src/swf_tag_edit.c

   1 /*
   2   +----------------------------------------------------------------------+
   3   | Author: yoya@awm.jp                                                  |
   4   +----------------------------------------------------------------------+
   5 */
   6
   7 #include <stdio.h>
   8 #include <string.h>
   9 #include "bitstream.h"
  10 #include "swf_tag_edit.h"
  11 #include "swf_object.h"
  12 #include "swf_rgba.h"
  13
  14 swf_tag_detail_handler_t edit_detail_handler;
  15
  16 swf_tag_detail_handler_t *
  17 swf_tag_edit_detail_handler(void) {
  18     edit_detail_handler.create   = swf_tag_edit_create_detail;
  19     edit_detail_handler.input    = swf_tag_edit_input_detail;
  20     edit_detail_handler.get_cid  = swf_tag_edit_get_cid_detail;
  21     edit_detail_handler.replace_cid = swf_tag_edit_replace_cid_detail;
  22     edit_detail_handler.output   = swf_tag_edit_output_detail;
  23     edit_detail_handler.print    = swf_tag_edit_print_detail;
  24     edit_detail_handler.destroy  = swf_tag_edit_destroy_detail;
  25     return &edit_detail_handler;
  26 }
  27
  28 void *
  29 swf_tag_edit_create_detail(void) {
  30     swf_tag_edit_detail_t *swf_tag_edit;
  31     swf_tag_edit = calloc(sizeof(*swf_tag_edit), 1);
  32     if (swf_tag_edit == NULL) {
  33         fprintf(stderr, "ERROR: swf_tag_edit_create_detail: can't calloc\n");
  34         return NULL;
  35     }
  36     return swf_tag_edit;
  37 }
  38
  39 int
  40 swf_tag_edit_input_detail(swf_tag_t *tag, struct swf_object_ *swf) {
  41     swf_tag_edit_detail_t *swf_tag_edit = tag->detail;
  42     unsigned char *data  = tag->data;
  43     unsigned long length = tag->length;
  44     bitstream_t *bs;
  45     if (swf_tag_edit == NULL) {
  46         fprintf(stderr, "ERROR: swf_tag_edit_input_detail: swf_tag_edit == NULL\n");
  47         return 1;
  48     }
  49     bs = bitstream_open();
  50     bitstream_input(bs, data, length);
  51     swf_tag_edit->edit_id = bitstream_getbytesLE(bs, 2);
  52     swf_rect_parse(bs, &swf_tag_edit->rect);
  53     bitstream_align(bs);
  54     swf_tag_edit->edit_has_text       = bitstream_getbit(bs);
  55     swf_tag_edit->edit_word_wrap      = bitstream_getbit(bs);
  56     swf_tag_edit->edit_multiline      = bitstream_getbit(bs);
  57     swf_tag_edit->edit_password       = bitstream_getbit(bs);
  58     swf_tag_edit->edit_readonly       = bitstream_getbit(bs);
  59     swf_tag_edit->edit_has_color      = bitstream_getbit(bs);
  60     swf_tag_edit->edit_has_max_length = bitstream_getbit(bs);
  61     swf_tag_edit->edit_has_font       = bitstream_getbit(bs);
  62     if (swf && (swf->header.version >= 6)) {
  63         (void) bitstream_getbit(bs); // reserved;
  64         swf_tag_edit->edit_auto_size = bitstream_getbit(bs);
  65     } else {
  66         (void) bitstream_getbit(bs); // reserved;
  67         (void) bitstream_getbit(bs); // reserved;
  68     }
  69     swf_tag_edit->edit_has_layout   = bitstream_getbit(bs);
  70     swf_tag_edit->edit_no_select    = bitstream_getbit(bs);
  71     swf_tag_edit->edit_border       = bitstream_getbit(bs);
  72     (void) bitstream_getbit(bs); // reserved;
  73     swf_tag_edit->edit_html         = bitstream_getbit(bs);
  74     swf_tag_edit->edit_use_outlines = bitstream_getbit(bs);
  75     if (swf_tag_edit->edit_has_font) {
  76         swf_tag_edit->edit_font_id_ref = bitstream_getbytesLE(bs, 2);
  77         swf_tag_edit->edit_font_height = bitstream_getbytesLE(bs, 2);
  78     }
  79     if (swf_tag_edit->edit_has_color) {
  80         swf_rgba_parse(bs, &swf_tag_edit->edit_color);
