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bug 1080: Fold dump_color_mode* functions together
Instead of having four separate function definitions, have just one sprinkled with #ifdefs, and #include that four times. The purpose being to make it clearer which parts of these functions are identical and which ones differ. As a side effect, this change makes ELinks ignore --dump-color-mode when dumping in UTF-8. Colourful UTF-8 dumping has not been implemented and the fallback is now different from before.
This commit is contained in:
Kalle Olavi Niemitalo
Kalle Olavi Niemitalo
parent
da4bd42e43
commit
200e36c002
239
src/viewer/dump/dump-color-mode.h
Normal file
239
src/viewer/dump/dump-color-mode.h
Normal file
@ -0,0 +1,239 @@
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/* Color modes for dumping to a file.
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*
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* dump.c includes this file multiple times, once for each color mode.
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* Each time, it defines at most one of the following macros:
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*
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* - DUMP_COLOR_MODE_16
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* - DUMP_COLOR_MODE_256
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* - DUMP_COLOR_MODE_TRUE
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*
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* This file then defines a dumping function specifically for that
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* color mode. This is supposedly faster than runtime checks. */
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#ifdef DUMP_COLOR_MODE_16
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static int
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dump_to_file_16(struct document *document, int fd)
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#elif defined(DUMP_COLOR_MODE_256)
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static int
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dump_to_file_256(struct document *document, int fd)
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#elif defined(DUMP_COLOR_MODE_TRUE)
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static int
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dump_to_file_true_color(struct document *document, int fd)
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#else
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int
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dump_to_file(struct document *document, int fd)
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#endif
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{
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int y;
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int bptr = 0;
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unsigned char *buf = mem_alloc(D_BUF);
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#ifdef DUMP_COLOR_MODE_16
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unsigned char color = 0;
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int width = get_opt_int("document.dump.width");
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#elif defined(DUMP_COLOR_MODE_256)
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unsigned char foreground = 0;
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unsigned char background = 0;
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int width = get_opt_int("document.dump.width");
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#elif defined(DUMP_COLOR_MODE_TRUE)
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static unsigned char color[6] = {255, 255, 255, 0, 0, 0};
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unsigned char *foreground = &color[0];
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unsigned char *background = &color[3];
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int width = get_opt_int("document.dump.width");
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#endif /* DUMP_COLOR_MODE_TRUE */
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if (!buf) return -1;
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#ifdef CONFIG_UTF8
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if (is_cp_utf8(document->options.cp))
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goto utf8;
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#endif /* CONFIG_UTF8 */
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for (y = 0; y < document->height; y++) {
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int white = 0;
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int x;
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#ifdef DUMP_COLOR_MODE_16
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write_color_16(color, fd, buf, &bptr);
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#elif defined(DUMP_COLOR_MODE_256)
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write_color_256("38", foreground, fd, buf, &bptr);
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write_color_256("48", background, fd, buf, &bptr);
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#elif defined(DUMP_COLOR_MODE_TRUE)
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write_true_color("38", foreground, fd, buf, &bptr);
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write_true_color("48", background, fd, buf, &bptr);
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#endif /* DUMP_COLOR_MODE_TRUE */
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for (x = 0; x < document->data[y].length; x++) {
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unsigned char c;
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unsigned char attr = document->data[y].chars[x].attr;
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#ifdef DUMP_COLOR_MODE_16
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unsigned char color1 = document->data[y].chars[x].color[0];
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if (color != color1) {
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color = color1;
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if (write_color_16(color, fd, buf, &bptr))
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goto fail;
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}
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#elif defined(DUMP_COLOR_MODE_256)
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unsigned char color1 = document->data[y].chars[x].color[0];
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unsigned char color2 = document->data[y].chars[x].color[1];
