static fz_outline *
epub_parse_ncx_imp(fz_context *ctx, epub_document *doc, fz_xml *node, char *base_uri)
{
char path[2048];
fz_outline *outline, *head, **tailp;
head = NULL;
tailp = &head;
node = fz_xml_find_down(node, "navPoint");
while (node)
{
char *text = fz_xml_text(fz_xml_down(fz_xml_find_down(fz_xml_find_down(node, "navLabel"), "text")));
char *content = fz_xml_att(fz_xml_find_down(node, "content"), "src");
if (text && content)
{
fz_strlcpy(path, base_uri, sizeof path);
fz_strlcat(path, "/", sizeof path);
fz_strlcat(path, content, sizeof path);
fz_urldecode(path);
fz_cleanname(path);
*tailp = outline = fz_new_outline(ctx);
tailp = &(*tailp)->next;
outline->title = fz_strdup(ctx, text);
outline->uri = fz_strdup(ctx, path);
outline->page = -1;
outline->down = epub_parse_ncx_imp(ctx, doc, node, base_uri);
}
node = fz_xml_find_next(node, "navPoint");
}
return head;
}
static char *
find_metadata(fz_context *ctx, fz_xml *metadata, char *key)
{
char *text = fz_xml_text(fz_xml_down(fz_xml_find_down(metadata, key)));
if (text)
return fz_strdup(ctx, text);
return NULL;
}
static char *concat_text(fz_context *ctx, fz_xml *root)
{
fz_xml *node;
int i = 0, n = 1;
char *s;
for (node = fz_xml_down(root); node; node = fz_xml_next(node))
{
const char *text = fz_xml_text(node);
n += text ? strlen(text) : 0;
}
s = fz_malloc(ctx, n);
for (node = fz_xml_down(root); node; node = fz_xml_next(node))
{
const char *text = fz_xml_text(node);
if (text)
{
n = strlen(text);
memcpy(s+i, text, n);
i += n;
}
}
s[i] = 0;
return s;
}
static void generate_boxes(fz_context *ctx, fz_pool *pool,
fz_html_font_set *set, fz_archive *zip, const char *base_uri,
fz_xml *node, fz_html *top, fz_css_rule *rule, fz_css_match *up_match, int list_counter)
{
fz_css_match match;
fz_html *box;
const char *tag;
int display;
while (node)
{
match.up = up_match;
match.count = 0;
tag = fz_xml_tag(node);
if (tag)
{
fz_match_css(ctx, &match, rule, node);
display = fz_get_css_match_display(&match);
if (!strcmp(tag, "br"))
{
if (top->type == BOX_INLINE)
{
fz_html *flow = top;
while (flow->type != BOX_FLOW)
flow = flow->up;
add_flow_break(ctx, pool, flow, &top->style);
}
else
{
box = new_box(ctx, pool);
fz_apply_css_style(ctx, set, &box->style, &match);
top = insert_break_box(ctx, box, top);
}
}
else if (!strcmp(tag, "img"))
{
const char *src = fz_xml_att(node, "src");
if (src)
{
box = new_box(ctx, pool);
fz_apply_css_style(ctx, set, &box->style, &match);
insert_inline_box(ctx, pool, box, top);
generate_image(ctx, pool, zip, base_uri, box, src);
}
}
else if (display != DIS_NONE)
{
box = new_box(ctx, pool);
fz_apply_css_style(ctx, set, &box->style, &match);
if (display == DIS_BLOCK || display == DIS_INLINE_BLOCK)
{
top = insert_block_box(ctx, box, top);
}
else if (display == DIS_LIST_ITEM)
{
top = insert_block_box(ctx, box, top);
box->list_item = ++list_counter;
}
else if (display == DIS_INLINE)
{
insert_inline_box(ctx, pool, box, top);
}
else
{
fz_warn(ctx, "unknown box display type");
insert_box(ctx, box, BOX_BLOCK, top);
}
if (fz_xml_down(node))
{
int child_counter = list_counter;
if (!strcmp(tag, "ul") || !strcmp(tag, "ol"))
child_counter = 0;
generate_boxes(ctx, pool, set, zip, base_uri, fz_xml_down(node), box, rule, &match, child_counter);
}
// TODO: remove empty flow boxes
}
}
else
{
if (top->type != BOX_INLINE)
{
/* Create anonymous inline box, with the same style as the top block box. */
box = new_box(ctx, pool);
insert_inline_box(ctx, pool, box, top);
box->style = top->style;
/* Make sure not to recursively multiply font sizes. */
box->style.font_size.value = 1;
box->style.font_size.unit = N_SCALE;
generate_text(ctx, pool, box, fz_xml_text(node));
}
else
{
generate_text(ctx, pool, top, fz_xml_text(node));
}
}
node = fz_xml_next(node);
}
}
static void generate_boxes(fz_context *ctx, fz_html_font_set *set, fz_archive *zip, const char *base_uri,
fz_xml *node, fz_html *top, fz_css_rule *rule, fz_css_match *up_match)
{
fz_css_match match;
fz_html *box;
const char *tag;
int display;
while (node)
{
match.up = up_match;
match.count = 0;
tag = fz_xml_tag(node);
if (tag)
{
fz_match_css(ctx, &match, rule, node);
display = fz_get_css_match_display(&match);
if (!strcmp(tag, "br"))
{
box = new_box(ctx);
fz_apply_css_style(ctx, set, &box->style, &match);
top = insert_break_box(ctx, box, top);
}
else if (!strcmp(tag, "img"))
{
const char *src = fz_xml_att(node, "src");
if (src)
{
box = new_box(ctx);
fz_apply_css_style(ctx, set, &box->style, &match);
insert_inline_box(ctx, box, top);
generate_image(ctx, zip, base_uri, box, src);
}
}
else if (display != DIS_NONE)
{
box = new_box(ctx);
fz_apply_css_style(ctx, set, &box->style, &match);
if (display == DIS_BLOCK)
{
top = insert_block_box(ctx, box, top);
}
else if (display == DIS_LIST_ITEM)
{
top = insert_block_box(ctx, box, top);
}
else if (display == DIS_INLINE)
{
insert_inline_box(ctx, box, top);
}
else
{
fz_warn(ctx, "unknown box display type");
insert_box(ctx, box, BOX_BLOCK, top);
}
if (fz_xml_down(node))
generate_boxes(ctx, set, zip, base_uri, fz_xml_down(node), box, rule, &match);
// TODO: remove empty flow boxes
}
}
else
{
if (top->type != BOX_INLINE)
{
box = new_box(ctx);
insert_inline_box(ctx, box, top);
box->style = top->style;
generate_text(ctx, box, fz_xml_text(node));
}
else
{
generate_text(ctx, top, fz_xml_text(node));
}
}
node = fz_xml_next(node);
}
}
