static fz_html_flow *split_flow(fz_context *ctx, fz_pool *pool, fz_html_flow *flow, size_t offset)
{
fz_html_flow *new_flow;
char *text;
size_t len;
if (offset == 0)
return flow;
new_flow = fz_pool_alloc(ctx, pool, sizeof *flow);
*new_flow = *flow;
new_flow->next = flow->next;
flow->next = new_flow;
text = flow->content.text;
while (*text && offset)
{
int rune;
text += fz_chartorune(&rune, text);
offset--;
}
len = strlen(text);
new_flow->content.text = fz_pool_alloc(ctx, pool, len+1);
strcpy(new_flow->content.text, text);
*text = 0;
return new_flow;
}
static void add_flow_word(fz_context *ctx, fz_pool *pool, fz_html *top, fz_css_style *style, const char *a, const char *b)
{
fz_html_flow *flow = add_flow(ctx, pool, top, style, FLOW_WORD);
flow->content.text = fz_pool_alloc(ctx, pool, b - a + 1);
memcpy(flow->content.text, a, b - a);
flow->content.text[b - a] = 0;
}
static fz_html_flow *add_flow(fz_context *ctx, fz_pool *pool, fz_html *top, fz_css_style *style, int type)
{
fz_html_flow *flow = fz_pool_alloc(ctx, pool, sizeof *flow);
flow->type = type;
flow->style = style;
*top->flow_tail = flow;
top->flow_tail = &flow->next;
return flow;
}
static fz_html *new_box(fz_context *ctx, fz_pool *pool)
{
fz_html *box = fz_pool_alloc(ctx, pool, sizeof *box);
init_box(ctx, box);
return box;
}