64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
#include <ruby.h>
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VALUE mAttributeBuilder;
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static ID id_temple, id_utils, id_escape_html;
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static ID id_flatten, id_join;
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static ID id_underscore;
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static VALUE
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attr_build_id(VALUE escape_attrs, VALUE ids)
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{
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VALUE truthy_ids, id, attr_value, mUtils;
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int i, len;
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ids = rb_funcall(ids, id_flatten, 0);
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truthy_ids = rb_ary_new();
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len = RARRAY_LEN(ids);
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for (i = 0; i < len; i++) {
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id = rb_ary_entry(ids, i);
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if (!NIL_P(id) && id != Qfalse) {
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rb_ary_push(truthy_ids, id);
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}
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}
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attr_value = rb_funcall(truthy_ids, id_join, 1, rb_const_get(mAttributeBuilder, id_underscore));
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if (RTEST(escape_attrs)) {
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mUtils = rb_const_get(rb_const_get(rb_cObject, id_temple), id_utils);
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attr_value = rb_funcall(mUtils, id_escape_html, 1, attr_value);
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}
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return attr_value;
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}
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static VALUE
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rb_attr_build_id(int argc, VALUE *argv, RB_UNUSED_VAR(VALUE self))
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{
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VALUE array;
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rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
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rb_scan_args(argc - 1, argv + 1, "*", &array);
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return attr_build_id(argv[0], array);
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}
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void
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Init_hamlit(void)
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{
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VALUE mHamlit;
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mHamlit = rb_define_module("Hamlit");
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mAttributeBuilder = rb_define_module_under(mHamlit, "AttributeBuilder");
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rb_define_singleton_method(mAttributeBuilder, "build_id", rb_attr_build_id, -1);
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id_temple = rb_intern("Temple");
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id_utils = rb_intern("Utils");
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id_escape_html = rb_intern("escape_html");
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id_flatten = rb_intern("flatten");
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id_join = rb_intern("join");
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id_underscore = rb_intern("UNDERSCORE");
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rb_const_set(mAttributeBuilder, id_underscore, rb_obj_freeze(rb_str_new2("_")));
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}
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