/* -*- indent-tabs-mode: nil -*- */ /* * rubyext.c * * $Author$ * * Copyright (C) 2003-2005 why the lucky stiff */ #include "ruby/ruby.h" #include "ruby/encoding.h" #include "syck.h" #include #include typedef struct RVALUE { union { #if 0 struct { unsigned long flags; /* always 0 for freed obj */ struct RVALUE *next; } free; #endif struct RBasic basic; struct RObject object; struct RClass klass; /*struct RFloat flonum;*/ /*struct RString string;*/ struct RArray array; /*struct RRegexp regexp;*/ struct RHash hash; /*struct RData data;*/ struct RStruct rstruct; /*struct RBignum bignum;*/ /*struct RFile file;*/ } as; } RVALUE; typedef struct { long hash; char *buffer; long length; long remaining; int printed; } bytestring_t; #define RUBY_DOMAIN "ruby.yaml.org,2002" /* * symbols and constants */ static ID s_new, s_utc, s_at, s_to_f, s_to_i, s_read, s_binmode, s_call, s_cmp, s_transfer, s_update, s_dup, s_haskey, s_match, s_keys, s_unpack, s_tr_bang, s_default_set, s_tag_read_class, s_tag_subclasses, s_resolver, s_push, s_emitter, s_level, s_detect_implicit, s_node_import, s_out, s_input, s_intern, s_transform, s_yaml_new, s_yaml_initialize, s_node_export, s_to_yaml, s_write, s_set_resolver, s_each; static ID s_tags, s_kind, s_name, s_options, s_type_id, s_type_id_set, s_style, s_style_set, s_value, s_value_set, s_parse; static VALUE sym_model, sym_generic, sym_input, sym_bytecode; static VALUE sym_scalar, sym_seq, sym_map; static VALUE sym_1quote, sym_2quote, sym_fold, sym_literal, sym_plain, sym_inline; static VALUE cDate, cNode, cMap, cSeq, cScalar, cOut, cParser, cResolver, cPrivateType, cDomainType, cYObject, cBadAlias, cDefaultKey, cMergeKey, cEmitter, cDateTime; static VALUE oDefaultResolver, oGenericResolver; /* * my private collection of numerical oddities. */ static double S_zero(void) { return 0.0; } static double S_one(void) { return 1.0; } static double S_inf(void) { return S_one() / S_zero(); } static double S_nan(void) { return S_zero() / S_zero(); } static VALUE syck_node_transform( VALUE ); /* * handler prototypes */ SYMID rb_syck_load_handler _((SyckParser *, SyckNode *)); void rb_syck_err_handler _((SyckParser *, const char *)); SyckNode * rb_syck_bad_anchor_handler _((SyckParser *, char *)); void rb_syck_output_handler _((SyckEmitter *, char *, long)); void rb_syck_emitter_handler _((SyckEmitter *, st_data_t)); int syck_parser_assign_io _((SyckParser *, VALUE *)); VALUE syck_scalar_alloc _((VALUE class)); VALUE syck_seq_alloc _((VALUE class)); VALUE syck_map_alloc _((VALUE class)); struct parser_xtra { VALUE data; /* Borrowed this idea from marshal.c to fix [ruby-core:8067] problem */ VALUE proc; VALUE resolver; int taint; }; struct emitter_xtra { VALUE oid; VALUE data; VALUE port; }; /* * Convert YAML to bytecode */ VALUE rb_syck_compile(VALUE self, VALUE port) { SYMID oid; int taint; char *ret; VALUE bc; bytestring_t *sav = NULL; void *data = NULL; SyckParser *parser = syck_new_parser(); taint = syck_parser_assign_io(parser, &port); syck_parser_handler( parser, syck_yaml2byte_handler ); syck_parser_error_handler( parser, NULL ); syck_parser_implicit_typing( parser, 0 ); syck_parser_taguri_expansion( parser, 0 ); oid = syck_parse( parser ); if (!syck_lookup_sym( parser, oid, &data )) { rb_raise(rb_eSyntaxError, "root node <%p> not found", (void *)oid); } sav = data; ret = S_ALLOCA_N( char, strlen( sav->buffer ) + 3 ); ret[0] = '\0'; strcat( ret, "D\n" ); strcat( ret, sav->buffer ); syck_free_parser( parser ); bc = rb_str_new2( ret ); if ( taint ) OBJ_TAINT( bc ); return bc; } /* * read from io. */ long rb_syck_io_str_read( char *buf, SyckIoStr *str, long max_size, long skip ) { long len = 0; ASSERT( str != NULL ); max_size -= skip; if ( max_size <= 0 ) max_size = 0; else { /* * call io#read. */ VALUE src = (VALUE)str->ptr; VALUE n = LONG2NUM(max_size); VALUE str2 = rb_funcall2(src, s_read, 1, &n); if (!NIL_P(str2)) { StringValue(str2); len = RSTRING_LEN(str2); memcpy( buf + skip, RSTRING_PTR(str2), len ); } } len += skip; buf[len] = '\0'; return len; } /* * determine: are we reading from a string or io? * (returns tainted? boolean) */ int syck_parser_assign_io(SyckParser *parser, VALUE *pport) { int taint = Qtrue; VALUE tmp, port = *pport; if (!NIL_P(tmp = rb_check_string_type(port))) { taint = OBJ_TAINTED(port); /* original taintedness */ port = tmp; syck_parser_str( parser, RSTRING_PTR(port), RSTRING_LEN(port), NULL ); } else if (rb_respond_to(port, s_read)) { if (rb_respond_to(port, s_binmode)) { rb_funcall2(port, s_binmode, 0, 0); } syck_parser_str( parser, (char *)port, 0, rb_syck_io_str_read ); } else { rb_raise(rb_eTypeError, "instance of IO needed"); } *pport = port; return taint; } /* * Get value in hash by key, forcing an empty hash if nil. */ VALUE syck_get_hash_aref(VALUE hsh, VALUE key) { VALUE val = rb_hash_aref( hsh, key ); if ( NIL_P( val ) ) { val = rb_hash_new(); rb_hash_aset(hsh, key, val); } return val; } /* * creating timestamps */ struct mktime_arg { const char *str; long len; }; VALUE mktime_do(VALUE varg) { struct mktime_arg *arg = (struct mktime_arg *)varg; VALUE time; const char *str = arg->str; long len = arg->len; const char *ptr = str; VALUE year = INT2FIX(0); VALUE mon = INT2FIX(0); VALUE day = INT2FIX(0); VALUE hour = INT2FIX(0); VALUE min = INT2FIX(0); VALUE sec = INT2FIX(0); long usec; /* Year*/ if ( ptr[0] != '\0' && len > 0 ) { year = INT2FIX(strtol(ptr, NULL, 10)); } /* Month*/ ptr += 4; if ( ptr[0] != '\0' && len > ptr - str ) { while ( !ISDIGIT( *ptr ) ) ptr++; mon = INT2FIX(strtol(ptr, NULL, 10)); } /* Day*/ ptr += 2; if ( ptr[0] != '\0' && len > ptr - str ) { while ( !ISDIGIT( *ptr ) ) ptr++; day = INT2FIX(strtol(ptr, NULL, 10)); } /* Hour*/ ptr += 2; if ( ptr[0] != '\0' && len > ptr - str ) { while ( !ISDIGIT( *ptr ) ) ptr++; hour = INT2FIX(strtol(ptr, NULL, 10)); } /* Minute */ ptr += 2; if ( ptr[0] != '\0' && len > ptr - str ) { while ( !ISDIGIT( *ptr ) ) ptr++; min = INT2FIX(strtol(ptr, NULL, 10)); } /* Second */ ptr += 2; if ( ptr[0] != '\0' && len > ptr - str ) { while ( !ISDIGIT( *ptr ) ) ptr++; sec = INT2FIX(strtol(ptr, NULL, 10)); } /* Millisecond */ ptr += 2; if ( len > ptr - str && *ptr == '.' ) { char padded[] = "000000"; const int padding = (int)(sizeof(padded) - 1); const char *end = ptr + 1; const char *begin = end; ptrdiff_t length; while ( ISDIGIT( *end ) ) end++; if ((length = (end - begin)) > padding) length = padding; MEMCPY(padded, begin, char, length); usec = strtol(padded, NULL, 10); } else { usec = 0; } /* Time Zone*/ while ( len > ptr - str && *ptr != 'Z' && *ptr != '+' && *ptr != '-' && *ptr != '\0' ) ptr++; if ( len > ptr - str && ( *ptr == '-' || *ptr == '+' ) ) { time_t tz_offset = strtol(ptr, NULL, 10) * 3600; VALUE tmp; while ( *ptr != ':' && *ptr != '\0' ) ptr++; if ( *ptr == ':' ) { ptr += 1; if ( tz_offset < 0 ) { tz_offset -= strtol(ptr, NULL, 10) * 60; } else { tz_offset += strtol(ptr, NULL, 10) * 60; } } /* Make TZ time*/ time = rb_funcall(rb_cTime, s_utc, 6, year, mon, day, hour, min, sec); tmp = rb_funcall(time, s_to_i, 0); tmp = rb_funcall(tmp, '-', 1, LONG2FIX(tz_offset)); return rb_funcall(rb_cTime, s_at, 2, tmp, LONG2NUM(usec)); } else { /* Make UTC time*/ return rb_funcall(rb_cTime, s_utc, 7, year, mon, day, hour, min, sec, LONG2NUM(usec)); } } VALUE mktime_r(VALUE varg) { struct mktime_arg *arg = (struct mktime_arg *)varg; if (!cDateTime) { /* * Load Date module */ rb_require("date"); cDateTime = rb_const_get(rb_cObject, rb_intern("DateTime")); } return rb_funcall(cDateTime, s_parse, 1, rb_str_new(arg->str, arg->len)); } VALUE rb_syck_mktime(const char *str, long len) { struct mktime_arg a; a.str = str; a.len = len; return rb_rescue2(mktime_do, (VALUE)&a, mktime_r, (VALUE)&a, rb_eArgError, NULL); } /* * handles merging of an array of hashes * (see http://www.yaml.org/type/merge/) */ VALUE syck_merge_i(VALUE entry, VALUE hsh ) { VALUE tmp; if ( !NIL_P(tmp = rb_check_convert_type(entry, T_HASH, "Hash", "to_hash")) ) { entry = tmp; rb_funcall( hsh, s_update, 1, entry ); } return Qnil; } /* * default handler for ruby.yaml.org types */ int yaml_org_handler( SyckNode *n, VALUE *ref ) { char *type_id = n->type_id; int transferred = 0; long i = 0; VALUE obj = Qnil; if ( type_id != NULL && strncmp( type_id, "tag:yaml.org,2002:", 18 ) == 0 ) { type_id += 18; } switch (n->kind) { case syck_str_kind: transferred = 1; if ( type_id == NULL ) { obj = rb_str_new( n->data.str->ptr, n->data.str->len ); } else if ( strcmp( type_id, "null" ) == 0 ) { obj = Qnil; } else if ( strcmp( type_id, "binary" ) == 0 ) { VALUE arr; obj = rb_str_new( n->data.str->ptr, n->data.str->len ); rb_funcall( obj, s_tr_bang, 2, rb_str_new2( "\n\t " ), rb_str_new2( "" ) ); arr = rb_funcall( obj, s_unpack, 1, rb_str_new2( "m" ) ); obj = rb_ary_shift( arr ); } else if ( strcmp( type_id, "bool#yes" ) == 0 ) { obj = Qtrue; } else if ( strcmp( type_id, "bool#no" ) == 0 ) { obj = Qfalse; } else if ( strcmp( type_id, "int#hex" ) == 0 ) { syck_str_blow_away_commas( n ); obj = rb_cstr2inum( n->data.str->ptr, 16 ); } else if ( strcmp( type_id, "int#oct" ) == 0 ) { syck_str_blow_away_commas( n ); obj = rb_cstr2inum( n->data.str->ptr, 8 ); } else if ( strcmp( type_id, "int#base60" ) == 0 ) { char *ptr, *end; long sixty = 1; long total = 0; syck_str_blow_away_commas( n ); ptr = n->data.str->ptr; end = n->data.str->ptr + n->data.str->len; while ( end > ptr ) { long bnum = 0; char *colon = end - 1; while ( colon >= ptr && *colon != ':' ) { colon--; } if ( colon >= ptr && *colon == ':' ) *colon = '\0'; bnum = strtol( colon + 1, NULL, 10 ); total += bnum * sixty; sixty *= 60; end = colon; } obj = INT2FIX(total); } else if ( strncmp( type_id, "int", 3 ) == 0 ) { syck_str_blow_away_commas( n ); obj = rb_cstr2inum( n->data.str->ptr, 10 ); } else if ( strcmp( type_id, "float#base60" ) == 0 ) { char *ptr, *end; long sixty = 1; double total = 0.0; syck_str_blow_away_commas( n ); ptr = n->data.str->ptr; end = n->data.str->ptr + n->data.str->len; while ( end > ptr ) { double bnum = 0; char *colon = end - 1; while ( colon >= ptr && *colon != ':' ) { colon--; } if ( colon >= ptr && *colon == ':' ) *colon = '\0'; bnum = strtod( colon + 1, NULL ); total += bnum * sixty; sixty *= 60; end = colon; } obj = rb_float_new( total ); } else if ( strcmp( type_id, "float#nan" ) == 0 ) { obj = rb_float_new( S_nan() ); } else if ( strcmp( type_id, "float#inf" ) == 0 ) { obj = rb_float_new( S_inf() ); } else if ( strcmp( type_id, "float#neginf" ) == 0 ) { obj = rb_float_new( -S_inf() ); } else if ( strncmp( type_id, "float", 5 ) == 0 ) { double f; syck_str_blow_away_commas( n ); f = strtod( n->data.str->ptr, NULL ); obj = rb_float_new( f ); } else if ( strcmp( type_id, "timestamp#iso8601" ) == 0 ) { obj = rb_syck_mktime( n->data.str->ptr, n->data.str->len ); } else if ( strcmp( type_id, "timestamp#spaced" ) == 0 ) { obj = rb_syck_mktime( n->data.str->ptr, n->data.str->len ); } else if ( strcmp( type_id, "timestamp#ymd" ) == 0 ) { char *ptr = n->data.str->ptr; VALUE year, mon, day; /* Year*/ ptr[4] = '\0'; year = INT2FIX(strtol(ptr, NULL, 10)); /* Month*/ ptr += 4; while ( !ISDIGIT( *ptr ) ) ptr++; mon = INT2FIX(strtol(ptr, NULL, 10)); /* Day*/ ptr += 2; while ( !ISDIGIT( *ptr ) ) ptr++; day = INT2FIX(strtol(ptr, NULL, 10)); if ( !cDate ) { /* * Load Date module */ rb_require( "date" ); cDate = rb_const_get( rb_cObject, rb_intern("Date") ); } obj = rb_funcall( cDate, s_new, 3, year, mon, day ); } else if ( strncmp( type_id, "timestamp", 9 ) == 0 ) { obj = rb_syck_mktime( n->data.str->ptr, n->data.str->len ); } else if ( strncmp( type_id, "merge", 5 ) == 0 ) { obj = rb_funcall( cMergeKey, s_new, 0 ); } else if ( strncmp( type_id, "default", 7 ) == 0 ) { obj = rb_funcall( cDefaultKey, s_new, 0 ); } else if ( n->data.str->style == scalar_plain && n->data.str->len > 1 && strncmp( n->data.str->ptr, ":", 1 ) == 0 ) { obj = rb_funcall( oDefaultResolver, s_transfer, 2, rb_str_new2( "tag:ruby.yaml.org,2002:sym" ), rb_str_new( n->data.str->ptr + 1, n->data.str->len - 1 ) ); } else if ( strcmp( type_id, "str" ) == 0 ) { obj = rb_str_new( n->data.str->ptr, n->data.str->len ); rb_enc_associate(obj, rb_utf8_encoding()); } else { transferred = 0; obj = rb_str_new( n->data.str->ptr, n->data.str->len ); } break; case syck_seq_kind: if ( type_id == NULL || strcmp( type_id, "seq" ) == 0 ) { transferred = 1; } obj = rb_ary_new2( n->data.list->idx ); for ( i = 0; i < n->data.list->idx; i++ ) { rb_ary_store( obj, i, syck_seq_read( n, i ) ); } break; case syck_map_kind: if ( type_id == NULL || strcmp( type_id, "map" ) == 0 ) { transferred = 1; } obj = rb_hash_new(); for ( i = 0; i < n->data.pairs->idx; i++ ) { VALUE k = syck_map_read( n, map_key, i ); VALUE v = syck_map_read( n, map_value, i ); int skip_aset = 0; /* * Handle