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odt.c
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odt.c
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/*
* Copyright (c) 2021 Kristaps Dzonsons <[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "config.h"
#if HAVE_SYS_QUEUE
# include <sys/queue.h>
#endif
#include <assert.h>
#include <ctype.h>
#include <inttypes.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "lowdown.h"
#include "extern.h"
/*
* Maximum length of any style. This should account for fixed prefix
* text (e.g., "Frame" at longest) then an incrementing size_t.
*/
#define STYLE_NAME_LEN 32
/*
* Default size for a blockquote (paragraph indent).
*/
static const float TAB_LEN = 1.25;
/*
* Default size for a list indent. Lists are first indented by the
* number of tabs (starting at zero), then giving a full list indent,
* then each sub-list gets half again this.
*/
static const float LIST_LEN = 1.27;
/*
* A style in <office-automatic-styles>.
*/
struct odt_sty {
char name[STYLE_NAME_LEN]; /* name */
size_t offs; /* offset ("tabs") from zero */
size_t parent; /* parent or (size_t)-1*/
enum lowdown_rndrt type; /* specific type of style */
int foot; /* in a footnote */
int fmt; /* general type of style */
#define ODT_STY_TEXT 1 /* text (inline) */
#define ODT_STY_PARA 2 /* paragraph */
#define ODT_STY_UL 3 /* unordered list */
#define ODT_STY_OL 4 /* ordered list */
#define ODT_STY_H1 5 /* h1 heading */
#define ODT_STY_H2 6 /* h2 heading */
#define ODT_STY_H3 7 /* h3 heading */
#define ODT_STY_TBL 8 /* table */
#define ODT_STY_TBL_PARA 9 /* table contents */
#define ODT_STY_LIT 10 /* literal */
};
/*
* A change. I'm not sure we'll need anything but "ins", so this could
* just be an array of int, but whatever.
*/
struct odt_chng {
int ins; /* inserted vs deleted */
};
/*
* Our internal state object. Beyond retaining our flags, this also
* keeps output state in terms of the styles that need printing.
*/
struct odt {
struct hentryq headers_used; /* headers we've seen */
ssize_t headers_offs; /* header offset */
unsigned int flags; /* "oflags" in lowdown_opts */
struct odt_sty *stys; /* styles for content */
size_t stysz; /* number of styles */
size_t sty_T; /* "T" styles */
size_t sty_Table; /* "Table" styles */
size_t sty_L; /* "L" styles */
size_t sty_P; /* "P" styles */
size_t offs; /* offs or (size_t)-1 in list */
size_t list; /* root list style or (size_t)-1 */
int foot; /* in footnote or not */
size_t footcount; /* footnote */
struct odt_chng *chngs; /* changes in content */
size_t chngsz; /* number of changes */
char *sty; /* external styles or NULL */
};
static int rndr(struct lowdown_buf *,
struct lowdown_metaq *, void *, const struct lowdown_node *);
/*
* Append a new zeroed style with an unset parent. Return NULL on
* memory failure or the new style.
*/
static struct odt_sty *
odt_style_add(struct odt *st)
{
void *pp;
pp = reallocarray(st->stys,
st->stysz + 1, sizeof(struct odt_sty));
if (pp == NULL)
return NULL;
st->stys = pp;
memset(&st->stys[st->stysz], 0, sizeof(struct odt_sty));
st->stys[st->stysz].parent = (size_t)-1;
return &st->stys[st->stysz++];
}
/*
* Create or fetch an inline style corresponding to the node type.
* Return NULL on error or the style name on success.
*/
static const char *
odt_style_add_text(struct odt *st, enum lowdown_rndrt type)
{
size_t i;
struct odt_sty *s;
for (i = 0; i < st->stysz; i++)
if (st->stys[i].type == type) {
assert(st->stys[i].fmt == ODT_STY_TEXT);
return st->stys[i].name;
}
if ((s = odt_style_add(st)) == NULL)
return NULL;
s->fmt = ODT_STY_TEXT;
s->type = type;
snprintf(s->name, sizeof(s->name), "T%zu", st->sty_T++);
return s->name;
}
/*
* Flush out all of the styles and automatic styles. Return FALSE on
* failure, TRUE on success.