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if (foreground != color1) {
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foreground = color1;
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if (write_color_256("38", foreground, fd, buf, &bptr))
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goto fail;
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}
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if (background != color2) {
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background = color2;
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if (write_color_256("48", background, fd, buf, &bptr))
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goto fail;
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}
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#elif defined(DUMP_COLOR_MODE_TRUE)
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unsigned char *new_foreground = &document->data[y].chars[x].color[0];
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unsigned char *new_background = &document->data[y].chars[x].color[3];
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if (memcmp(foreground, new_foreground, 3)) {
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foreground = new_foreground;
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if (write_true_color("38", foreground, fd, buf, &bptr))
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goto fail;
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}
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if (memcmp(background, new_background, 3)) {
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background = new_background;
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if (write_true_color("48", background, fd, buf, &bptr))
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goto fail;
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}
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#endif /* DUMP_COLOR_MODE_TRUE */
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c = document->data[y].chars[x].data;
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if ((attr & SCREEN_ATTR_FRAME)
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&& c >= 176 && c < 224)
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c = frame_dumb[c - 176];
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if (c <= ' ') {
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/* Count spaces. */
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white++;
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continue;
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}
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/* Print spaces if any. */
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while (white) {
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if (write_char(' ', fd, buf, &bptr))
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goto fail;
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white--;
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}
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/* Print normal char. */
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if (write_char(c, fd, buf, &bptr))
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goto fail;
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}
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#if defined(DUMP_COLOR_MODE_16) || defined(DUMP_COLOR_MODE_256) || defined(DUMP_COLOR_MODE_TRUE)
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for (;x < width; x++) {
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if (write_char(' ', fd, buf, &bptr))
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goto fail;
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}
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#endif /* DUMP_COLOR_MODE_16 || DUMP_COLOR_MODE_256 || DUMP_COLOR_MODE_TRUE */
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/* Print end of line. */
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if (write_char('\n', fd, buf, &bptr))
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goto fail;
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}
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#ifdef CONFIG_UTF8
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goto ref;
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utf8:
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for (y = 0; y < document->height; y++) {
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int white = 0;
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int x;
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for (x = 0; x < document->data[y].length; x++) {
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unicode_val_T c;
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unsigned char attr = document->data[y].chars[x].attr;
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c = document->data[y].chars[x].data;
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if ((attr & SCREEN_ATTR_FRAME)
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&& c >= 176 && c < 224)
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c = frame_dumb[c - 176];
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else {
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unsigned char *utf8_buf = encode_utf8(c);
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while (*utf8_buf) {
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if (write_char(*utf8_buf++,
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fd, buf, &bptr)) goto fail;
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}
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x += unicode_to_cell(c) - 1;
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continue;
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}
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if (c <= ' ') {
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/* Count spaces. */
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white++;
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continue;
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}
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/* Print spaces if any. */
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while (white) {
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if (write_char(' ', fd, buf, &bptr))
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goto fail;
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white--;
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}
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/* Print normal char. */
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if (write_char(c, fd, buf, &bptr))