  81     }
  82     if (swf_tag_edit->edit_has_max_length) {
  83         swf_tag_edit->edit_max_length = bitstream_getbytesLE(bs, 2);
  84     }
  85     if (swf_tag_edit->edit_has_layout) {
  86         swf_tag_edit->edit_align = bitstream_getbyte(bs);
  87         swf_tag_edit->edit_left_margine = bitstream_getbytesLE(bs, 2);
  88         swf_tag_edit->edit_right_margine = bitstream_getbytesLE(bs, 2);
  89         swf_tag_edit->edit_indent = (signed) bitstream_getbytesLE(bs, 2);
  90         swf_tag_edit->edit_leading = (signed) bitstream_getbytesLE(bs, 2);
  91     }
  92     swf_tag_edit->edit_variable_name = (char *) bitstream_outputstring(bs);
  93     if (swf_tag_edit->edit_has_text) {
  94         swf_tag_edit->edit_initial_text = (char *) bitstream_outputstring(bs);
  95     } else {
  96         swf_tag_edit->edit_initial_text = NULL;
  97     }
  98
  99     bitstream_close(bs);
 100     return 0;
 101 }
 102
 103 int swf_tag_edit_get_cid_detail(swf_tag_t *tag) {
 104     unsigned char *data = tag->data;
 105     if (tag->detail) {
 106         swf_tag_edit_detail_t *swf_tag_edit = (swf_tag_edit_detail_t *) tag->detail;
 107         return swf_tag_edit->edit_id;
 108     }
 109     if (data == NULL) {
 110         fprintf(stderr, "swf_tag_edit_get_cid_detail: data == NULL\n");
 111         return -1;
 112     }
 113     return GetUShortLE(data); // edit_id;
 114 }
 115
 116 int swf_tag_edit_replace_cid_detail(swf_tag_t *tag, int id) {
 117     unsigned char *data = tag->data;
 118     if (tag->detail) {
 119         swf_tag_edit_detail_t *swf_tag_edit = (swf_tag_edit_detail_t *) tag->detail;
 120         swf_tag_edit->edit_id = id;
 121     }
 122     if (data) {
 123         PutUShortLE(data, id);
 124     }
 125     return 0; // always 0
 126 }
 127
 128 unsigned char *
 129 swf_tag_edit_output_detail(swf_tag_t *tag, unsigned long *length,
 130                            struct swf_object_ *swf) {
 131     swf_tag_edit_detail_t *swf_tag_edit = (swf_tag_edit_detail_t *) tag->detail;
 132     bitstream_t *bs;
 133     unsigned char *data;
 134     (void) tag;
 135     *length = 0;
 136     bs = bitstream_open();
 137     bitstream_putbytesLE(bs, swf_tag_edit->edit_id, 2);
 138     swf_rect_build(bs, &swf_tag_edit->rect);
 139     bitstream_align(bs);
 140     bitstream_putbit(bs, swf_tag_edit->edit_has_text);
 141     bitstream_putbit(bs, swf_tag_edit->edit_word_wrap);
 142     bitstream_putbit(bs, swf_tag_edit->edit_multiline);
 143     bitstream_putbit(bs, swf_tag_edit->edit_password );
 144     bitstream_putbit(bs, swf_tag_edit->edit_readonly);
 145     bitstream_putbit(bs, swf_tag_edit->edit_has_color );
 146     bitstream_putbit(bs, swf_tag_edit->edit_has_max_length);
 147     bitstream_putbit(bs, swf_tag_edit->edit_has_font);
 148     if (swf && (swf->header.version >= 6)) {
 149         bitstream_putbit(bs, 0); // reserved;
 150         bitstream_putbit(bs, swf_tag_edit->edit_auto_size);
 151     } else {
 152         bitstream_putbit(bs, 0); // reserved;
 153         bitstream_putbit(bs, 0); // reserved;
 154     }
 155     bitstream_putbit(bs, swf_tag_edit->edit_has_layout);
 156     bitstream_putbit(bs, swf_tag_edit->edit_no_select);
 157     bitstream_putbit(bs, swf_tag_edit->edit_border);
 158     bitstream_putbit(bs, 0); // reserved;
 159     bitstream_putbit(bs, swf_tag_edit->edit_html);
 160     bitstream_putbit(bs, swf_tag_edit->edit_use_outlines);
 161     if (swf_tag_edit->edit_has_font) {
 162         bitstream_putbytesLE(bs, swf_tag_edit->edit_font_id_ref, 2);
 163         bitstream_putbytesLE(bs, swf_tag_edit->edit_font_height, 2);
 164     }