*/
static int
odt_sty_flush(struct lowdown_buf *ob,
const struct odt *st, const struct odt_sty *sty)
{
size_t i;
/*
* Lists and non-lists have a different XML element name, and
* non-lists designate whether in-line or paragraphs.
*/
if (sty->type == LOWDOWN_LIST &&
!HBUF_PUTSL(ob, "<text:list-style"))
return 0;
if (sty->type != LOWDOWN_LIST &&
!HBUF_PUTSL(ob, "<style:style"))
return 0;
switch (sty->fmt) {
case ODT_STY_TEXT:
if (!HBUF_PUTSL(ob, " style:family=\"text\""))
return 0;
break;
case ODT_STY_TBL_PARA:
case ODT_STY_PARA:
case ODT_STY_LIT:
case ODT_STY_H1:
case ODT_STY_H2:
case ODT_STY_H3:
if (!HBUF_PUTSL(ob, " style:family=\"paragraph\""))
return 0;
break;
case ODT_STY_TBL:
if (!HBUF_PUTSL(ob, " style:family=\"table\""))
return 0;
break;
}
if (!hbuf_printf(ob, " style:name=\"%s\"", sty->name))
return 0;
/*
* Paragraphs in lists need to link to the list, then set some
* other crap found in libreoffice output.
*/
switch (sty->fmt) {
case ODT_STY_LIT:
if (!HBUF_PUTSL(ob,
" style:parent-style-name=\"Preformatted_20_Text\""))
return 0;
break;
case ODT_STY_PARA:
if (!sty->foot && !HBUF_PUTSL(ob,
" style:parent-style-name=\"Standard\""))
return 0;
if (sty->foot && !HBUF_PUTSL(ob,
" style:parent-style-name=\"Footnote\""))
return 0;
if (sty->parent != (size_t)-1 && !hbuf_printf(ob,
" style:list-style-name=\"%s\"",
st->stys[sty->parent].name))
return 0;
break;
case ODT_STY_TBL_PARA:
if (sty->foot && !HBUF_PUTSL(ob,
" style:parent-style-name=\"Footnote\""))
return 0;
if (!sty->foot && !HBUF_PUTSL(ob,
" style:parent-style-name=\"Table_20_Contents\""))
return 0;
break;
case ODT_STY_H1:
if (!HBUF_PUTSL(ob,
" style:parent-style-name=\"Heading_20_1\""))
return 0;
break;
case ODT_STY_H2:
if (!HBUF_PUTSL(ob,
" style:parent-style-name=\"Heading_20_2\""))
return 0;
break;
case ODT_STY_H3:
if (!HBUF_PUTSL(ob,
" style:parent-style-name=\"Heading_20_3\""))
return 0;
break;
default:
break;
}
if (!HBUF_PUTSL(ob, ">\n"))
return 0;
/*
* I'm not sure what in this is necessary and what isn't yet.
* The template followed is from libreoffice output.