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goto fail;
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}
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/* Print end of line. */
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if (write_char('\n', fd, buf, &bptr))
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goto fail;
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}
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ref:
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#endif /* CONFIG_UTF8 */
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if (hard_write(fd, buf, bptr) != bptr) {
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fail:
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mem_free(buf);
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return -1;
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}
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if (document->nlinks && get_opt_bool("document.dump.references")) {
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int x;
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unsigned char *header = "\nReferences\n\n Visible links\n";
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int headlen = strlen(header);
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if (hard_write(fd, header, headlen) != headlen)
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goto fail;
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for (x = 0; x < document->nlinks; x++) {
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struct link *link = &document->links[x];
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unsigned char *where = link->where;
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if (!where) continue;
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if (document->options.links_numbering) {
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if (link->title && *link->title)
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snprintf(buf, D_BUF, "%4d. %s\n\t%s\n",
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x + 1, link->title, where);
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else
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snprintf(buf, D_BUF, "%4d. %s\n",
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x + 1, where);
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} else {
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if (link->title && *link->title)
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snprintf(buf, D_BUF, " . %s\n\t%s\n",
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link->title, where);
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else
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snprintf(buf, D_BUF, " . %s\n", where);
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}
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bptr = strlen(buf);
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if (hard_write(fd, buf, bptr) != bptr)
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goto fail;
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}
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}
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mem_free(buf);
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return 0;
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}
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@ -471,111 +471,9 @@ write_color_16(unsigned char color, int fd, unsigned char *buf, int *bptr)
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return 0;
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}
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static int
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dump_to_file_16(struct document *document, int fd)
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{
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int y;
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int bptr = 0;
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unsigned char *buf = mem_alloc(D_BUF);
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unsigned char color = 0;
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int width = get_opt_int("document.dump.width");
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if (!buf) return -1;
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for (y = 0; y < document->height; y++) {
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int white = 0;
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int x;
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write_color_16(color, fd, buf, &bptr);
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for (x = 0; x < document->data[y].length; x++) {
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unsigned char c;
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unsigned char attr = document->data[y].chars[x].attr;
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unsigned char color1 = document->data[y].chars[x].color[0];
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if (color != color1) {
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color = color1;
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if (write_color_16(color, fd, buf, &bptr))
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goto fail;
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}
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c = document->data[y].chars[x].data;
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if ((attr & SCREEN_ATTR_FRAME)
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&& c >= 176 && c < 224)
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c = frame_dumb[c - 176];
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if (c <= ' ') {
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/* Count spaces. */
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white++;
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continue;
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}
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/* Print spaces if any. */
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while (white) {
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if (write_char(' ', fd, buf, &bptr))
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goto fail;
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white--;
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}
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/* Print normal char. */
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if (write_char(c, fd, buf, &bptr))
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goto fail;
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}