 165     if (swf_tag_edit->edit_has_color) {
 166         swf_rgba_build(bs, &swf_tag_edit->edit_color);
 167     }
 168     if (swf_tag_edit->edit_has_max_length) {
 169         bitstream_putbytesLE(bs, swf_tag_edit->edit_max_length, 2);
 170     }
 171     if (swf_tag_edit->edit_has_layout) {
 172         bitstream_putbyte(bs, swf_tag_edit->edit_align);
 173         bitstream_putbytesLE(bs, swf_tag_edit->edit_left_margine, 2);
 174         bitstream_putbytesLE(bs, swf_tag_edit->edit_right_margine, 2);
 175         bitstream_putbytesLE(bs, swf_tag_edit->edit_indent, 2);
 176         bitstream_putbytesLE(bs, swf_tag_edit->edit_leading, 2);
 177     }
 178     bitstream_putstring(bs,
 179                         (unsigned char *) swf_tag_edit->edit_variable_name,
 180                         strlen(swf_tag_edit->edit_variable_name) + 1);
 181     if (swf_tag_edit->edit_has_text) {
 182         bitstream_putstring(bs,
 183                             (unsigned char *)swf_tag_edit->edit_initial_text,
 184                             strlen(swf_tag_edit->edit_initial_text) + 1);
 185     }
 186     data = bitstream_steal(bs, length);
 187     bitstream_close(bs);
 188     return data;
 189 }
 190
 191 void
 192 swf_tag_edit_print_detail(swf_tag_t *tag,
 193                           struct swf_object_ *swf, int indent_depth) {
 194     swf_tag_edit_detail_t *swf_tag_edit = (swf_tag_edit_detail_t *) tag->detail;
 195     (void) tag;
 196     print_indent(indent_depth);
 197     printf("edit_id=%d\n", swf_tag_edit->edit_id);
 198     swf_rect_print(&swf_tag_edit->rect, indent_depth + 1);
 199     print_indent(indent_depth);
 200     printf("text=%d wwrap=%d multi=%d pass=%d ro=%d col=%d maxlen=%d font=%d\n",
 201            swf_tag_edit->edit_has_text?1:0,
 202            swf_tag_edit->edit_word_wrap?1:0,
 203            swf_tag_edit->edit_multiline?1:0,
 204            swf_tag_edit->edit_password?1:0,
 205            swf_tag_edit->edit_readonly?1:0,
 206            swf_tag_edit->edit_has_color?1:0,
 207            swf_tag_edit->edit_has_max_length?1:0,
 208            swf_tag_edit->edit_has_font?1:0);
 209     if (swf->header.version >= 6) {
 210             print_indent(indent_depth);
 211             printf("auto_size=%d\n", swf_tag_edit->edit_auto_size);
 212     }
 213     print_indent(indent_depth);
 214     printf("layout=%d no_sel=%d border=%d\n",
 215            swf_tag_edit->edit_has_layout?1:0,
 216            swf_tag_edit->edit_no_select?1:0,
 217            swf_tag_edit->edit_border?1:0);
 218     if (swf_tag_edit->edit_has_font) {
 219         print_indent(indent_depth);
 220         printf("font_id=%d font_height=%d",
 221                swf_tag_edit->edit_font_id_ref,
 222                swf_tag_edit->edit_font_height / SWF_TWIPS);
 223     }
 224     if (swf_tag_edit->edit_has_color) {
 225         printf("  color=#%02x%02x%02x(%02x)",
 226                swf_tag_edit->edit_color.red,
 227                swf_tag_edit->edit_color.green,
 228                swf_tag_edit->edit_color.blue,
 229                swf_tag_edit->edit_color.alpha);
 230     }
 231     printf("\n");
 232     if (swf_tag_edit->edit_has_max_length) {
 233         print_indent(indent_depth);
 234         printf("max_length=%d\n",
 235                swf_tag_edit->edit_max_length);
 236     }
 237     if (swf_tag_edit->edit_has_layout) {
 238         print_indent(indent_depth);
 239         printf("align=%d (left,right)_margine=(%d,%d) indent=%d leading=%d\n",
 240                swf_tag_edit->edit_align,
 241                swf_tag_edit->edit_left_margine,
 242                swf_tag_edit->edit_right_margine,