*/
switch (sty->type) {
case LOWDOWN_TABLE_BLOCK:
if (!hbuf_printf(ob,
"<style:table-properties"
" fo:margin-left=\"%.3fcm\""
" fo:margin-right=\"0cm\""
" table:align=\"margins\"/>\n",
sty->offs * TAB_LEN))
return 0;
break;
case LOWDOWN_HEADER:
break;
case LOWDOWN_PARAGRAPH:
if (sty->offs == 0)
break;
if (!hbuf_printf(ob,
"<style:paragraph-properties"
" fo:margin-left=\"%.3fcm\""
" fo:margin-right=\"0cm\""
" fo:text-indent=\"0cm\""
" style:auto-text-indent=\"false\"/>\n",
sty->offs * TAB_LEN))
return 0;
break;
case LOWDOWN_LIST:
for (i = 0; i < 10; i++) {
if (sty->fmt == ODT_STY_OL && !hbuf_printf(ob,
"<text:list-level-style-number"
" text:level=\"%zu\""
" text:style-name=\"Numbering_20_Symbols\""
" style:num-suffix=\".\""
" style:num-format=\"1\">\n"
"<style:list-level-properties"
" text:list-level-position-and-space-mode="
"\"label-alignment\">\n"
"<style:list-level-label-alignment"
" text:label-followed-by=\"listtab\""
" text:list-tab-stop-position=\"%.3fcm\""
" fo:text-indent=\"-0.635cm\""
" fo:margin-left=\"%.3fcm\"/>\n"
"</style:list-level-properties>\n"
"</text:list-level-style-number>\n",
i + 1,
(TAB_LEN * sty->offs) + LIST_LEN +
((LIST_LEN / 2.0) * i),
(TAB_LEN * sty->offs) + LIST_LEN +
((LIST_LEN / 2.0) * i)))
return 0;
if (sty->fmt == ODT_STY_UL && !hbuf_printf(ob,
"<text:list-level-style-bullet"
" text:level=\"%zu\""
" text:style-name=\"Bullet_20_Symbols\""
" text:bullet-char=\"•\">\n"
"<style:list-level-properties"
" text:list-level-position-and-space-mode="
"\"label-alignment\">\n"
"<style:list-level-label-alignment"
" text:label-followed-by=\"listtab\""
" text:list-tab-stop-position=\"%.3fcm\""
" fo:text-indent=\"-0.635cm\""
" fo:margin-left=\"%.3fcm\"/>\n"
"</style:list-level-properties>\n"
"</text:list-level-style-bullet>\n",
i + 1,
(TAB_LEN * sty->offs) + LIST_LEN +
((LIST_LEN / 2.0) * i),
(TAB_LEN * sty->offs) + LIST_LEN +
((LIST_LEN / 2.0) * i)))
return 0;
}
break;
case LOWDOWN_SUPERSCRIPT:
if (!HBUF_PUTSL(ob,
"<style:text-properties"
" style:text-position=\"super 58%\"/>\n"))
return 0;
break;
case LOWDOWN_TRIPLE_EMPHASIS:
if (!HBUF_PUTSL(ob,
"<style:text-properties"
" fo:font-style=\"italic\""
" style:font-style-asian=\"italic\""
" style:font-style-complex=\"italic\""
" fo:font-weight=\"bold\""
" style:font-weight-asian=\"bold\""
" style:font-weight-complex=\"bold\"/>\n"))
return 0;
break;
case LOWDOWN_DOUBLE_EMPHASIS:
if (!HBUF_PUTSL(ob,
"<style:text-properties"
" fo:font-weight=\"bold\""
" style:font-weight-asian=\"bold\""
" style:font-weight-complex=\"bold\"/>\n"))
return 0;
break;
case LOWDOWN_EMPHASIS:
if (!HBUF_PUTSL(ob,
"<style:text-properties"
" fo:font-style=\"italic\""
" style:font-style-asian=\"italic\""
" style:font-style-complex=\"italic\"/>\n"))
return 0;
break;
case LOWDOWN_STRIKETHROUGH:
if (!HBUF_PUTSL(ob,
"<style:text-properties"
" style:text-line-through-style=\"solid\""
" style:text-line-through-type=\"single\"/>\n"))
return 0;
break;
case LOWDOWN_HIGHLIGHT:
if (!HBUF_PUTSL(ob,
"<style:text-properties"
" style:text-underline-style=\"solid\""
" style:text-underline-color=\"font-color\""
" style:text-underline-width=\"auto\"/>\n"))
return 0;
break;
default:
abort();
/* NOTREACHED */
}
if (sty->type == LOWDOWN_LIST &&
!HBUF_PUTSL(ob, "</text:list-style>\n"))
return 0;
if (sty->type != LOWDOWN_LIST &&
!HBUF_PUTSL(ob, "</style:style>\n"))
return 0;
return 1;
}
/*
* Flush out the "fixed" styles we need for standalone mode.
* XXX: it's possible to put a lot of this into a separate file,
* somehow, but that's a matter for the future. Return FALSE on
* failure, TRUE on success.
