1 /* 2 * Copyright 2011,2012 Google, Inc. 3 * 4 * This is part of HarfBuzz, a text shaping library. 5 * 6 * Permission is hereby granted, without written agreement and without 7 * license or royalty fees, to use, copy, modify, and distribute this 8 * software and its documentation for any purpose, provided that the 9 * above copyright notice and the following two paragraphs appear in 10 * all copies of this software. 11 * 12 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 13 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 14 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 15 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 16 * DAMAGE. 17 * 18 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 19 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 21 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 22 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 23 * 24 * Google Author(s): Behdad Esfahbod 25 */ 26 27 #include "options.hh" 28 29 #ifndef HB_MAIN_FONT_TEXT_HH 30 #define HB_MAIN_FONT_TEXT_HH 31 32 /* main() body for utilities taking font and processing text.*/ 33 34 template <typename consumer_t> 35 struct main_font_text_t 36 { 37 main_font_text_t (void) 38 : options ("[FONT-FILE] [TEXT]"), 39 font_opts (&options), 40 input (&options), 41 consumer (&options) {} 42 43 int 44 main (int argc, char **argv) 45 { 46 options.parse (&argc, &argv); 47 48 argc--, argv++; 49 if (argc && !font_opts.font_file) font_opts.font_file = argv[0], argc--, argv++; 50 if (argc && !input.text && !input.text_file) input.text = argv[0], argc--, argv++; 51 if (argc) 52 fail (true, "Too many arguments on the command line"); 53 if (!font_opts.font_file) 54 options.usage (); 55 if (!input.text && !input.text_file) 56 input.text_file = "-"; 57 58 consumer.init (&font_opts); 59 60 hb_buffer_t *buffer = hb_buffer_create (); 61 unsigned int text_len; 62 const char *text; 63 while ((text = input.get_line (&text_len))) 64 consumer.consume_line (buffer, text, text_len, input.text_before, input.text_after); 65 hb_buffer_destroy (buffer); 66 67 consumer.finish (&font_opts); 68 69 return consumer.failed ? 1 : 0; 70 } 71 72 protected: 73 option_parser_t options; 74 font_options_t font_opts; 75 text_options_t input; 76 consumer_t consumer; 77 }; 78 79 #endif 80 81
