static void generate_image(fz_context *ctx, fz_pool *pool, fz_archive *zip, const char *base_uri, fz_html *box, const char *src)
{
fz_image *img = NULL;
fz_buffer *buf = NULL;
char path[2048];
fz_html *flow = box;
while (flow->type != BOX_FLOW)
flow = flow->up;
fz_strlcpy(path, base_uri, sizeof path);
fz_strlcat(path, "/", sizeof path);
fz_strlcat(path, src, sizeof path);
fz_urldecode(path);
fz_cleanname(path);
fz_var(buf);
fz_var(img);
fz_try(ctx)
{
buf = fz_read_archive_entry(ctx, zip, path);
img = fz_new_image_from_buffer(ctx, buf);
add_flow_image(ctx, pool, flow, &box->style, img);
}
fz_always(ctx)
{
fz_drop_buffer(ctx, buf);
fz_drop_image(ctx, img);
}
fz_catch(ctx)
{
const char *alt = "[image]";
fz_warn(ctx, "html: cannot add image src='%s'", src);
add_flow_word(ctx, pool, flow, &box->style, alt, alt + 7);
}
}
static void generate_text(fz_context *ctx, fz_html *box, const char *text)
{
fz_html *flow = box;
while (flow->type != BOX_FLOW)
flow = flow->up;
while (*text)
{
if (iswhite(*text))
{
++text;
while (iswhite(*text))
++text;
add_flow_space(ctx, flow, &box->style);
}
if (*text)
{
const char *mark = text++;
while (*text && !iswhite(*text))
++text;
add_flow_word(ctx, flow, &box->style, mark, text);
}
}
}
static void generate_text(fz_context *ctx, fz_pool *pool, fz_html *box, const char *text)
{
fz_html *flow;
int collapse = box->style.white_space & WS_COLLAPSE;
int bsp = box->style.white_space & WS_ALLOW_BREAK_SPACE;
int bnl = box->style.white_space & WS_FORCE_BREAK_NEWLINE;
flow = box;
while (flow->type != BOX_FLOW)
flow = flow->up;
while (*text)
{
if (bnl && (*text == '\n' || *text == '\r'))
{
if (text[0] == '\r' && text[1] == '\n')
text += 2;
else
text += 1;
add_flow_break(ctx, pool, flow, &box->style);
}
else if (iswhite(*text))
{
const char *mark = text++;
if (collapse)
while (iswhite(*text))
++text;
/* TODO: tabs */
if (bsp)
add_flow_glue(ctx, pool, flow, &box->style, " ", 1);
else
add_flow_word(ctx, pool, flow, &box->style, mark, text);
}
else
{
const char *mark = text;
int c, addglue = 0;
while (*text && !iswhite(*text))
{
/* TODO: Unicode Line Breaking Algorithm (UAX #14) */
text += fz_chartorune(&c, text);
if (iscjk(c))
{
int cat = ucdn_get_general_category(c);
if (addglue && !not_at_bol(cat, c))
add_flow_glue(ctx, pool, flow, &box->style, "", 0);
add_flow_word(ctx, pool, flow, &box->style, mark, text);
if (!not_at_eol(cat, c))
addglue = 1;
mark = text;
}
else
{
addglue = 0;
}
}
if (mark != text)
add_flow_word(ctx, pool, flow, &box->style, mark, text);
}
}
}