*/
static int
odt_styles_flush_fixed(struct lowdown_buf *ob, const struct odt *st)
{
if (st->sty != NULL)
return hbuf_puts(ob, st->sty);
if (!HBUF_PUTSL(ob,
"<office:font-face-decls>\n"
"<style:font-face style:name=\"OpenSymbol\""
" svg:font-family=\"OpenSymbol\""
" style:font-charset=\"x-symbol\"/>\n"
"<style:font-face style:name=\"Liberation Mono\""
" svg:font-family=\"'Liberation Mono'\""
" style:font-family-generic=\"modern\""
" style:font-pitch=\"fixed\"/>\n"
"<style:font-face style:name=\"Liberation Serif\""
" svg:font-family=\"'Liberation Serif'\""
" style:font-family-generic=\"roman\""
" style:font-pitch=\"variable\"/>\n"
"<style:font-face style:name=\"Liberation Sans\""
" svg:font-family=\"'Liberation Sans'\""
" style:font-family-generic=\"swiss\""
" style:font-pitch=\"variable\"/>\n"
"</office:font-face-decls>\n"))
return 0;
/*
* This doesn't appear to make a difference if it's specified or
* not, but I'm adding it because libreoffice does.
*/
if (!HBUF_PUTSL(ob,
"<office:scripts>\n"
" <office:script script:language=\"ooo:Basic\">\n"
" <ooo:libraries xmlns:ooo=\"http://openoffice.org/2004/office\""
" xmlns:xlink=\"http://www.w3.org/1999/xlink\"/>\n"
" </office:script>\n"
"</office:scripts>\n"))
return 0;
if (!HBUF_PUTSL(ob, "<office:styles>\n"))
return 0;
/* Baseline. */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:name=\"Standard\""
" style:family=\"paragraph\""
" style:class=\"text\"/>\n"))
return 0;
/* Text within block. */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:name=\"Text_20_body\""
" style:display-name=\"Text body\""
" style:family=\"paragraph\""
" style:parent-style-name=\"Standard\""
" style:class=\"text\">\n"
"<style:paragraph-properties"
" fo:margin-top=\"0cm\""
" fo:margin-bottom=\"0.247cm\""
" style:contextual-spacing=\"false\""
" fo:line-height=\"115%\"/>\n"
"</style:style>\n"))
return 0;
/* Horizontal line. */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:family=\"paragraph\""
" style:name=\"Horizontal_20_Line\""
" style:parent-style-name=\"Standard\""
" style:display-name=\"Horizontal Line\""
" style:next-style-name=\"Text_20_body\""
" style:class=\"html\">\n"
"<style:paragraph-properties"
" fo:margin-top=\"0cm\""
" fo:margin-bottom=\"0.499cm\""
" style:contextual-spacing=\"false\""
" style:border-line-width-bottom=\"0.002cm 0.004cm 0.002cm\""
" fo:padding=\"0cm\""
" fo:border-left=\"none\""
" fo:border-right=\"none\""
" fo:border-top=\"none\""
" fo:border-bottom=\"0.14pt double #808080\""
" text:number-lines=\"false\""
" text:line-number=\"0\""
" style:join-border=\"false\"/>\n"
"<style:text-properties"
" fo:font-size=\"6pt\""
" style:font-size-asian=\"6pt\""
" style:font-size-complex=\"6pt\"/>\n"
"</style:style>\n"))
return 0;
/* Images. */
if (!HBUF_PUTSL(ob,
"<style:style style:name=\"Graphics\" style:family=\"graphic\">\n"
"<style:graphic-properties"
" text:anchor-type=\"paragraph\""
" svg:x=\"0cm\" svg:y=\"0cm\""
" style:wrap=\"dynamic\""
" style:number-wrapped-paragraphs=\"no-limit\""
" style:wrap-contour=\"false\""
" draw:auto-grow-height=\"true\""
" draw:auto-grow-width=\"true\""
" style:vertical-pos=\"top\""