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for (;x < width; x++) {
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if (write_char(' ', fd, buf, &bptr))
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goto fail;
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}
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/* Print end of line. */
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if (write_char('\n', fd, buf, &bptr))
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goto fail;
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}
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if (hard_write(fd, buf, bptr) != bptr) {
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fail:
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mem_free(buf);
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return -1;
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}
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if (document->nlinks && get_opt_bool("document.dump.references")) {
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int x;
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unsigned char *header = "\nReferences\n\n Visible links\n";
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int headlen = strlen(header);
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if (hard_write(fd, header, headlen) != headlen)
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goto fail;
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for (x = 0; x < document->nlinks; x++) {
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struct link *link = &document->links[x];
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unsigned char *where = link->where;
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if (!where) continue;
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if (document->options.links_numbering) {
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if (link->title && *link->title)
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snprintf(buf, D_BUF, "%4d. %s\n\t%s\n",
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x + 1, link->title, where);
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else
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snprintf(buf, D_BUF, "%4d. %s\n",
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x + 1, where);
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} else {
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if (link->title && *link->title)
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snprintf(buf, D_BUF, " . %s\n\t%s\n",
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link->title, where);
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else
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snprintf(buf, D_BUF, " . %s\n", where);
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}
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bptr = strlen(buf);
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if (hard_write(fd, buf, bptr) != bptr)
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goto fail;
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}
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}
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mem_free(buf);
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return 0;
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}
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#define DUMP_COLOR_MODE_16
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#include "dump-color-mode.h"
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#undef DUMP_COLOR_MODE_16
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/* configure --enable-debug uses gcc -Wall -Werror, and -Wall includes
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* -Wunused-function, so declaring or defining any unused function
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@ -595,119 +493,9 @@ write_color_256(unsigned char *str, unsigned char color, int fd, unsigned char *
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return 0;
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}
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static int
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dump_to_file_256(struct document *document, int fd)
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{
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int y;
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int bptr = 0;
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unsigned char *buf = mem_alloc(D_BUF);
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unsigned char foreground = 0;
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unsigned char background = 0;
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int width = get_opt_int("document.dump.width");
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if (!buf) return -1;
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for (y = 0; y < document->height; y++) {
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int white = 0;
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int x;
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write_color_256("38", foreground, fd, buf, &bptr);
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write_color_256("48", background, fd, buf, &bptr);
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for (x = 0; x < document->data[y].length; x++) {
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unsigned char c;
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unsigned char attr = document->data[y].chars[x].attr;
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unsigned char color1 = document->data[y].chars[x].color[0];
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unsigned char color2 = document->data[y].chars[x].color[1];
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if (foreground != color1) {
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foreground = color1;
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if (write_color_256("38", foreground, fd, buf, &bptr))
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goto fail;
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}
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if (background != color2) {
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background = color2;
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if (write_color_256("48", background, fd, buf, &bptr))
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goto fail;
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}
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c = document->data[y].chars[x].data;
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if ((attr & SCREEN_ATTR_FRAME)
