Class: LibXML::XML::InputCallbacks

Inherits:
Object
  • Object
show all
Defined in:
ext/libxml/ruby_xml_input_cbg.c,
ext/libxml/ruby_xml_input_cbg.c

Overview

Support for adding custom scheme handlers.

Class Method Summary collapse

Class Method Details

.add_scheme ⇒ Object

No documentation available.



103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
 
# File 'ext/libxml/ruby_xml_input_cbg.c', line 103

static VALUE input_callbacks_add_scheme(VALUE self, VALUE scheme_name,
    VALUE class)
{
  ic_scheme *scheme;

  Check_Type(scheme_name, T_STRING);

  scheme = (ic_scheme*) malloc(sizeof(ic_scheme));
  scheme->next_scheme = 0;
  scheme->scheme_name = strdup(StringValuePtr(scheme_name)); /* TODO alloc, dealloc */
  scheme->name_len = strlen(scheme->scheme_name);
  scheme->class = class; /* TODO alloc, dealloc */

  //fprintf( stderr, "registered: %s, %d, %s\n", scheme->scheme_name, scheme->name_len, scheme->class );

  if (0 == first_scheme)
    first_scheme = scheme;
  else
  {
    ic_scheme *pos;
    pos = first_scheme;
    while (0 != pos->next_scheme)
      pos = pos->next_scheme;
    pos->next_scheme = scheme;
  }

  return (Qtrue);
}

.register ⇒ Object

Register a new set of I/O callback for handling parser input.



91
92
93
94
95
 
# File 'ext/libxml/ruby_xml_input_cbg.c', line 91

static VALUE input_callbacks_register_input_callbacks()
{
  xmlRegisterInputCallbacks(ic_match, ic_open, ic_read, ic_close);
  return (Qtrue);
}

.remove_scheme ⇒ Object

No documentation available.



138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
 
# File 'ext/libxml/ruby_xml_input_cbg.c', line 138

static VALUE input_callbacks_remove_scheme(VALUE self, VALUE scheme_name)
{
  char *name;
  ic_scheme *save_scheme, *scheme;

  Check_Type(scheme_name, T_STRING);
  name = StringValuePtr(scheme_name);

  if (0 == first_scheme)
    return Qfalse;

  if (!strncmp(name, first_scheme->scheme_name, first_scheme->name_len))
  {
    save_scheme = first_scheme->next_scheme;

    ruby_xfree(first_scheme->scheme_name);
    ruby_xfree(first_scheme);

    first_scheme = save_scheme;
    return Qtrue;
  }

  scheme = first_scheme;
  while (0 != scheme->next_scheme)
  {
    if (!strncmp(name, scheme->next_scheme->scheme_name,
        scheme->next_scheme->name_len))
    {
      save_scheme = scheme->next_scheme->next_scheme;

      ruby_xfree(scheme->next_scheme->scheme_name);
      ruby_xfree(scheme->next_scheme);

      scheme->next_scheme = save_scheme;
      return Qtrue;
    }
    scheme = scheme->next_scheme;
  }
  return Qfalse;
}