" style:vertical-rel=\"paragraph\""
" style:horizontal-pos=\"center\""
" style:horizontal-rel=\"paragraph\"/>"
"</style:style>"))
return 0;
/* Internet link. */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:family=\"text\""
" style:name=\"Internet_20_Link\""
" style:display-name=\"Internet Link\">\n"
"<style:text-properties"
" fo:color=\"#000080\""
" loext:opacity=\"100%\""
" fo:language=\"zxx\""
" fo:country=\"none\""
" style:language-asian=\"zxx\""
" style:country-asian=\"none\""
" style:language-complex=\"zxx\""
" style:country-complex=\"none\""
" style:text-underline-style=\"solid\""
" style:text-underline-color=\"font-color\""
" style:text-underline-width=\"auto\"/>\n"
"</style:style>\n"))
return 0;
/* Source (preformatted) code. */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:family=\"text\""
" style:name=\"Source_20_Text\""
" style:display-name=\"Source Text\">\n"
"<style:text-properties"
" style:font-name=\"Liberation Mono\""
" fo:font-family=\"'Liberation Mono'\""
" style:font-family-generic=\"modern\""
" style:font-pitch=\"fixed\""
" style:font-name-asian=\"Liberation Mono\""
" style:font-family-asian="
"\"'Liberation Mono'\""
" style:font-family-generic-asian=\"modern\""
" style:font-pitch-asian=\"fixed\""
" style:font-name-complex=\"Liberation Mono\""
" style:font-family-complex="
"\"'Liberation Mono'\""
" style:font-family-generic-complex=\"modern\""
" style:font-pitch-complex=\"fixed\"/>\n"
"</style:style>\n"))
return 0;
/* Frame (tables). */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:name=\"Frame\""
" style:family=\"graphic\">\n"
"<style:graphic-properties"
" text:anchor-type=\"as-char\""
" svg:x=\"0cm\""
" svg:y=\"0cm\""
" fo:margin-left=\"0cm\""
" fo:margin-right=\"0cm\""
" fo:margin-top=\"0.201cm\""
" fo:margin-bottom=\"0.201cm\""
" style:wrap=\"parallel\""
" style:number-wrapped-paragraphs=\"no-limit\""
" style:wrap-contour=\"false\""
" style:vertical-pos=\"top\""
" style:vertical-rel=\"paragraph-content\""
" style:horizontal-pos=\"center\""
" style:horizontal-rel=\"paragraph-content\""
" fo:padding=\"0cm\""
" fo:border=\"0pt solid #000000\"/>\n"
"</style:style>\n"))
return 0;
/* Preformatted text. */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:name=\"Preformatted_20_Text\""
" style:display-name=\"Preformatted Text\""
" style:family=\"paragraph\""
" style:parent-style-name=\"Standard\""
" style:class=\"html\">\n"
"<style:paragraph-properties"
" fo:margin-top=\"0cm\""
" fo:margin-bottom=\"0cm\""
" style:contextual-spacing=\"false\"/>\n"
"<style:text-properties"
" style:font-name=\"Liberation Mono\""
" fo:font-family=\"'Liberation Mono'\""
" style:font-family-generic=\"modern\""
" style:font-pitch=\"fixed\""
" fo:font-size=\"10pt\""
" style:font-name-asian=\"Liberation Mono\""
" style:font-family-asian=\"'Liberation Mono'\""
" style:font-family-generic-asian=\"modern\""
" style:font-pitch-asian=\"fixed\""
" style:font-size-asian=\"10pt\""
" style:font-name-complex=\"Liberation Mono\""
" style:font-family-complex=\"'Liberation Mono'\""
" style:font-family-generic-complex=\"modern\""
" style:font-pitch-complex=\"fixed\""