merge keys */ if ( rb_obj_is_kind_of( k, cMergeKey ) ) { VALUE tmp; if ( !NIL_P(tmp = rb_check_convert_type(v, T_HASH, "Hash", "to_hash")) ) { VALUE dup = rb_funcall( tmp, s_dup, 0 ); rb_funcall( dup, s_update, 1, obj ); obj = dup; skip_aset = 1; } else if ( !NIL_P(tmp = rb_check_array_type(v)) ) { VALUE end = rb_ary_pop( tmp ); VALUE tmph = rb_check_convert_type(end, T_HASH, "Hash", "to_hash"); if ( !NIL_P(tmph) ) { VALUE dup = rb_funcall( tmph, s_dup, 0 ); tmp = rb_ary_reverse( tmp ); rb_ary_push( tmp, obj ); rb_block_call( tmp, s_each, 0, 0, syck_merge_i, dup ); obj = dup; skip_aset = 1; } } } else if ( rb_obj_is_kind_of( k, cDefaultKey ) ) { rb_funcall( obj, s_default_set, 1, v ); skip_aset = 1; } if ( ! skip_aset ) { rb_hash_aset( obj, k, v ); } } break; } *ref = obj; return transferred; } static void syck_node_mark( SyckNode *n ); /* * {native mode} node handler * - Converts data into native Ruby types */ SYMID rb_syck_load_handler(SyckParser *p, SyckNode *n) { VALUE obj = Qnil; struct parser_xtra *bonus = (struct parser_xtra *)p->bonus; VALUE resolver = bonus->resolver; if ( NIL_P( resolver ) ) { resolver = oDefaultResolver; } /* * Create node, */ obj = rb_funcall( resolver, s_node_import, 1, Data_Wrap_Struct( cNode, NULL, NULL, n ) ); /* * ID already set, let's alter the symbol table to accept the new object */ if (n->id > 0 && !NIL_P(obj)) { MEMCPY((void *)n->id, (void *)obj, RVALUE, 1); MEMZERO((void *)obj, RVALUE, 1); obj = n->id; } if ( bonus->taint) OBJ_TAINT( obj ); if ( bonus->proc != 0 ) rb_funcall(bonus->proc, s_call, 1, obj); rb_hash_aset(bonus->data, INT2FIX(RHASH_SIZE(bonus->data)), obj); return obj; } /* * friendly errors. */ void rb_syck_err_handler(SyckParser *p, const char *msg) { char *endl = p->cursor; while ( *endl != '\0' && *endl != '\n' ) endl++; endl[0] = '\0'; rb_raise(rb_eArgError, "%s on line %d, col %"PRIdPTRDIFF": `%s'", msg, p->linect, p->cursor - p->lineptr, p->lineptr); } /* * provide bad anchor object to the parser. */ SyckNode * rb_syck_bad_anchor_handler(SyckParser *p, char *a) { VALUE anchor_name = rb_str_new2( a ); SyckNode *badanc = syck_new_map( rb_str_new2( "name" ), anchor_name ); badanc->type_id = syck_strndup( "tag:ruby.yaml.org,2002:object:YAML::Syck::BadAlias", 53 ); return badanc; } /* * data loaded based on the model requested. */ void syck_set_model(VALUE p, VALUE input, VALUE model) { SyckParser *parser; Data_Get_Struct(p, SyckParser, parser); syck_parser_handler( parser, rb_syck_load_handler ); /* WARN: gonna be obsoleted soon!! */ if ( model == sym_generic ) { rb_funcall( p, s_set_resolver, 1, oGenericResolver ); } syck_parser_implicit_typing( parser, 1 ); syck_parser_taguri_expansion( parser, 1 ); if ( NIL_P( input ) ) { input = rb_ivar_get( p, s_input ); } if ( input == sym_bytecode ) { syck_parser_set_input_type( parser, syck_bytecode_utf8 ); } else { syck_parser_set_input_type( parser, syck_yaml_utf8 ); } syck_parser_error_handler( parser, rb_syck_err_handler ); syck_parser_bad_anchor_handler( parser, rb_syck_bad_anchor_handler ); } static int syck_st_mark_nodes( char *key, SyckNode *n, char *arg ) { if ( n != (void *)1 ) syck_node_mark( n ); return ST_CONTINUE; } /* * mark parser nodes */ static void syck_mark_parser(SyckParser *parser) { struct parser_xtra *bonus = (struct parser_xtra *)parser->bonus; rb_gc_mark_maybe(parser->root); rb_gc_mark_maybe(parser->root_on_error); rb_gc_mark( bonus->data ); rb_gc_mark( bonus->proc ); rb_gc_mark( bonus->resolver ); if ( parser->anchors != NULL ) { st_foreach( parser->anchors, syck_st_mark_nodes, 0 ); } if ( parser->bad_anchors != NULL ) { st_foreach( parser->bad_anchors, syck_st_mark_nodes, 0 ); } } /* * Free the parser and any bonus attachment. */ void rb_syck_free_parser(SyckParser *p) { S_FREE( p->bonus ); syck_free_parser(p); } /* * YAML::Syck::Parser.allocate */ VALUE syck_parser_s_alloc _((VALUE)); VALUE syck_parser_s_alloc(VALUE class) { VALUE pobj; SyckParser *parser = syck_new_parser(); parser->bonus = S_ALLOC( struct parser_xtra ); S_MEMZERO( parser->bonus, struct parser_xtra, 1 ); pobj = Data_Wrap_Struct( class, syck_mark_parser, rb_syck_free_parser, parser ); syck_parser_set_root_on_error( parser, Qnil ); return pobj; } /* * YAML::Syck::Parser.initialize( resolver, options ) */ static VALUE syck_parser_initialize(int argc, VALUE *argv, VALUE self) { VALUE options; if (rb_scan_args(argc, argv, "01", &options) == 0) { options = rb_hash_new(); } else { Check_Type(options, T_HASH); } rb_ivar_set(self, s_options, options); rb_ivar_set(self, s_input, Qnil); return self; } /* * YAML::Syck::Parser.bufsize = Integer */ static VALUE syck_parser_bufsize_set(VALUE self, VALUE size) { SyckParser *parser; if ( rb_respond_to( size, s_to_i ) ) { int n = NUM2INT(rb_funcall(size, s_to_i, 0)); Data_Get_Struct(self, SyckParser, parser); parser->bufsize = n; } return self; } /* * YAML::Syck::Parser.bufsize => Integer */ static VALUE syck_parser_bufsize_get(VALUE self) { SyckParser *parser; Data_Get_Struct(self, SyckParser, parser); return INT2FIX( parser->bufsize ); } /* * YAML::Syck::Parser.load( IO or String ) */ VALUE syck_parser_load(int argc, VALUE *argv, VALUE self) { VALUE port, proc, model, input; SyckParser *parser; struct parser_xtra *bonus; rb_scan_args(argc, argv, "11", &port, &proc); input = rb_hash_aref( rb_attr_get( self, s_options ), sym_input ); model = rb_hash_aref( rb_attr_get( self, s_options ), sym_model ); Data_Get_Struct(self, SyckParser, parser); syck_set_model( self, input, model ); bonus = (struct parser_xtra *)parser->bonus; bonus->taint = syck_parser_assign_io(parser, &port); bonus->data = rb_hash_new(); bonus->resolver = rb_attr_get( self, s_resolver ); if ( NIL_P( proc ) ) bonus->proc = 0; else bonus->proc = proc; return syck_parse( parser ); } /* * YAML::Syck::Parser.load_documents( IO or String ) { |doc| } */ VALUE syck_parser_load_documents(int argc, VALUE *argv, VALUE self) { VALUE port, proc, v, input, model; SyckParser *parser; struct parser_xtra *bonus; rb_scan_args(argc, argv, "1&", &port, &proc); input = rb_hash_aref( rb_attr_get( self, s_options ), sym_input ); model = rb_hash_aref( rb_attr_get( self, s_options ), sym_model ); Data_Get_Struct(self, SyckParser, parser); syck_set_model( self, input, model ); bonus = (struct parser_xtra *)parser->bonus; bonus->taint = syck_parser_assign_io(parser, &port); bonus->resolver = rb_attr_get( self, s_resolver ); bonus->proc = 0; while ( 1 ) { /* Reset hash for tracking nodes */ bonus->data = rb_hash_new(); /* Parse a document */ v = syck_parse( parser ); if ( parser->eof == 1 ) { break; } /* Pass document to block */ rb_funcall( proc, s_call, 1, v ); } return Qnil; } /* * YAML::Syck::Parser#set_resolver */ VALUE syck_parser_set_resolver(VALUE self, VALUE resolver) { rb_ivar_set( self, s_resolver, resolver ); return self; } /* * YAML::Syck::Resolver.initialize */ static VALUE syck_resolver_initialize(VALUE self) { rb_ivar_set(self, s_tags, rb_hash_new()); return self; } /* * YAML::Syck::Resolver#add_type */ VALUE syck_resolver_add_type(VALUE self, VALUE taguri, VALUE cls) { VALUE tags = rb_attr_get(self, s_tags); rb_hash_aset( tags, taguri, cls ); return Qnil; } /* * YAML::Syck::Resolver#use_types_at */ VALUE syck_resolver_use_types_at(VALUE self, VALUE hsh) { rb_ivar_set( self, s_tags, hsh ); return Qnil; } /* * YAML::Syck::Resolver#detect_implicit */ VALUE syck_resolver_detect_implicit(VALUE self, VALUE val) { return rb_str_new2( "" ); } /* * YAML::Syck::Resolver#node_import */ VALUE syck_resolver_node_import(VALUE self, VALUE node) { SyckNode *n; VALUE obj = Qnil; int i = 0; Data_Get_Struct(node, SyckNode, n); switch (n->kind) { case syck_str_kind: obj = rb_str_new( n->data.str->ptr, n->data.str->len ); break; case syck_seq_kind: obj = rb_ary_new2( n->data.list->idx ); for ( i = 0; i < n->data.list->idx; i++ ) { rb_ary_store( obj, i, syck_seq_read( n, i ) ); } break; case syck_map_kind: obj = rb_hash_new(); for ( i = 0; i < n->data.pairs->idx; i++ ) { VALUE k = syck_map_read( n, map_key, i ); VALUE v = syck_map_read( n, map_value, i ); int skip_aset = 0; /* * Handle merge keys */ if ( rb_obj_is_kind_of( k, cMergeKey ) ) { if ( rb_obj_is_kind_of( v, rb_cHash ) ) { VALUE dup = rb_funcall( v, s_dup, 0 ); rb_funcall( dup, s_update, 1, obj ); obj = dup; skip_aset = 1; } else if ( rb_obj_is_kind_of( v, rb_cArray ) ) { VALUE end = rb_ary_pop( v ); if ( rb_obj_is_kind_of( end, rb_cHash ) ) { VALUE dup = rb_funcall( end, s_dup, 0 ); v = rb_ary_reverse( v ); rb_ary_push( v, obj ); rb_block_call( v, s_each, 0, 0, syck_merge_i, dup ); obj = dup; skip_aset = 1; } } } else if ( rb_obj_is_kind_of( k, cDefaultKey ) ) { rb_funcall( obj, s_default_set, 1, v ); skip_aset = 1; } if ( ! skip_aset ) { rb_hash_aset( obj, k, v ); } } break; } if ( n->type_id != NULL ) { obj = rb_funcall( self, s_transfer, 2, rb_str_new2( n->type_id ), obj ); } return obj; } /* * Set instance variables */ VALUE syck_set_ivars(VALUE vars, VALUE obj) { VALUE ivname = rb_ary_entry( vars, 0 ); char *ivn; StringValue( ivname ); ivn = S_ALLOCA_N( char, RSTRING_LEN(ivname) + 2 ); ivn[0] = '@'; ivn[1] = '\0'; strncat( ivn, RSTRING_PTR(ivname), RSTRING_LEN(ivname) ); rb_iv_set( obj, ivn, rb_ary_entry( vars, 1 ) ); return Qnil; } /* * YAML::Syck::Resolver#const_find */ VALUE syck_const_find(VALUE const_name) { VALUE tclass = rb_cObject; VALUE tparts = rb_str_split( const_name, "::" ); int i = 0; for ( i = 0; i < RARRAY_LEN(tparts); i++ ) { VALUE tpart = rb_to_id( rb_ary_entry( tparts, i ) ); if ( !rb_const_defined( tclass, tpart ) ) return Qnil; tclass = rb_const_get( tclass, tpart ); } return tclass; } /* * YAML::Syck::Resolver#transfer */ VALUE syck_resolver_transfer(VALUE self, VALUE type, VALUE val) { if (NIL_P(type) || RSTRING_LEN(StringValue(type)) == 0) { type = rb_funcall( self, s_detect_implicit, 1, val ); } if ( ! (NIL_P(type) || RSTRING_LEN(StringValue(type)) == 0) ) { VALUE str_xprivate = rb_str_new2( "x-private" ); VALUE colon = rb_str_new2( ":" ); VALUE tags = rb_attr_get(self, s_tags); VALUE target_class = rb_hash_aref( tags, type ); VALUE subclass = target_class; VALUE obj = Qnil; /* * Should no tag match exactly, check for subclass format */ if ( NIL_P( target_class ) ) { VALUE subclass_parts = rb_ary_new(); VALUE parts = rb_str_split( type, ":" ); while ( RARRAY_LEN(parts) > 1 ) { VALUE partial; rb_ary_unshift( subclass_parts, rb_ary_pop( parts ) ); partial = rb_ary_join( parts, colon ); target_class = rb_hash_aref( tags, partial ); if ( NIL_P( target_class ) ) { rb_str_append( partial, colon ); target_class = rb_hash_aref( tags, partial ); } /* * Possible subclass found, see if it supports subclassing */ if ( ! NIL_P( target_class ) ) { subclass = target_class; if ( RARRAY_LEN(subclass_parts) > 0 && rb_respond_to( target_class, s_tag_subclasses ) && RTEST( rb_funcall( target_class, s_tag_subclasses, 0 ) ) ) { VALUE subclass_v; subclass = rb_ary_join( subclass_parts, colon ); subclass = rb_funcall( target_class, s_tag_read_class, 1, subclass ); subclass_v = syck_const_find( subclass ); if ( subclass_v != Qnil ) { subclass = subclass_v; } else if ( rb_cObject == target_class && subclass_v == Qnil ) { target_class = cYObject; type = subclass; subclass = cYObject; } else /* workaround for SEGV. real fix please */ { rb_raise( rb_eTypeError, "invalid subclass" ); } } break; } } } /* rb_raise(rb_eTypeError, "invalid typing scheme: %s given", * scheme); */ if ( rb_respond_to( target_class, s_call ) ) { obj = rb_funcall( target_class, s_call, 2, type, val ); } else { if ( rb_respond_to( target_class, s_yaml_new ) ) { obj = rb_funcall( target_class, s_yaml_new, 3, subclass, type, val ); } else if ( !NIL_P( target_class ) ) { if ( subclass == rb_cBignum ) { obj = rb_str2inum( val, 10 ); /* for yaml dumped by 1.8.3 [ruby-core:6159] */ } else { obj = rb_obj_alloc( subclass ); } if ( rb_respond_to( obj, s_yaml_initialize ) ) { rb_funcall( obj, s_yaml_initialize, 2, type, val ); } else if ( !NIL_P( obj ) && rb_obj_is_instance_of( val, rb_cHash ) ) { rb_block_call( val, s_each, 0, 0, syck_set_ivars, obj ); } } else { VALUE parts = rb_str_split( type, ":" ); VALUE scheme = rb_ary_shift( parts ); if ( rb_str_cmp( scheme, str_xprivate ) == 0 ) { VALUE name = rb_ary_join( parts, colon ); obj = rb_funcall( cPrivateType, s_new, 2, name, val ); } else { VALUE domain = rb_ary_shift( parts ); VALUE name = rb_ary_join( parts, colon ); obj = rb_funcall( cDomainType, s_new, 3, domain, name, val ); } } } val = obj; } return val; } /* * YAML::Syck::Resolver#tagurize */ VALUE syck_resolver_tagurize(VALUE self, VALUE val) { VALUE tmp = rb_check_string_type(val); if ( !NIL_P(tmp) ) { char *taguri = syck_type_id_to_uri( RSTRING_PTR(tmp) ); val = rb_str_new2( taguri ); S_FREE( taguri ); } return