 243                swf_tag_edit->edit_indent,
 244                swf_tag_edit->edit_leading);
 245     }
 246     if (swf_tag_edit->edit_variable_name) {
 247         print_indent(indent_depth);
 248         printf("variable_name=%s\n",
 249                swf_tag_edit->edit_variable_name);
 250     }
 251     if (swf_tag_edit->edit_initial_text) {
 252         print_indent(indent_depth);
 253         printf("initial_text=%s\n",
 254                swf_tag_edit->edit_initial_text);
 255     }
 256     return ;
 257 }
 258
 259 void
 260 swf_tag_edit_destroy_detail(swf_tag_t *tag) {
 261     swf_tag_edit_detail_t *swf_tag_edit = (swf_tag_edit_detail_t *) tag->detail;
 262     if (swf_tag_edit) {
 263         free(swf_tag_edit->edit_variable_name);
 264         free(swf_tag_edit->edit_initial_text);
 265         swf_tag_edit->edit_variable_name = NULL;
 266         swf_tag_edit->edit_initial_text = NULL;
 267         free(swf_tag_edit);
 268         tag->detail = NULL;
 269     }
 270     return ;
 271 }
 272
 273 char *
 274 swf_tag_edit_get_string(void *detail,
 275                         char *variable_name, int variable_name_len,
 276                         int *error) {
 277     swf_tag_edit_detail_t *swf_tag_edit = (swf_tag_edit_detail_t *) detail;
 278     char *data, *initial_text;
 279     int initial_text_len = 0;
 280     *error = 0;
 281
 282     if ((strlen(swf_tag_edit->edit_variable_name) != (unsigned)variable_name_len) || strncmp(swf_tag_edit->edit_variable_name, variable_name, variable_name_len)) {
 283         if (atoi(variable_name) != swf_tag_edit->edit_id) {
 284             *error = 1;
 285             return NULL;
 286         }
 287     }
 288     initial_text = swf_tag_edit->edit_initial_text;
 289     if (initial_text == NULL) {
 290         return NULL;
 291     }
 292     initial_text_len = strlen(initial_text);
 293     data = malloc(initial_text_len + 1);
 294     if (data == NULL) {
 295         *error = 1;
 296         fprintf(stderr, "swf_tag_edit_get_string: Can't malloc\n");
 297         return NULL;
 298     }
 299     memcpy(data, initial_text, initial_text_len + 1);
 300     return data;
 301 }
 302
 303 int
 304 swf_tag_edit_replace_string(void *detail,
 305                             char *variable_name, int variable_name_len,
 306                             char *initial_text, int initial_text_len) {
 307     char *new_str;
 308     swf_tag_edit_detail_t *swf_tag_edit = (swf_tag_edit_detail_t *) detail;
 309     if (((int) strlen(swf_tag_edit->edit_variable_name) != variable_name_len)
 310         || memcmp(swf_tag_edit->edit_variable_name, variable_name,
 311                   variable_name_len)) {
 312         if (atoi(variable_name) != swf_tag_edit->edit_id) {
 313             return 1;
 314         }
 315     }
 316     if (initial_text_len == 0) {
 317         swf_tag_edit->edit_has_text = 0;
 318         if (swf_tag_edit->edit_initial_text) {
 319             free(swf_tag_edit->edit_initial_text);
 320             swf_tag_edit->edit_initial_text = NULL;
 321         }
 322         return 0;
 323     }
 324     swf_tag_edit->edit_has_text = 1;
 325     new_str = malloc(initial_text_len + 1);
 326     if (new_str == NULL) {
 327         fprintf(stderr, "swf_tag_edit_replace_string: Can't malloc\n");
 328         return 1;
 329     }
 330     memcpy(new_str, initial_text, initial_text_len);
 331     new_str[initial_text_len] = '\0';
 332     if (swf_tag_edit->edit_initial_text) {
 333         free(swf_tag_edit->edit_initial_text);
 334     }
 335     swf_tag_edit->edit_initial_text = new_str;
 336     return 0;
 337 }