" style:font-size-complex=\"10pt\"/>\n"
"</style:style>\n"))
return 0;
/* Table contents. */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:name=\"Table_20_Contents\""
" style:display-name=\"Table Contents\""
" style:family=\"paragraph\""
" style:parent-style-name=\"Standard\""
" style:class=\"extra\">\n"
"<style:paragraph-properties"
" fo:orphans=\"0\""
" fo:widows=\"0\""
" text:number-lines=\"false\""
" text:line-number=\"0\"/>\n"
"</style:style>\n"))
return 0;
/* Headings. */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:name=\"Heading\""
" style:family=\"paragraph\""
" style:parent-style-name=\"Standard\""
" style:class=\"text\">\n"
"<style:paragraph-properties"
" fo:margin-top=\"0.423cm\""
" fo:margin-bottom=\"0.212cm\""
" style:contextual-spacing=\"false\""
" fo:keep-with-next=\"always\"/>\n"
"<style:text-properties"
" style:font-name=\"Liberation Sans\""
" fo:font-family=\"'Liberation Sans'\""
" style:font-family-generic=\"swiss\""
" style:font-pitch=\"variable\""
" fo:font-size=\"14pt\""
" style:font-name-asian=\"Liberation Sans\""
" style:font-family-asian=\"'Liberation Sans'\""
" style:font-family-generic-asian=\"system\""
" style:font-pitch-asian=\"variable\""
" style:font-size-asian=\"14pt\""
" style:font-name-complex=\"Liberation Sans\""
" style:font-family-complex=\"'Liberation Sans'\""
" style:font-family-generic-complex=\"system\""
" style:font-pitch-complex=\"variable\""
" style:font-size-complex=\"14pt\"/>\n"
"</style:style>\n"))
return 0;
/* Unordered list. */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:name=\"Bullet_20_Symbols\""
" style:display-name=\"Bullet Symbols\""
" style:family=\"text\">\n"
"<style:text-properties"
" style:font-name=\"OpenSymbol\""
" fo:font-family=\"OpenSymbol\""
" style:font-charset=\"x-symbol\""
" style:font-name-asian=\"OpenSymbol\""
" style:font-family-asian=\"OpenSymbol\""
" style:font-charset-asian=\"x-symbol\""
" style:font-name-complex=\"OpenSymbol\""
" style:font-family-complex=\"OpenSymbol\""
" style:font-charset-complex=\"x-symbol\"/>\n"
"</style:style>\n"))
return 0;
/* Ordered list. */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:name=\"Numbering_20_Symbols\""
" style:display-name=\"Numbering Symbols\""
" style:family=\"text\"/>\n"))
return 0;
/* Headers. */
if (!HBUF_PUTSL(ob,
"<style:style"
" style:name=\"Heading_20_1\""
" style:display-name=\"Heading 1\""
" style:family=\"paragraph\""
" style:parent-style-name=\"Heading\""
" style:next-style-name=\"Text_20_body\""
" style:default-outline-level=\"1\""
" style:class=\"text\">\n"
"<style:paragraph-properties"
" fo:margin-top=\"0.423cm\""
" fo:margin-bottom=\"0.212cm\""
" style:contextual-spacing=\"false\"/>\n"
"<style:text-properties"
" fo:font-size=\"130%\""
" fo:font-weight=\"bold\""
" style:font-size-asian=\"130%\""
" style:font-weight-asian=\"bold\""
" style:font-size-complex=\"130%\""
" style:font-weight-complex=\"bold\"/>\n"
"</style:style>\n"))
return 0;
if (!HBUF_PUTSL(ob,
"<style:style"
" style:name=\"Heading_20_2\""
" style:display-name=\"Heading 2\""
" style:family=\"paragraph\""
" style:parent-style-name=\"Heading\""