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&& c >= 176 && c < 224)
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c = frame_dumb[c - 176];
|
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|
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if (c <= ' ') {
|
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/* Count spaces. */
|
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white++;
|
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continue;
|
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}
|
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|
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/* Print spaces if any. */
|
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while (white) {
|
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if (write_char(' ', fd, buf, &bptr))
|
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goto fail;
|
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white--;
|
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}
|
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|
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/* Print normal char. */
|
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if (write_char(c, fd, buf, &bptr))
|
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goto fail;
|
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}
|
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for (;x < width; x++) {
|
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if (write_char(' ', fd, buf, &bptr))
|
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goto fail;
|
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}
|
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|
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/* Print end of line. */
|
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if (write_char('\n', fd, buf, &bptr))
|
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goto fail;
|
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}
|
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|
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if (hard_write(fd, buf, bptr) != bptr) {
|
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fail:
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mem_free(buf);
|
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return -1;
|
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}
|
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|
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if (document->nlinks && get_opt_bool("document.dump.references")) {
|
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int x;
|
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unsigned char *header = "\nReferences\n\n Visible links\n";
|
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int headlen = strlen(header);
|
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|
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if (hard_write(fd, header, headlen) != headlen)
|
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goto fail;
|
||||
|
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for (x = 0; x < document->nlinks; x++) {
|
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struct link *link = &document->links[x];
|
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unsigned char *where = link->where;
|
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|
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if (!where) continue;
|
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|
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if (document->options.links_numbering) {
|
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if (link->title && *link->title)
|
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snprintf(buf, D_BUF, "%4d. %s\n\t%s\n",
|
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x + 1, link->title, where);
|
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else
|
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snprintf(buf, D_BUF, "%4d. %s\n",
|
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x + 1, where);
|
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} else {
|
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if (link->title && *link->title)
|
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snprintf(buf, D_BUF, " . %s\n\t%s\n",
|
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link->title, where);
|
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else
|
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snprintf(buf, D_BUF, " . %s\n", where);
|
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}
|
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|
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bptr = strlen(buf);
|
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if (hard_write(fd, buf, bptr) != bptr)
|
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goto fail;
|
||||
}
|
||||
}
|
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|
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mem_free(buf);
|
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return 0;
|
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}
|
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#define DUMP_COLOR_MODE_256
|
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#include "dump-color-mode.h"
|
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#undef DUMP_COLOR_MODE_256
|
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|
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#endif /* defined(CONFIG_88_COLORS) || defined(CONFIG_256_COLORS) */
|
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|
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@ -726,269 +514,12 @@ write_true_color(unsigned char *str, unsigned char *color, int fd, unsigned char
|
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return 0;
|
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}
|
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|
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static int
|
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dump_to_file_true_color(struct document *document, int fd)
|
||||
{
|
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static unsigned char color[6] = {255, 255, 255, 0, 0, 0};
|
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int y;
|
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int bptr = 0;
|
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unsigned char *buf = mem_alloc(D_BUF);
|
||||
unsigned char *foreground = &color[0];
|
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unsigned char *background = &color[3];
|
