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#ifndef NEWSBEUTER_HTMLRENDERER__H
#define NEWSBEUTER_HTMLRENDERER__H
#include <textformatter.h>
#include <vector>
#include <string>
#include <istream>
#include <map>
namespace newsbeuter {
enum class link_type { HREF, IMG, EMBED };
enum class htmltag {
A = 1, EMBED, BR, PRE, ITUNESHACK, IMG, BLOCKQUOTE, H1, H2, H3, H4, H5, H6,
P, OL, UL, LI, DT, DD, DL, SUP, SUB, HR, STRONG, UNDERLINE, QUOTATION,
SCRIPT, STYLE, TABLE, TH, TR, TD
};
typedef std::pair<std::string,link_type> linkpair;
class htmlrenderer {
public:
explicit htmlrenderer(bool raw = false);
void render(const std::string& source,
std::vector<std::pair<LineType, std::string>>& lines,
std::vector<linkpair>& links,
const std::string& url);
void render(std::istream & input,
std::vector<std::pair<LineType, std::string>>& lines,
std::vector<linkpair>& links,
const std::string& url);
static std::string render_hr(const unsigned int width);
// only public for unit testing purposes:
std::string format_ol_count(unsigned int count, char type);
struct TableCell {
explicit TableCell(size_t s) : span(s) { }
size_t span;
std::vector<std::string> text; // multiline cell text
};
struct TableRow {
TableRow() : inside(false) { }
void add_text(const std::string& str);
void start_cell(size_t span);
void complete_cell();
bool inside; // inside a cell
std::vector<TableCell> cells;
};
struct Table {
explicit Table(bool b) : inside(false), border(b) { }
void add_text(const std::string& str);
void start_row();
void complete_row();
void start_cell(size_t span);
void complete_cell();
bool inside; // inside a row
bool border;
std::vector<TableRow> rows;
};
private:
void prepare_new_line(std::string& line, int indent_level);
bool line_is_nonempty(const std::string& line);
unsigned int add_link(std::vector<linkpair>& links, const std::string& link, link_type type);
std::string quote_for_stfl(std::string str);
std::string absolute_url(const std::string& url, const std::string& link);
std::string type2str(link_type type);
std::map<std::string, htmltag> tags;
void render_table(
const Table& table,
std::vector<std::pair<LineType, std::string>>& lines);
void add_nonempty_line(
const std::string& curline,
std::vector<Table>& tables,
std::vector<std::pair<LineType, std::string>>& lines);
void add_line(
const std::string& curline,
std::vector<Table>& tables,
std::vector<std::pair<LineType, std::string>>& lines);
void add_line_softwrappable(
const std::string& line,
std::vector<std::pair<LineType, std::string>>& lines);
void add_line_nonwrappable(
const std::string& line,
std::vector<std::pair<LineType, std::string>>& lines);
void add_hr(std::vector<std::pair<LineType, std::string>>& lines);
std::string get_char_numbering(unsigned int count);
std::string get_roman_numbering(unsigned int count);
bool raw_;
};
}
#endif
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