" style:next-style-name=\"Text_20_body\""
" style:default-outline-level=\"2\""
" style:class=\"text\">\n"
"<style:paragraph-properties"
" fo:margin-top=\"0.353cm\""
" fo:margin-bottom=\"0.212cm\""
" style:contextual-spacing=\"false\"/>\n"
"<style:text-properties"
" fo:font-size=\"115%\""
" fo:font-weight=\"bold\""
" style:font-size-asian=\"115%\""
" style:font-weight-asian=\"bold\""
" style:font-size-complex=\"115%\""
" style:font-weight-complex=\"bold\"/>\n"
"</style:style>\n"))
return 0;
if (!HBUF_PUTSL(ob,
"<style:style"
" style:name=\"Heading_20_3\""
" style:display-name=\"Heading 3\""
" style:family=\"paragraph\""
" style:parent-style-name=\"Heading\""
" style:next-style-name=\"Text_20_body\""
" style:default-outline-level=\"3\""
" style:class=\"text\">\n"
"<style:paragraph-properties"
" fo:margin-top=\"0.247cm\""
" fo:margin-bottom=\"0.212cm\""
" style:contextual-spacing=\"false\"/>\n"
"<style:text-properties"
" fo:font-size=\"101%\""
" fo:font-weight=\"bold\""
" style:font-size-asian=\"101%\""
" style:font-weight-asian=\"bold\""
" style:font-size-complex=\"101%\""
" style:font-weight-complex=\"bold\"/>\n"
"</style:style>\n"))
return 0;
/* Table frames. */
if (!HBUF_PUTSL(ob,
"<style:style style:name=\"fr1\""
" style:family=\"graphic\""
" style:parent-style-name=\"Frame\">\n"
"<style:graphic-properties"
" style:run-through=\"foreground\""
" style:wrap=\"parallel\""
" style:number-wrapped-paragraphs=\"no-limit\""
" style:vertical-pos=\"middle\""
" style:vertical-rel=\"baseline\""
" style:horizontal-pos=\"center\""
" style:horizontal-rel=\"paragraph\"/>\n"
" </style:style>\n"))
return 0;
return HBUF_PUTSL(ob, "</office:styles>\n");
}
/*
* Flush out the elements for scripts and styles. Return FALSE on
* failure, TRUE on success.
*/
static int
odt_styles_flush(struct lowdown_buf *ob, const struct odt *st)
{
size_t i;
if ((st->flags & LOWDOWN_STANDALONE) &&
!odt_styles_flush_fixed(ob, st))
return 0;
if (!HBUF_PUTSL(ob, "<office:automatic-styles>\n"))
return 0;
for (i = 0; i < st->stysz; i++)
if (!odt_sty_flush(ob, st, &st->stys[i]))
return 0;
/*
* I'm not sure why the page layout goes into the automatic
* styles and not the fixed styles, but if placed in fixed
* styles, this isn't processed.
*/
if (!HBUF_PUTSL(ob,
"<style:page-layout style:name=\"pm1\">\n"
"<style:page-layout-properties"
" fo:page-width=\"21.001cm\""
" fo:page-height=\"29.7cm\""
" style:num-format=\"1\""
" style:print-orientation=\"portrait\""
" fo:margin-top=\"2cm\""
" fo:margin-bottom=\"2cm\""
" fo:margin-left=\"2cm\""
" fo:margin-right=\"2cm\""
" style:writing-mode=\"lr-tb\""
" style:footnote-max-height=\"0cm\">\n"
"</style:page-layout-properties>\n"
"</style:page-layout>\n"))
return 0;
if (!HBUF_PUTSL(ob, "</office:automatic-styles>\n"))
return 0;
/*
* Since this references an automatic style (pm1), emit this
* regardless of whether we're in standalone or not.
*/
return HBUF_PUTSL(ob,
"<office:master-styles>\n"
"<style:master-page "
" style:name=\"Standard\""
" style:page-layout-name=\"pm1\"/>\n"
"</office:master-styles>\n");
}
/*
* Use our metadata to grab change identifiers. Return FALSE on
* failure, TRUE on success.
