: use configuration object if + extra configuration is present. + Fri May 18 01:28:21 2012 Aaron Patterson <aaron@tenderlovemaking.com> * ext/psych/parser.c (transcode_string): fix encoding index names. diff --git a/ext/psych/emitter.c b/ext/psych/emitter.c index 15fdcfe..f0d0326 100644 --- a/ext/psych/emitter.c +++ b/ext/psych/emitter.c @@ -2,6 +2,9 @@ VALUE cPsychEmitter; static ID id_write; +static ID id_line_width; +static ID id_indentation; +static ID id_canonical; static void emit(yaml_emitter_t * emitter, yaml_event_t * event) { @@ -39,15 +42,30 @@ static VALUE allocate(VALUE klass) return Data_Wrap_Struct(klass, 0, dealloc, emitter); } -/* call-seq: Psych::Emitter.new(io) +/* call-seq: Psych::Emitter.new(io, options = Psych::Emitter::OPTIONS) * * Create a new Psych::Emitter that writes to +io+. */ -static VALUE initialize(VALUE self, VALUE io) +static VALUE initialize(int argc, VALUE *argv, VALUE self) { yaml_emitter_t * emitter; + VALUE io, options; + VALUE line_width; + VALUE indent; + VALUE canonical; + Data_Get_Struct(self, yaml_emitter_t, emitter); + if (rb_scan_args(argc, argv, "11", &io, &options) == 2) { + line_width = rb_funcall(options, id_line_width, 0); + indent = rb_funcall(options, id_indentation, 0); + canonical = rb_funcall(options, id_canonical, 0); + + yaml_emitter_set_width(emitter, NUM2INT(line_width)); + yaml_emitter_set_indent(emitter, NUM2INT(indent)); + yaml_emitter_set_canonical(emitter, Qtrue == canonical ? 1 : 0); + } + yaml_emitter_set_output(emitter, writer, (void *)io); return self; @@ -494,7 +512,7 @@ void Init_psych_emitter() rb_define_alloc_func(cPsychEmitter, allocate); - rb_define_method(cPsychEmitter, "initialize", initialize, 1); + rb_define_method(cPsychEmitter, "initialize", initialize, -1); rb_define_method(cPsychEmitter, "start_stream", start_stream, 1); rb_define_method(cPsychEmitter, "end_stream", end_stream, 0); rb_define_method(cPsychEmitter, "start_document", start_document, 3); @@ -512,6 +530,9 @@ void Init_psych_emitter() rb_define_method(cPsychEmitter, "line_width", line_width, 0); rb_define_method(cPsychEmitter, "line_width=", set_line_width, 1); - id_write = rb_intern("write"); + id_write = rb_intern("write"); + id_line_width = rb_intern("line_width"); + id_indentation = rb_intern("indentation"); + id_canonical = rb_intern("canonical"); } /* vim: set noet sws=4 sw=4: */ diff --git a/lib/psych/handler.rb b/lib/psych/handler.rb index a2aa6bb..d3b9963 100644 --- a/lib/psych/handler.rb +++ b/lib/psych/handler.rb @@ -11,6 +11,21 @@ module Psych # See Psych::Parser for more details class Handler ### + # Configuration options for dumping YAML. + class DumperOptions + attr_accessor :line_width, :indentation, :canonical + + def initialize + @line_width = 0 + @indentation = 2 + @canonical = false + end + end + + # Default dumping options + OPTIONS = DumperOptions.new + + ### # Called with +encoding+ when the YAML stream starts. This method is # called once per stream. A stream may contain multiple documents. # diff --git a/lib/psych/visitors/emitter.rb b/lib/psych/visitors/emitter.rb index 30db176..c886e50 100644 --- a/lib/psych/visitors/emitter.rb +++ b/lib/psych/visitors/emitter.rb @@ -2,10 +2,17 @@ module Psych module Visitors class Emitter < Psych::Visitors::Visitor def initialize io, options = {} - @handler = Psych::Emitter.new io - @handler.indentation = options[:indentation] if options[:indentation] - @handler.canonical = options[:canonical] if options[:canonical] - @handler.line_width = options[:line_width] if options[:line_width] + opts = [:indentation, :canonical, :line_width].find_all { |opt| + options.key?(opt) + } + + if opts.empty? + @handler = Psych::Emitter.new io + else + du = Handler::DumperOptions.new + opts.each { |option| du.send :"#{option}=", options[option] } + @handler = Psych::Emitter.new io, du + end end def visit_Psych_Nodes_Stream o |