val; } /* * YAML::Syck::DefaultResolver#detect_implicit */ VALUE syck_defaultresolver_detect_implicit(VALUE self, VALUE val) { const char *type_id; VALUE tmp = rb_check_string_type(val); if ( !NIL_P(tmp) ) { val = tmp; type_id = syck_match_implicit( RSTRING_PTR(val), RSTRING_LEN(val) ); return rb_str_new2( type_id ); } return rb_str_new2( "" ); } /* * YAML::Syck::DefaultResolver#node_import */ VALUE syck_defaultresolver_node_import(VALUE self, VALUE node) { SyckNode *n; VALUE obj; Data_Get_Struct( node, SyckNode, n ); if ( !yaml_org_handler( n, &obj ) ) { obj = rb_funcall( self, s_transfer, 2, rb_str_new2( n->type_id ), obj ); } return obj; } /* * YAML::Syck::GenericResolver#node_import */ VALUE syck_genericresolver_node_import(VALUE self, VALUE node) { SyckNode *n; int i = 0; VALUE t = Qnil, obj = Qnil, v = Qnil, style = Qnil; Data_Get_Struct(node, SyckNode, n); if ( n->type_id != NULL ) { t = rb_str_new2(n->type_id); } switch (n->kind) { case syck_str_kind: { v = rb_str_new( n->data.str->ptr, n->data.str->len ); rb_enc_associate(v, rb_utf8_encoding()); if ( n->data.str->style == scalar_1quote ) { style = sym_1quote; } else if ( n->data.str->style == scalar_2quote ) { style = sym_2quote; } else if ( n->data.str->style == scalar_fold ) { style = sym_fold; } else if ( n->data.str->style == scalar_literal ) { style = sym_literal; } else if ( n->data.str->style == scalar_plain ) { style = sym_plain; } obj = rb_funcall( cScalar, s_new, 3, t, v, style ); } break; case syck_seq_kind: v = rb_ary_new2( syck_seq_count( n ) ); for ( i = 0; i < syck_seq_count( n ); i++ ) { rb_ary_store( v, i, syck_seq_read( n, i ) ); } if ( n->data.list->style == seq_inline ) { style = sym_inline; } obj = rb_funcall( cSeq, s_new, 3, t, v, style ); rb_iv_set(obj, "@kind", sym_seq); break; case syck_map_kind: v = rb_hash_new(); for ( i = 0; i < syck_map_count( n ); i++ ) { rb_hash_aset( v, syck_map_read( n, map_key, i ), syck_map_read( n, map_value, i ) ); } if ( n->data.pairs->style == map_inline ) { style = sym_inline; } obj = rb_funcall( cMap, s_new, 3, t, v, style ); rb_iv_set(obj, "@kind", sym_map); break; } return obj; } /* * YAML::Syck::BadAlias.initialize */ VALUE syck_badalias_initialize(VALUE self, VALUE val) { rb_iv_set( self, "@name", val ); return self; } /* * YAML::Syck::BadAlias.<=> */ VALUE syck_badalias_cmp(VALUE alias1, VALUE alias2) { VALUE str1 = rb_ivar_get( alias1, s_name ); VALUE str2 = rb_ivar_get( alias2, s_name ); VALUE val = rb_funcall( str1, s_cmp, 1, str2 ); return val; } /* * YAML::DomainType.initialize */ VALUE syck_domaintype_initialize(VALUE self, VALUE domain, VALUE type_id, VALUE val) { rb_iv_set( self, "@domain", domain ); rb_iv_set( self, "@type_id", type_id ); rb_iv_set( self, "@value", val ); return self; } /* * YAML::Object.initialize */ VALUE syck_yobject_initialize(VALUE self, VALUE klass, VALUE ivars) { rb_iv_set( self, "@class", klass ); rb_iv_set( self, "@ivars", ivars ); return self; } /* * YAML::PrivateType.initialize */ VALUE syck_privatetype_initialize(VALUE self, VALUE type_id, VALUE val) { rb_iv_set( self, "@type_id", type_id ); rb_iv_set( self, "@value", val ); return self; } /* * Mark node contents. */ static void syck_node_mark(SyckNode *n) { int i; rb_gc_mark_maybe( n->id ); switch ( n->kind ) { case syck_seq_kind: for ( i = 0; i < n->data.list->idx; i++ ) { rb_gc_mark( syck_seq_read( n, i ) ); } break; case syck_map_kind: for ( i = 0; i < n->data.pairs->idx; i++ ) { rb_gc_mark( syck_map_read( n, map_key, i ) ); rb_gc_mark( syck_map_read( n, map_value, i ) ); } break; case syck_str_kind: default: /* nothing */ break; } #if 0 /* maybe needed */ if ( n->shortcut ) syck_node_mark( n->shortcut ); /* caution: maybe cyclic */ #endif } /* * YAML::Syck::Scalar.allocate */ VALUE syck_scalar_alloc(VALUE class) { SyckNode *node = syck_alloc_str(); VALUE obj = Data_Wrap_Struct( class, syck_node_mark, syck_free_node, node ); node->id = obj; return obj; } /* * YAML::Syck::Scalar.initialize */ VALUE syck_scalar_initialize(VALUE self, VALUE type_id, VALUE val, VALUE style) { rb_iv_set( self, "@kind", sym_scalar ); rb_funcall( self, s_type_id_set, 1, type_id ); rb_funcall( self, s_value_set, 1, val ); rb_funcall( self, s_style_set, 1, style ); return self; } /* * YAML::Syck::Scalar.style= */ VALUE syck_scalar_style_set(VALUE self, VALUE style) { SyckNode *node; Data_Get_Struct( self, SyckNode, node ); if ( NIL_P( style ) ) { node->data.str->style = scalar_none; } else if ( style == sym_1quote ) { node->data.str->style = scalar_1quote; } else if ( style == sym_2quote ) { node->data.str->style = scalar_2quote; } else if ( style == sym_fold ) { node->data.str->style = scalar_fold; } else if ( style == sym_literal ) { node->data.str->style = scalar_literal; } else if ( style == sym_plain ) { node->data.str->style = scalar_plain; } rb_iv_set( self, "@style", style ); return self; } /* * YAML::Syck::Scalar.value= */ VALUE syck_scalar_value_set(VALUE self, VALUE val) { SyckNode *node; Data_Get_Struct( self, SyckNode, node ); StringValue( val ); node->data.str->ptr = syck_strndup( RSTRING_PTR(val), RSTRING_LEN(val) ); node->data.str->len = RSTRING_LEN(val); node->data.str->style = scalar_none; rb_iv_set( self, "@value", val ); return val; } /* * YAML::Syck::Seq.allocate */ VALUE syck_seq_alloc(VALUE class) { SyckNode *node; VALUE obj; node = syck_alloc_seq(); obj = Data_Wrap_Struct( class, syck_node_mark, syck_free_node, node ); node->id = obj; return obj; } /* * YAML::Syck::Seq.initialize */ VALUE syck_seq_initialize(VALUE self, VALUE type_id, VALUE val, VALUE style) { SyckNode *node; Data_Get_Struct( self, SyckNode, node ); rb_iv_set( self, "@kind", sym_seq ); rb_funcall( self, s_type_id_set, 1, type_id ); rb_funcall( self, s_value_set, 1, val ); rb_funcall( self, s_style_set, 1, style ); return self; } /* * YAML::Syck::Seq.value= */ VALUE syck_seq_value_set(VALUE self, VALUE val) { SyckNode *node; Data_Get_Struct( self, SyckNode, node ); val = rb_check_array_type( val ); if ( !NIL_P( val ) ) { int i; syck_seq_empty( node ); for ( i = 0; i < RARRAY_LEN( val ); i++ ) { syck_seq_add( node, rb_ary_entry(val, i) ); } } rb_iv_set( self, "@value", val ); return val; } /* * YAML::Syck::Seq.add */ VALUE syck_seq_add_m(VALUE self, VALUE val) { SyckNode *node; VALUE emitter = rb_ivar_get( self, s_emitter ); Data_Get_Struct( self, SyckNode, node ); if ( rb_respond_to( emitter, s_node_export ) ) { val = rb_funcall( emitter, s_node_export, 1, val ); } syck_seq_add( node, val ); rb_ary_push( rb_ivar_get( self, s_value ), val ); return self; } /* * YAML::Syck::Seq.style= */ VALUE syck_seq_style_set(VALUE self, VALUE style) { SyckNode *node; Data_Get_Struct( self, SyckNode, node ); if ( style == sym_inline ) { node->data.list->style = seq_inline; } else { node->data.list->style = seq_none; } rb_iv_set( self, "@style", style ); return self; } /* * YAML::Syck::Map.allocate */ VALUE syck_map_alloc(VALUE class) { SyckNode *node; VALUE obj; node = syck_alloc_map(); obj = Data_Wrap_Struct( class, syck_node_mark, syck_free_node, node ); node->id = obj; return obj; } /* * YAML::Syck::Map.initialize */ VALUE syck_map_initialize(VALUE self, VALUE type_id, VALUE val, VALUE style) { SyckNode *node; Data_Get_Struct( self, SyckNode, node ); if ( !NIL_P( val ) ) { VALUE hsh = rb_check_convert_type(val, T_HASH, "Hash", "to_hash"); VALUE keys; int i; if ( NIL_P(hsh) ) { rb_raise( rb_eTypeError, "wrong argument type" ); } keys = rb_funcall( hsh, s_keys, 0 ); for ( i = 0; i < RARRAY_LEN(keys); i++ ) { VALUE key = rb_ary_entry(keys, i); syck_map_add( node, key, rb_hash_aref(hsh, key) ); } } rb_iv_set( self, "@kind", sym_seq ); rb_funcall( self, s_type_id_set, 1, type_id ); rb_funcall( self, s_value_set, 1, val ); rb_funcall( self, s_style_set, 1, style ); return self; } /* * YAML::Syck::Map.value= */ VALUE syck_map_value_set(VALUE self, VALUE val) { SyckNode *node; Data_Get_Struct( self, SyckNode, node ); if ( !NIL_P( val ) ) { VALUE hsh = rb_check_convert_type(val, T_HASH, "Hash", "to_hash"); VALUE keys; int i; if ( NIL_P(hsh) ) { rb_raise( rb_eTypeError, "wrong argument type" ); } syck_map_empty( node ); keys = rb_funcall( hsh, s_keys, 0 ); for ( i = 0; i < RARRAY_LEN(keys); i++ ) { VALUE key = rb_ary_entry(keys, i); syck_map_add( node, key, rb_hash_aref(hsh, key) ); } } rb_iv_set( self, "@value", val ); return val; } /* * YAML::Syck::Map.add */ VALUE syck_map_add_m(VALUE self, VALUE key, VALUE val) { SyckNode *node; VALUE emitter = rb_ivar_get( self, s_emitter ); Data_Get_Struct( self, SyckNode, node ); if ( rb_respond_to( emitter, s_node_export ) ) { key = rb_funcall( emitter, s_node_export, 1, key ); val = rb_funcall( emitter, s_node_export, 1, val ); } syck_map_add( node, key, val ); rb_hash_aset( rb_ivar_get( self, s_value ), key, val ); return self; } /* * YAML::Syck::Map.style= */ VALUE syck_map_style_set(VALUE self, VALUE style) { SyckNode *node; Data_Get_Struct( self, SyckNode, node ); if ( style == sym_inline ) { node->data.pairs->style = map_inline; } else { node->data.pairs->style = map_none; } rb_iv_set( self, "@style", style ); return self; } #if 0 /* * Cloning method for all node types */ VALUE syck_node_init_copy(VALUE copy, VALUE orig) { SyckNode *copy_n; SyckNode *orig_n; if ( copy == orig ) return copy; if ( TYPE( orig ) != T_DATA ) { rb_raise( rb_eTypeError, "wrong argument type" ); } Data_Get_Struct( orig, SyckNode, orig_n ); Data_Get_Struct( copy, SyckNode, copy_n ); MEMCPY( copy_n, orig_n, SyckNode, 1 ); return copy; } #endif /* * YAML::Syck::Node#type_id= */ VALUE syck_node_type_id_set(VALUE self, VALUE type_id) { SyckNode *node; Data_Get_Struct( self, SyckNode, node ); S_FREE( node->type_id ); if ( !NIL_P( type_id ) ) { StringValue( type_id ); node->type_id = syck_strndup( RSTRING_PTR(type_id), RSTRING_LEN(type_id) ); } rb_iv_set( self, "@type_id", type_id ); return type_id; } /* * YAML::Syck::Node.transform */ VALUE syck_node_transform(VALUE self) { VALUE t; SyckNode *n = NULL; SyckNode *orig_n; Data_Get_Struct(self, SyckNode, orig_n); t = Data_Wrap_Struct( cNode, syck_node_mark, syck_free_node, 0 ); switch (orig_n->kind) { case syck_map_kind: { int i; DATA_PTR(t) = n = syck_alloc_map(); for ( i = 0; i < orig_n->data.pairs->idx; i++ ) { syck_map_add( n, rb_funcall( syck_map_read( orig_n, map_key, i ), s_transform, 0 ), rb_funcall( syck_map_read( orig_n, map_value, i ), s_transform, 0 ) ); } } break; case syck_seq_kind: { int i; DATA_PTR(t) = n = syck_alloc_seq(); for ( i = 0; i < orig_n->data.list->idx; i++ ) { syck_seq_add( n, rb_funcall( syck_seq_read( orig_n, i ), s_transform, 0 ) ); } } break; case syck_str_kind: DATA_PTR(t) = n = syck_new_str2( orig_n->data.str->ptr, orig_n->data.str->len, orig_n->data.str->style ); break; } if ( orig_n->type_id != NULL ) { n->type_id = syck_strndup( orig_n->type_id, strlen( orig_n->type_id ) ); } if ( orig_n->anchor != NULL ) { n->anchor = syck_strndup( orig_n->anchor, strlen( orig_n->anchor ) ); } n->id = t; return rb_funcall( oDefaultResolver, s_node_import, 1, t ); } /* * Emitter callback: assembles YAML document events from * Ruby symbols. This is a brilliant way to do it. * No one could possibly object. */ void rb_syck_emitter_handler(SyckEmitter *e, st_data_t data) { SyckNode *n; Data_Get_Struct((VALUE)data, SyckNode, n); switch (n->kind) { case syck_map_kind: { int i; syck_emit_map( e, n->type_id, n->data.pairs->style ); for ( i = 0; i < n->data.pairs->idx; i++ ) { syck_emit_item( e, syck_map_read( n, map_key, i ) ); syck_emit_item( e, syck_map_read( n, map_value, i ) ); } syck_emit_end( e ); } break; case syck_seq_kind: { int i; syck_emit_seq( e, n->type_id, n->data.list->style ); for ( i = 0; i < n->data.list->idx; i++ ) { syck_emit_item( e, syck_seq_read( n, i ) ); } syck_emit_end( e ); } break; case syck_str_kind: { syck_emit_scalar( e, n->type_id, n->data.str->style, 0, 0, 0, n->data.str->ptr, n->data.str->len ); } break; } } /* * Handle output from the emitter */ void rb_syck_output_handler(SyckEmitter * emitter, char *str, long len) { struct emitter_xtra *bonus = (struct emitter_xtra *)emitter->bonus; VALUE dest = bonus->port; if (TYPE(dest) == T_STRING) { rb_str_cat( dest, str, len ); } else { rb_io_write( dest, rb_str_new( str, len ) ); } } /* * Helper function for marking nodes in the anchor * symbol table. */ void syck_out_mark(VALUE emitter, VALUE node) { SyckEmitter *emitterPtr; struct emitter_xtra *bonus; Data_Get_Struct(emitter, SyckEmitter, emitterPtr); bonus = (struct emitter_xtra *)emitterPtr->bonus; rb_ivar_set( node, s_emitter, emitter ); /* syck_emitter_mark_node( emitterPtr, (st_data_t)node ); */ if ( !NIL_P( bonus->oid ) ) { rb_hash_aset( bonus->data, bonus->oid, node ); } } /* * Mark emitter values. */ static void syck_mark_emitter(SyckEmitter *emitter) { struct emitter_xtra *bonus = (struct emitter_xtra *)emitter->bonus; rb_gc_mark( bonus->oid ); rb_gc_mark( bonus->data ); rb_gc_mark( bonus->port ); } /* * Free the emitter and any bonus attachment. */ void rb_syck_free_emitter(SyckEmitter *e) { S_FREE( e->bonus ); syck_free_emitter(e); } /* * YAML::Syck::Emitter.allocate */ VALUE syck_emitter_s_alloc _((VALUE)); VALUE syck_emitter_s_alloc(VALUE class) { VALUE pobj; SyckEmitter *emitter = syck_new_emitter(); emitter->bonus = S_ALLOC( struct emitter_xtra ); S_MEMZERO( emitter->bonus, struct emitter_xtra, 1 ); pobj = Data_Wrap_Struct( class, syck_mark_emitter, rb_syck_free_emitter, emitter ); syck_emitter_handler( emitter, rb_syck_emitter_handler ); syck_output_handler( emitter, rb_syck_output_handler ); rb_ivar_set( pobj, s_out, rb_funcall( cOut, s_new, 1, pobj ) ); return pobj; } static VALUE id_hash_new(void) { VALUE hash; hash = rb_hash_new(); rb_funcall(hash, rb_intern("compare_by_identity"), 0); return hash; } /* * YAML::Syck::Emitter.reset( options ) */ VALUE syck_emitter_reset(int argc, VALUE *argv, VALUE self) { VALUE options, tmp; SyckEmitter *emitter; struct emitter_xtra *bonus; Data_Get_Struct(self, SyckEmitter, emitter); bonus = (struct emitter_xtra *)emitter->bonus; bonus->oid = Qnil; bonus->port = rb_str_new2( "" ); bonus->data = id_hash_new(); if (rb_scan_args(argc, argv, "01", &options) == 0) { options = rb_hash_new(); rb_ivar_set(self, s_options, options); } else if ( !NIL_P(tmp = rb_check_string_type(options)) ) { bonus->port = tmp; } else if ( rb_respond_to( options, s_write ) ) { bonus->port = options; } else { Check_Type(options, T_HASH); rb_ivar_set(self, s_options, options); } emitter->headless = 0; rb_ivar_set(self, s_level, INT2FIX(0)); rb_ivar_set(self, s_resolver, Qnil); return self; } /* * YAML::Syck::Emitter.emit( object_id ) { |out| ... } */ VALUE syck_emitter_emit(int argc, VALUE *argv, VALUE self) { VALUE oid, proc; SyckEmitter *emitter; struct emitter_xtra *bonus; SYMID symple; int level = FIX2INT(rb_ivar_get(self, s_level)) + 1; rb_ivar_set(self, s_level, INT2FIX(level)); rb_scan_args(argc, argv, "1&", &oid, &proc); Data_Get_Struct(self, SyckEmitter, emitter); bonus = (struct emitter_xtra *)emitter->bonus; /* Calculate anchors, normalize nodes, build a simpler symbol table */ bonus->oid = oid; if ( !NIL_P( oid ) && RTEST( rb_funcall( bonus->data, s_haskey, 1, oid ) ) ) { symple = rb_hash_aref( bonus->data, oid ); } else { symple = rb_funcall( proc, s_call, 1, rb_ivar_get( self, s_out ) ); } syck_emitter_mark_node( emitter, (st_data_t)symple ); /* Second pass, build emitted string */ level -= 1; rb_ivar_set(self, s_level, INT2FIX(level)); if ( level == 0 ) { syck_emit(emitter, (st_data_t)symple); syck_emitter_flush(emitter, 0); return bonus->port; } return symple; } /* * YAML::Syck::Emitter#node_export */ VALUE syck_emitter_node_export(VALUE self, VALUE node) { return rb_funcall( node, s_to_yaml, 1, self ); } /* * YAML::Syck::Emitter#set_resolver */ VALUE syck_emitter_set_resolver(VALUE self, VALUE resolver) { rb_ivar_set( self, s_resolver, resolver ); return self; } /* * YAML::Syck::Out::initialize */ VALUE syck_out_initialize(VALUE self, VALUE emitter) { rb_ivar_set( self, s_emitter, emitter ); return self; } /* * YAML::Syck::Out::map */ VALUE syck_out_map(int argc, VALUE *argv, VALUE self) { VALUE type_id, style, map; if (rb_scan_args(argc, argv, "11", &type_id, &style) == 1) { style = Qnil; } map = rb_funcall( cMap, s_new, 3, type_id, rb_hash_new(), style ); syck_out_mark( rb_ivar_get( self, s_emitter ), map ); rb_yield( map ); return map; } /* * YAML::Syck::Out::seq */ VALUE syck_out_seq(int argc, VALUE *argv, VALUE self) { VALUE type_id, style, seq; if (rb_scan_args(argc, argv, "11", &type_id, &style) == 1) { style = Qnil; } seq = rb_funcall( cSeq, s_new, 3, type_id, rb_ary_new(), style ); syck_out_mark( rb_ivar_get( self, s_emitter ), seq ); rb_yield( seq ); return seq; } /* * YAML::Syck::Out::scalar syck_out_scalar( self, type_id, str, style ) VALUE self, type_id, str, style; */ VALUE syck_out_scalar(int argc, VALUE *argv, VALUE self) { VALUE type_id, str, style, scalar; rb_scan_args(argc, argv, "21", &type_id, &str, &style); scalar = rb_funcall( cScalar, s_new, 3, type_id, str, style ); syck_out_mark( rb_ivar_get( self, s_emitter ), scalar ); return scalar; } /* * Initialize Syck extension */ void Init_syck() { VALUE rb_syck = rb_define_module_under( rb_cObject, "Syck" ); rb_define_module_function( rb_syck, "compile", rb_syck_compile, 1 ); /* * Global symbols */ s_new = rb_intern("new"); s_utc = rb_intern("utc"); s_at = rb_intern("at"); s_to_f = rb_intern("to_f"); s_to_i = rb_intern("to_i"); s_read = rb_intern("read"); s_binmode = rb_intern("binmode"); s_transfer = rb_intern("transfer"); s_call = rb_intern("call"); s_cmp = rb_intern("<=>"); s_intern = rb_intern("intern"); s_update = rb_intern("update"); s_detect_implicit = rb_intern("detect_implicit"); s_dup = rb_intern("dup"); s_default_set = rb_intern("default="); s_match = rb_intern("match"); s_push = rb_intern("push"); s_haskey = rb_intern("has_key?"); s_keys = rb_intern("keys"); s_node_import = rb_intern("node_import"); s_tr_bang = rb_intern("tr!"); s_unpack = rb_intern("unpack"); s_write = rb_intern("write"); s_tag_read_class = rb_intern( "yaml_tag_read_class" ); s_tag_subclasses = rb_intern( "yaml_tag_subclasses?" ); s_emitter = rb_intern( "emitter" ); s_set_resolver = rb_intern( "set_resolver" ); s_node_export = rb_intern( "node_export" ); s_to_yaml = rb_intern( "to_yaml" ); s_transform = rb_intern( "transform" ); s_yaml_new = rb_intern("yaml_new"); s_yaml_initialize = rb_intern("yaml_initialize"); s_each = rb_intern("each"); s_parse = rb_intern("parse"); s_tags = rb_intern("@tags"); s_name = rb_intern("@name"); s_options = rb_intern("@options"); s_kind = rb_intern("@kind"); s_type_id = rb_intern("@type_id"); s_type_id_set = rb_intern("type_id="); s_resolver = rb_intern("@resolver"); s_level = rb_intern( "@level" ); s_style = rb_intern("@style"); s_style_set = rb_intern("style="); s_value = rb_intern("@value"); s_value_set = rb_intern("value="); s_out = rb_intern("@out"); s_input = rb_intern("@input"); sym_model = ID2SYM(rb_intern("Model")); sym_generic = ID2SYM(rb_intern("Generic")); sym_bytecode = ID2SYM(rb_intern("bytecode")); sym_map = ID2SYM(rb_intern("map")); sym_scalar = ID2SYM(rb_intern("scalar")); sym_seq = ID2SYM(rb_intern("seq")); sym_1quote = ID2SYM(rb_intern("quote1")); sym_2quote = ID2SYM(rb_intern("quote2")); sym_fold = ID2SYM(rb_intern("fold")); sym_literal = ID2SYM(rb_intern("literal")); sym_plain = ID2SYM(rb_intern("plain")); sym_inline = ID2SYM(rb_intern("inline")); /* * Define YAML::Syck::Resolver class */ cResolver = rb_define_class_under( rb_syck, "Resolver", rb_cObject ); rb_define_attr( cResolver, "tags", 1, 1 ); rb_define_method( cResolver, "initialize", syck_resolver_initialize, 0 ); rb_define_method( cResolver, "add_type", syck_resolver_add_type, 2 ); rb_define_method( cResolver, "use_types_at", syck_resolver_use_types_at, 1 ); rb_define_method( cResolver, "detect_implicit", syck_resolver_detect_implicit, 1 ); rb_define_method( cResolver, "transfer", syck_resolver_transfer, 2 ); rb_define_method( cResolver, "node_import", syck_resolver_node_import, 1 ); rb_define_method( cResolver, "tagurize", syck_resolver_tagurize, 1 ); rb_global_variable( &oDefaultResolver ); oDefaultResolver = rb_funcall( cResolver, rb_intern( "new" ), 0 ); rb_define_singleton_method( oDefaultResolver, "node_import", syck_defaultresolver_node_import, 1 ); rb_define_singleton_method( oDefaultResolver, "detect_implicit", syck_defaultresolver_detect_implicit, 1 ); rb_define_const( rb_syck, "DefaultResolver", oDefaultResolver ); rb_global_variable( &oGenericResolver ); oGenericResolver = rb_funcall( cResolver, rb_intern( "new" ), 0 ); rb_define_singleton_method( oGenericResolver, "node_import", syck_genericresolver_node_import, 1 ); rb_define_const( rb_syck, "GenericResolver", oGenericResolver ); /* * Define YAML::Syck::Parser class */ cParser = rb_define_class_under( rb_syck, "Parser", rb_cObject ); rb_define_attr( cParser, "options", 1, 1 ); rb_define_attr( cParser, "resolver", 1, 1 ); rb_define_attr( cParser, "input", 1, 1 ); rb_define_alloc_func( cParser, syck_parser_s_alloc ); rb_define_method(cParser, "initialize", syck_parser_initialize, -1 ); rb_define_method(cParser, "bufsize=", syck_parser_bufsize_set, 1 ); rb_define_method(cParser, "bufsize", syck_parser_bufsize_get, 0 ); rb_define_method(cParser, "load", syck_parser_load, -1); rb_define_method(cParser, "load_documents", syck_parser_load_documents, -1); rb_define_method(cParser, "set_resolver", syck_parser_set_resolver, 1); /* * Define YAML::Syck::Node class */ cNode = rb_define_class_under( rb_syck, "Node", rb_cObject ); rb_undef( cNode, rb_intern("initialize_copy") ); rb_define_attr( cNode, "emitter", 1, 1 ); rb_define_attr( cNode, "resolver", 1, 1 ); rb_define_attr( cNode, "kind", 1, 0 ); rb_define_attr( cNode, "type_id", 1, 0 ); rb_define_attr( cNode, "value", 1, 0 ); rb_define_method( cNode, "type_id=", syck_node_type_id_set, 1 ); rb_define_method( cNode, "transform", syck_node_transform, 0); /* * Define YAML::Syck::Scalar, YAML::Syck::Seq, YAML::Syck::Map -- * all are the publicly usable variants of YAML::Syck::Node */ cScalar = rb_define_class_under( rb_syck, "Scalar", cNode ); rb_define_alloc_func( cScalar, syck_scalar_alloc ); rb_define_method( cScalar, "initialize", syck_scalar_initialize, 3 ); rb_define_method( cScalar, "value=", syck_scalar_value_set, 1 ); rb_define_method( cScalar, "style=", syck_scalar_style_set, 1 ); cSeq = rb_define_class_under( rb_syck, "Seq", cNode ); rb_define_alloc_func( cSeq, syck_seq_alloc ); rb_define_method( cSeq, "initialize", syck_seq_initialize, 3 ); rb_define_method( cSeq, "value=", syck_seq_value_set, 1 ); rb_define_method( cSeq, "add", syck_seq_add_m, 1 ); rb_define_method( cSeq, "style=", syck_seq_style_set, 1 ); cMap = rb_define_class_under( rb_syck, "Map", cNode ); rb_define_alloc_func( cMap, syck_map_alloc ); rb_define_method( cMap, "initialize", syck_map_initialize, 3 ); rb_define_method( cMap, "value=", syck_map_value_set, 1 ); rb_define_method( cMap, "add", syck_map_add_m, 2 ); rb_define_method( cMap, "style=", syck_map_style_set, 1 ); /* * Define YAML::PrivateType class */ cPrivateType = rb_define_class_under( rb_syck, "PrivateType", rb_cObject ); rb_define_attr( cPrivateType, "type_id", 1, 1 ); rb_define_attr( cPrivateType, "value", 1, 1 ); rb_define_method( cPrivateType, "initialize", syck_privatetype_initialize, 2); /* * Define YAML::DomainType class */ cDomainType = rb_define_class_under( rb_syck, "DomainType", rb_cObject ); rb_define_attr( cDomainType, "domain", 1, 1 ); rb_define_attr( cDomainType, "type_id", 1, 1 ); rb_define_attr( cDomainType, "value", 1, 1 ); rb_define_method( cDomainType, "initialize", syck_domaintype_initialize, 3); /* * Define YAML::Object class */ cYObject = rb_define_class_under( rb_syck, "Object", rb_cObject ); rb_define_attr( cYObject, "class", 1, 1 ); rb_define_attr( cYObject, "ivars", 1, 1 ); rb_define_method( cYObject, "initialize", syck_yobject_initialize, 2); rb_define_method( cYObject, "yaml_initialize", syck_yobject_initialize, 2); /* * Define YAML::Syck::BadAlias class */ cBadAlias = rb_define_class_under( rb_syck, "BadAlias", rb_cObject ); rb_define_attr( cBadAlias, "name", 1, 1 ); rb_define_method( cBadAlias, "initialize", syck_badalias_initialize, 1); rb_define_method( cBadAlias, "<=>", syck_badalias_cmp, 1); rb_include_module( cBadAlias, rb_const_get( rb_cObject, rb_intern("Comparable") ) ); /* * Define YAML::Syck::MergeKey class */ cMergeKey = rb_define_class_under( rb_syck, "MergeKey", rb_cObject ); /* * Define YAML::Syck::DefaultKey class */ cDefaultKey = rb_define_class_under( rb_syck, "DefaultKey", rb_cObject ); /* * Define YAML::Syck::Out classes */ cOut = rb_define_class_under( rb_syck, "Out", rb_cObject ); rb_define_attr( cOut, "emitter", 1, 1 ); rb_define_method( cOut, "initialize", syck_out_initialize, 1 ); rb_define_method( cOut, "map", syck_out_map, -1 ); rb_define_method( cOut, "seq", syck_out_seq, -1 ); rb_define_method( cOut, "scalar", syck_out_scalar, -1 ); /* * Define YAML::Syck::Emitter class */ cEmitter = rb_define_class_under( rb_syck, "Emitter", rb_cObject ); rb_define_attr( cEmitter, "level", 1, 1 ); rb_define_alloc_func( cEmitter, syck_emitter_s_alloc ); rb_define_method( cEmitter, "initialize", syck_emitter_reset, -1 ); rb_define_method( cEmitter, "reset", syck_emitter_reset, -1 ); rb_define_method( cEmitter, "emit", syck_emitter_emit, -1 ); rb_define_method( cEmitter, "set_resolver", syck_emitter_set_resolver, 1); rb_define_method( cEmitter, "node_export", syck_emitter_node_export, 1); }