*/
static int
odt_changes_flush(struct lowdown_buf *ob,
const struct lowdown_metaq *mq,
const struct odt *st)
{
const struct lowdown_meta *m;
const char *author = NULL, *date = NULL,
*rcsauthor = NULL, *rcsdate = NULL;
char buf[64];
size_t i;
time_t t = time(NULL);
if (st->chngsz == 0)
return 1;
TAILQ_FOREACH(m, mq, entries)
if (strcasecmp(m->key, "author") == 0)
author = m->value;
else if (strcasecmp(m->key, "date") == 0)
date = m->value;
else if (strcasecmp(m->key, "rcsauthor") == 0)
rcsauthor = rcsauthor2str(m->value);
else if (strcasecmp(m->key, "rcsdate") == 0)
rcsdate = rcsdate2str(m->value);
/* Overrides. */
if (rcsdate != NULL)
date = rcsdate;
if (rcsauthor != NULL)
author = rcsauthor;
/* We require at least a date. */
if (date == NULL) {
if (strftime(buf, sizeof(buf),
"%Y-%m-%dT%H:%M:%S", localtime(&t)) == 0)
date = "1970-01-01";
else
date = buf;
}
if (!HBUF_PUTSL(ob,
"<text:tracked-changes"
" text:track-changes=\"false\">\n"))
return 0;
for (i = 0; i < st->chngsz; i++) {
if (!hbuf_printf(ob,
"<text:changed-region"
" xml:id=\"ct%zu\""
" text:id=\"ct%zu\">\n"
"<text:%s>\n"
"<office:change-info>\n", i, i,
st->chngs[i].ins ? "insertion" : "deletion"))
return 0;
if (author != NULL) {
if (!HBUF_PUTSL(ob, "<dc:creator>"))
return 0;
if (!hesc_html(ob, author,
strlen(author), 1, 0, 1))
return 0;
if (!HBUF_PUTSL(ob, "</dc:creator>\n"))
return 0;
}
if (!HBUF_PUTSL(ob, "<dc:date>"))
return 0;
if (!hesc_html(ob, date, strlen(date), 1, 0, 1))
return 0;
if (!HBUF_PUTSL(ob, "</dc:date>\n"))
return 0;
if (!hbuf_printf(ob,
"</office:change-info>\n"
"</text:%s>\n"
"</text:changed-region>\n",
st->chngs[i].ins ? "insertion" : "deletion"))
return 0;
}
return HBUF_PUTSL(ob, "</text:tracked-changes>\n");
}
/*
* Flush out the <office:meta> element, if applicable. Return FALSE on
* failure, TRUE on success.
*/
static int
odt_metaq_flush(struct lowdown_buf *ob,
const struct lowdown_metaq *mq,
const struct odt *st)
{
const struct lowdown_meta *m;
const char *author = NULL, *title = NULL,
*date = NULL, *rcsauthor = NULL,
*rcsdate = NULL;
if (mq == NULL || TAILQ_EMPTY(mq))
return 1;
TAILQ_FOREACH(m, mq, entries)
if (strcasecmp(m->key, "author") == 0)
author = m->value;
else if (strcasecmp(m->key, "date") == 0)
date = m->value;
else if (strcasecmp(m->key, "rcsauthor") == 0)
rcsauthor = rcsauthor2str(m->value);
else if (strcasecmp(m->key, "rcsdate") == 0)
rcsdate = rcsdate2str(m->value);
else if (strcasecmp(m->key, "title") == 0)
title = m->value;
/* Overrides. */
if (title == NULL)
title = "Untitled article";
if (rcsdate != NULL)
date = rcsdate;
if (rcsauthor != NULL)
author = rcsauthor;
if (!HBUF_PUTSL(ob, "<office:meta>\n"))
return 0;
if (!HBUF_PUTSL(ob, "<dc:title>"))
return 0;
if (!hesc_html(ob, title, strlen(title), 1, 0, 1))
return 0;
if (!HBUF_PUTSL(ob, "</dc:title>\n"))
return 0;
if (author != NULL) {
if (!HBUF_PUTSL(ob, "<dc:creator>"))
return 0;
if (!hesc_html(ob, author, strlen(author), 1, 0, 1))
return 0;
if (!HBUF_PUTSL(ob, "</dc:creator>\n"))
return 0;
if (!HBUF_PUTSL(ob, "<meta:initial-creator>"))
return 0;
if (!hesc_html(ob, author, strlen(author), 1, 0, 1))
return 0;
if (!HBUF_PUTSL(ob, "</meta:initial-creator>\n"))
return 0;
}
if (date != NULL) {
if (!HBUF_PUTSL(ob, "<dc:date>"))
return 0;
if (!hesc_html(ob, date, strlen(date), 1, 0, 1))
return 0;
if (!HBUF_PUTSL(ob, "</dc:date>\n"))
return 0;
if (!HBUF_PUTSL(ob, "<meta:creation-date>"))
return 0;