1/*
2 * Copyright © 2010  Behdad Esfahbod
3 * Copyright © 2011,2012  Google, Inc.
4 *
5 *  This is part of HarfBuzz, a text shaping library.
6 *
7 * Permission is hereby granted, without written agreement and without
8 * license or royalty fees, to use, copy, modify, and distribute this
9 * software and its documentation for any purpose, provided that the
10 * above copyright notice and the following two paragraphs appear in
11 * all copies of this software.
12 *
13 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
14 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
15 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
16 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
17 * DAMAGE.
18 *
19 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
20 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
21 * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
22 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
23 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
24 *
25 * Google Author(s): Behdad Esfahbod
26 */
27
28#include "main-font-text.hh"
29#include "shape-consumer.hh"
30
31struct output_buffer_t
32{
33  output_buffer_t (option_parser_t *parser)
34		  : options (parser,
35			     g_strjoinv ("/", (gchar**) hb_buffer_serialize_list_formats ())),
36		    format (parser) {}
37
38  void init (const font_options_t *font_opts)
39  {
40    options.get_file_handle ();
41    gs = g_string_new (NULL);
42    line_no = 0;
43    font = hb_font_reference (font_opts->get_font ());
44
45    if (!options.output_format)
46      output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
47    else
48      output_format = hb_buffer_serialize_format_from_string (options.output_format, -1);
49    if (!hb_buffer_serialize_format_to_string (output_format))
50    {
51      if (options.explicit_output_format)
52	fail (false, "Unknown output format `%s'; supported formats are: %s",
53	      options.output_format, options.supported_formats);
54      else
55	/* Just default to TEXT if not explicitly requested and the
56	 * file extension is not recognized. */
57	output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
58    }
59
60    unsigned int flags = HB_BUFFER_SERIALIZE_FLAGS_DEFAULT;
61    if (!format.show_glyph_names)
62      flags |= HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES;
63    if (!format.show_clusters)
64      flags |= HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS;
65    if (!format.show_positions)
66      flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
67    format_flags = (hb_buffer_serialize_flags_t) flags;
68  }
69  void new_line (void)
70  {
71    line_no++;
72  }
73  void consume_text (hb_buffer_t  *buffer,
74		     const char   *text,
75		     unsigned int  text_len,
76		     hb_bool_t     utf8_clusters)
77  {
78    g_string_set_size (gs, 0);
79    format.serialize_buffer_of_text (buffer, line_no, text, text_len, font, gs);
80    fprintf (options.fp, "%s", gs->str);
81  }
82  void shape_failed (hb_buffer_t  *buffer,
83		     const char   *text,
84		     unsigned int  text_len,
85		     hb_bool_t     utf8_clusters)
86  {
87    g_string_set_size (gs, 0);
88    format.serialize_message (line_no, "msg: all shapers failed", gs);
89    fprintf (options.fp, "%s", gs->str);
90  }
91  void consume_glyphs (hb_buffer_t  *buffer,
92		       const char   *text,
93		       unsigned int  text_len,
94		       hb_bool_t     utf8_clusters)
95  {
96    g_string_set_size (gs, 0);
97    format.serialize_buffer_of_glyphs (buffer, line_no, text, text_len, font,
98				       output_format, format_flags, gs);
99    fprintf (options.fp, "%s", gs->str);
100  }
101  void finish (const font_options_t *font_opts)
102  {
103    hb_font_destroy (font);
104    g_string_free (gs, true);
105    gs = NULL;
106    font = NULL;
107  }
108
109  protected:
110  output_options_t options;
111  format_options_t format;
112
113  GString *gs;
114  unsigned int line_no;
115  hb_font_t *font;
116  hb_buffer_serialize_format_t output_format;
117  hb_buffer_serialize_flags_t format_flags;
118};
119
120int
121main (int argc, char **argv)
122{
123  main_font_text_t<shape_consumer_t<output_buffer_t> > driver;
124  return driver.main (argc, argv);
125}
126