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int width = get_opt_int("document.dump.width");
|
||||
|
||||
if (!buf) return -1;
|
||||
|
||||
for (y = 0; y < document->height; y++) {
|
||||
int white = 0;
|
||||
int x;
|
||||
write_true_color("38", foreground, fd, buf, &bptr);
|
||||
write_true_color("48", background, fd, buf, &bptr);
|
||||
|
||||
for (x = 0; x < document->data[y].length; x++) {
|
||||
unsigned char c;
|
||||
unsigned char attr = document->data[y].chars[x].attr;
|
||||
unsigned char *new_foreground = &document->data[y].chars[x].color[0];
|
||||
unsigned char *new_background = &document->data[y].chars[x].color[3];
|
||||
|
||||
if (memcmp(foreground, new_foreground, 3)) {
|
||||
foreground = new_foreground;
|
||||
if (write_true_color("38", foreground, fd, buf, &bptr))
|
||||
goto fail;
|
||||
}
|
||||
|
||||
if (memcmp(background, new_background, 3)) {
|
||||
background = new_background;
|
||||
if (write_true_color("48", background, fd, buf, &bptr))
|
||||
goto fail;
|
||||
}
|
||||
|
||||
c = document->data[y].chars[x].data;
|
||||
|
||||
if ((attr & SCREEN_ATTR_FRAME)
|
||||
&& c >= 176 && c < 224)
|
||||
c = frame_dumb[c - 176];
|
||||
|
||||
if (c <= ' ') {
|
||||
/* Count spaces. */
|
||||
white++;
|
||||
continue;
|
||||
}
|
||||
|
||||
/* Print spaces if any. */
|
||||
while (white) {
|
||||
if (write_char(' ', fd, buf, &bptr))
|
||||
goto fail;
|
||||
white--;
|
||||
}
|
||||
|
||||
/* Print normal char. */
|
||||
if (write_char(c, fd, buf, &bptr))
|
||||
goto fail;
|
||||
}
|
||||
for (;x < width; x++) {
|
||||
if (write_char(' ', fd, buf, &bptr))
|
||||
goto fail;
|
||||
}
|
||||
|
||||
/* Print end of line. */
|
||||
if (write_char('\n', fd, buf, &bptr))
|
||||
goto fail;
|
||||
}
|
||||
|
||||
if (hard_write(fd, buf, bptr) != bptr) {
|
||||
fail:
|
||||
mem_free(buf);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (document->nlinks && get_opt_bool("document.dump.references")) {
|
||||
int x;
|
||||
unsigned char *header = "\nReferences\n\n Visible links\n";
|
||||
int headlen = strlen(header);
|
||||
|
||||
if (hard_write(fd, header, headlen) != headlen)
|
||||
goto fail;
|
||||
|
||||
for (x = 0; x < document->nlinks; x++) {
|
||||
struct link *link = &document->links[x];
|
||||
unsigned char *where = link->where;
|
||||
|
||||
if (!where) continue;
|
||||
|
||||
if (document->options.links_numbering) {
|
||||
if (link->title && *link->title)
|
||||
snprintf(buf, D_BUF, "%4d. %s\n\t%s\n",
|
||||
x + 1, link->title, where);
|
||||
else
|
||||
snprintf(buf, D_BUF, "%4d. %s\n",
|
||||
x + 1, where);
|
||||
} else {
|
||||
if (link->title && *link->title)
|
||||
snprintf(buf, D_BUF, " . %s\n\t%s\n",
|
||||
link->title, where);
|
||||
else
|
||||
snprintf(buf, D_BUF, " . %s\n", where);
|
||||
}
|
||||
|
||||
bptr = strlen(buf);
|
||||
if (hard_write(fd, buf, bptr) != bptr)
|
||||
goto fail;
|
||||
}
|
||||
}
|
||||
|
||||
mem_free(buf);
|
||||
return 0;
|
||||
}
|
||||
#define DUMP_COLOR_MODE_TRUE
|
||||
#include "dump-color-mode.h"
|
||||
#undef DUMP_COLOR_MODE_TRUE
|
||||
|
||||
#endif /* CONFIG_TRUE_COLOR */
|
||||
int
|
||||
dump_to_file(struct document *document, int fd)
|
||||
{
|
||||
int y;
|
||||
int bptr = 0;
|
||||
unsigned char *buf = mem_alloc(D_BUF);
|
||||
|
||||
if (!buf) return -1;
|
||||
|
||||
#ifdef CONFIG_UTF8
|
||||
if (is_cp_utf8(document->options.cp))
|
||||
goto utf8;
|
||||
#endif /* CONFIG_UTF8 */
|
||||
|
||||
for (y = 0; y < document->height; y++) {
|
||||
int white = 0;
|
||||
int x;
|
||||
|
||||
for (x = 0; x < document->data[y].length; x++) {
|
||||
unsigned char c;
|
||||
unsigned char attr = document->data[y].chars[x].attr;
|
||||
|
||||
c = document->data[y].chars[x].data;
|
||||
|
||||
if ((attr & SCREEN_ATTR_FRAME)
|
||||
&& c >= 176 && c < 224)
|
||||
c = frame_dumb[c - 176];
|
||||
|
||||
if (c <= ' ') {
|
||||
/* Count spaces. */
|
||||
white++;
|
||||
continue;
|
||||
}
|
||||
|
||||
/* Print spaces if any. */
|
||||
while (white) {
|
||||
if (write_char(' ', fd, buf, &bptr))
|
||||
goto fail;
|
||||
white--;
|
||||
}
|
||||
|
||||
/* Print normal char. */
|
||||
if (write_char(c, fd, buf, &bptr))
|
||||
goto fail;
|
||||
}
|
||||
|
||||
/* Print end of line. */
|
||||
if (write_char('\n', fd, buf, &bptr))
|
||||
goto fail;
|
||||
}
|
||||
#ifdef CONFIG_UTF8
|
||||
goto ref;
|
||||
utf8:
|
||||
for (y = 0; y < document->height; y++) {
|
||||
int white = 0;
|
||||
int x;
|
||||
|
||||
for (x = 0; x < document->data[y].length; x++) {
|
||||
unicode_val_T c;
|
||||
unsigned char attr = document->data[y].chars[x].attr;
|
||||
|
||||
c = document->data[y].chars[x].data;
|
||||
|
||||
if ((attr & SCREEN_ATTR_FRAME)
|
||||
&& c >= 176 && c < 224)
|
||||
c = frame_dumb[c - 176];
|
||||
else {
|
||||
unsigned char *utf8_buf = encode_utf8(c);
|
||||
|
||||
while (*utf8_buf) {
|
||||
if (write_char(*utf8_buf++,
|
||||
fd, buf, &bptr)) goto fail;
|
||||
}
|
||||
|
||||
x += unicode_to_cell(c) - 1;
|
||||
|
||||
continue;
|
||||
}
|
||||
|
||||
if (c <= ' ') {
|
||||
/* Count spaces. */
|
||||
white++;
|
||||
continue;
|
||||
}
|
||||
|
||||
/* Print spaces if any. */
|
||||
while (white) {
|
||||
if (write_char(' ', fd, buf, &bptr))
|
||||
goto fail;
|
||||
white--;
|
||||
}
|
||||
|
||||
/* Print normal char. */
|
||||
if (write_char(c, fd, buf, &bptr))
|
||||
goto fail;
|
||||
}
|
||||
|
||||
/* Print end of line. */
|
||||
if (write_char('\n', fd, buf, &bptr))
|
||||
goto fail;
|
||||
}
|
||||
ref:
|
||||
#endif /* CONFIG_UTF8 */
|
||||
|
||||
if (hard_write(fd, buf, bptr) != bptr) {
|
||||
fail:
|
||||
mem_free(buf);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (document->nlinks && get_opt_bool("document.dump.references")) {
|
||||
int x;
|
||||
unsigned char *header = "\nReferences\n\n Visible links\n";
|
||||
int headlen = strlen(header);
|
||||
|
||||
if (hard_write(fd, header, headlen) != headlen)
|
||||
goto fail;
|
||||
|
||||
for (x = 0; x < document->nlinks; x++) {
|
||||
struct link *link = &document->links[x];
|
||||
unsigned char *where = link->where;
|
||||
|
||||
if (!where) continue;
|
||||
|
||||
if (document->options.links_numbering) {
|
||||
if (link->title && *link->title)
|
||||
snprintf(buf, D_BUF, "%4d. %s\n\t%s\n",
|
||||
x + 1, link->title, where);
|
||||
else
|
||||
snprintf(buf, D_BUF, "%4d. %s\n",
|
||||
x + 1, where);
|
||||
} else {
|
||||
if (link->title && *link->title)
|
||||
snprintf(buf, D_BUF, " . %s\n\t%s\n",
|
||||
link->title, where);
|
||||
else
|
||||
snprintf(buf, D_BUF, " . %s\n", where);
|
||||
}
|
||||
|
||||
bptr = strlen(buf);
|
||||
if (hard_write(fd, buf, bptr) != bptr)
|
||||
goto fail;
|
||||
}
|
||||
}
|
||||
|
||||
mem_free(buf);
|
||||
return 0;
|
||||
}
|
||||
#include "dump-color-mode.h"
|
||||
|
||||
#undef D_BUF
|
||||
|
||||
Loading…
Reference in New Issue
Block a user