1 | #ifndef LH_HTML_H |
2 | #define LH_HTML_H |
3 | |
4 | #include <stdlib.h> |
5 | #include <string> |
6 | #include <ctype.h> |
7 | #include <vector> |
8 | #include <map> |
9 | #include <cstring> |
10 | #include <algorithm> |
11 | #include <sstream> |
12 | #include <functional> |
13 | #include "os_types.h" |
14 | #include "types.h" |
15 | #include "background.h" |
16 | #include "borders.h" |
17 | #include "html_tag.h" |
18 | #include "web_color.h" |
19 | #include "media_query.h" |
20 | |
21 | namespace litehtml |
22 | { |
23 | struct list_marker |
24 | { |
25 | tstring image; |
26 | const tchar_t* baseurl; |
27 | list_style_type marker_type; |
28 | web_color color; |
29 | position pos; |
30 | int index; |
31 | uint_ptr font; |
32 | }; |
33 | |
34 | // call back interface to draw text, images and other elements |
35 | class document_container |
36 | { |
37 | public: |
38 | virtual litehtml::uint_ptr create_font(const litehtml::tchar_t* faceName, int size, int weight, litehtml::font_style italic, unsigned int decoration, litehtml::font_metrics* fm) = 0; |
39 | virtual void delete_font(litehtml::uint_ptr hFont) = 0; |
40 | virtual int text_width(const litehtml::tchar_t* text, litehtml::uint_ptr hFont) = 0; |
41 | virtual void draw_text(litehtml::uint_ptr hdc, const litehtml::tchar_t* text, litehtml::uint_ptr hFont, litehtml::web_color color, const litehtml::position& pos) = 0; |
42 | virtual int pt_to_px(int pt) const = 0; |
43 | virtual int get_default_font_size() const = 0; |
44 | virtual const litehtml::tchar_t* get_default_font_name() const = 0; |
45 | virtual void draw_list_marker(litehtml::uint_ptr hdc, const litehtml::list_marker& marker) = 0; |
46 | virtual void load_image(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, bool redraw_on_ready) = 0; |
47 | virtual void get_image_size(const litehtml::tchar_t* src, const litehtml::tchar_t* baseurl, litehtml::size& sz) = 0; |
48 | virtual void draw_background(litehtml::uint_ptr hdc, const litehtml::background_paint& bg) = 0; |
49 | virtual void draw_borders(litehtml::uint_ptr hdc, const litehtml::borders& borders, const litehtml::position& draw_pos, bool root) = 0; |
50 | |
51 | virtual void set_caption(const litehtml::tchar_t* caption) = 0; |
52 | virtual void set_base_url(const litehtml::tchar_t* base_url) = 0; |
53 | virtual void link(const std::shared_ptr<litehtml::document>& doc, const litehtml::element::ptr& el) = 0; |
54 | virtual void on_anchor_click(const litehtml::tchar_t* url, const litehtml::element::ptr& el) = 0; |
55 | virtual void set_cursor(const litehtml::tchar_t* cursor) = 0; |
56 | virtual void transform_text(litehtml::tstring& text, litehtml::text_transform tt) = 0; |
57 | virtual void import_css(litehtml::tstring& text, const litehtml::tstring& url, litehtml::tstring& baseurl) = 0; |
58 | virtual void set_clip(const litehtml::position& pos, const litehtml::border_radiuses& bdr_radius, bool valid_x, bool valid_y) = 0; |
59 | virtual void del_clip() = 0; |
60 | virtual void get_client_rect(litehtml::position& client) const = 0; |
61 | virtual std::shared_ptr<litehtml::element> create_element(const litehtml::tchar_t *tag_name, |
62 | const litehtml::string_map &attributes, |
63 | const std::shared_ptr<litehtml::document> &doc) = 0; |
64 | |
65 | virtual void get_media_features(litehtml::media_features& media) const = 0; |
66 | virtual void get_language(litehtml::tstring& language, litehtml::tstring & culture) const = 0; |
67 | virtual litehtml::tstring resolve_color(const litehtml::tstring& /*color*/) const { return litehtml::tstring(); } |
68 | virtual void split_text(const char* text, const std::function<void(const tchar_t*)>& on_word, const std::function<void(const tchar_t*)>& on_space); |
69 | |
70 | protected: |
71 | ~document_container() = default; |
72 | }; |
73 | |
74 | void trim(tstring &s); |
75 | void lcase(tstring &s); |
76 | int value_index(const tstring& val, const tstring& strings, int defValue = -1, tchar_t delim = _t(';')); |
77 | bool value_in_list(const tstring& val, const tstring& strings, tchar_t delim = _t(';')); |
78 | tstring::size_type find_close_bracket(const tstring &s, tstring::size_type off, tchar_t open_b = _t('('), tchar_t close_b = _t(')')); |
79 | void split_string(const tstring& str, string_vector& tokens, const tstring& delims, const tstring& delims_preserve = _t("" ), const tstring& quote = _t("\"" )); |
80 | void join_string(tstring& str, const string_vector& tokens, const tstring& delims); |
81 | double t_strtod(const tchar_t* string, tchar_t** endPtr); |
82 | |
83 | int t_strcasecmp(const tchar_t *s1, const tchar_t *s2); |
84 | int t_strncasecmp(const tchar_t *s1, const tchar_t *s2, size_t n); |
85 | |
86 | inline int t_isdigit(int c) |
87 | { |
88 | return (c >= '0' && c <= '9'); |
89 | } |
90 | |
91 | inline int t_tolower(int c) |
92 | { |
93 | return (c >= 'A' && c <= 'Z' ? c + 'a' - 'A' : c); |
94 | } |
95 | |
96 | inline int round_f(float val) |
97 | { |
98 | int int_val = (int) val; |
99 | if(val - int_val >= 0.5) |
100 | { |
101 | int_val++; |
102 | } |
103 | return int_val; |
104 | } |
105 | |
106 | inline int round_d(double val) |
107 | { |
108 | int int_val = (int) val; |
109 | if(val - int_val >= 0.5) |
110 | { |
111 | int_val++; |
112 | } |
113 | return int_val; |
114 | } |
115 | } |
116 | |
117 | #endif // LH_HTML_H |
118 | |