Hash :
e4120085
Author :
Date :
2018-12-17T21:31:01
Remove redundant void from C++ sources (#1486)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190
/*
* Copyright © 2010 Behdad Esfahbod
* Copyright © 2011,2012 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Google Author(s): Behdad Esfahbod
*/
#include "main-font-text.hh"
#include "shape-consumer.hh"
struct output_buffer_t
{
output_buffer_t (option_parser_t *parser)
: options (parser, hb_buffer_serialize_list_formats ()),
format (parser),
gs (nullptr),
line_no (0),
font (nullptr),
output_format (HB_BUFFER_SERIALIZE_FORMAT_INVALID),
format_flags (HB_BUFFER_SERIALIZE_FLAG_DEFAULT) {}
void init (hb_buffer_t *buffer, const font_options_t *font_opts)
{
options.get_file_handle ();
gs = g_string_new (nullptr);
line_no = 0;
font = hb_font_reference (font_opts->get_font ());
if (!options.output_format)
output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
else
output_format = hb_buffer_serialize_format_from_string (options.output_format, -1);
/* An empty "output_format" parameter basically skips output generating.
* Useful for benchmarking. */
if ((!options.output_format || *options.output_format) &&
!hb_buffer_serialize_format_to_string (output_format))
{
if (options.explicit_output_format)
fail (false, "Unknown output format `%s'; supported formats are: %s",
options.output_format,
g_strjoinv ("/", const_cast<char**> (options.supported_formats)));
else
/* Just default to TEXT if not explicitly requested and the
* file extension is not recognized. */
output_format = HB_BUFFER_SERIALIZE_FORMAT_TEXT;
}
unsigned int flags = HB_BUFFER_SERIALIZE_FLAG_DEFAULT;
if (!format.show_glyph_names)
flags |= HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES;
if (!format.show_clusters)
flags |= HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS;
if (!format.show_positions)
flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
if (!format.show_advances)
flags |= HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES;
if (format.show_extents)
flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS;
if (format.show_flags)
flags |= HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS;
format_flags = (hb_buffer_serialize_flags_t) flags;
if (format.trace)
hb_buffer_set_message_func (buffer, message_func, this, nullptr);
}
void new_line () { line_no++; }
void consume_text (hb_buffer_t *buffer,
const char *text,
unsigned int text_len,
hb_bool_t utf8_clusters)
{
g_string_set_size (gs, 0);
format.serialize_buffer_of_text (buffer, line_no, text, text_len, font, gs);
fprintf (options.fp, "%s", gs->str);
}
void error (const char *message)
{
g_string_set_size (gs, 0);
format.serialize_message (line_no, "error", message, gs);
fprintf (options.fp, "%s", gs->str);
}
void consume_glyphs (hb_buffer_t *buffer,
const char *text,
unsigned int text_len,
hb_bool_t utf8_clusters)
{
g_string_set_size (gs, 0);
format.serialize_buffer_of_glyphs (buffer, line_no, text, text_len, font,
output_format, format_flags, gs);
fprintf (options.fp, "%s", gs->str);
}
void finish (hb_buffer_t *buffer, const font_options_t *font_opts)
{
hb_buffer_set_message_func (buffer, nullptr, nullptr, nullptr);
hb_font_destroy (font);
g_string_free (gs, true);
gs = nullptr;
font = nullptr;
}
static hb_bool_t
message_func (hb_buffer_t *buffer,
hb_font_t *font,
const char *message,
void *user_data)
{
output_buffer_t *that = (output_buffer_t *) user_data;
that->trace (buffer, font, message);
return true;
}
void
trace (hb_buffer_t *buffer,
hb_font_t *font,
const char *message)
{
g_string_set_size (gs, 0);
format.serialize_line_no (line_no, gs);
g_string_append_printf (gs, "trace: %s buffer: ", message);
format.serialize_glyphs (buffer, font, output_format, format_flags, gs);
g_string_append_c (gs, '\n');
fprintf (options.fp, "%s", gs->str);
}
protected:
output_options_t options;
format_options_t format;
GString *gs;
unsigned int line_no;
hb_font_t *font;
hb_buffer_serialize_format_t output_format;
hb_buffer_serialize_flags_t format_flags;
};
int
main (int argc, char **argv)
{
if (argc == 2 && !strcmp (argv[1], "--batch"))
{
unsigned int ret = 0;
char buf[4092];
while (fgets (buf, sizeof (buf), stdin))
{
size_t l = strlen (buf);
if (l && buf[l - 1] == '\n') buf[l - 1] = '\0';
main_font_text_t<shape_consumer_t<output_buffer_t>, FONT_SIZE_UPEM, 0> driver;
char *args[32];
argc = 0;
char *p = buf, *e;
args[argc++] = p;
while ((e = strchr (p, ' ')) && argc < (int) (int) ARRAY_LENGTH (args))
{
*e++ = '\0';
while (*e == ' ')
e++;
args[argc++] = p = e;
}
ret |= driver.main (argc, args);
fflush (stdout);
if (ret)
break;
}
return ret;
}
main_font_text_t<shape_consumer_t<output_buffer_t>, FONT_SIZE_UPEM, 0> driver;
return driver.main (argc, argv);
}