1 | #ifndef SASS_CONTEXT_H |
2 | #define SASS_CONTEXT_H |
3 | |
4 | // sass.hpp must go before all system headers to get the |
5 | // __EXTENSIONS__ fix on Solaris. |
6 | #include "sass.hpp" |
7 | #include "ast.hpp" |
8 | |
9 | |
10 | #define BUFFERSIZE 255 |
11 | #include "b64/encode.h" |
12 | |
13 | #include "sass_context.hpp" |
14 | #include "stylesheet.hpp" |
15 | #include "plugins.hpp" |
16 | #include "output.hpp" |
17 | |
18 | namespace Sass { |
19 | |
20 | class Context { |
21 | public: |
22 | void import_url (Import* imp, sass::string load_path, const sass::string& ctx_path); |
23 | bool (const sass::string& load_path, const char* ctx_path, SourceSpan& pstate, Import* imp) |
24 | { return call_loader(load_path, ctx_path, pstate, imp, importers: c_headers, only_one: false); }; |
25 | bool call_importers(const sass::string& load_path, const char* ctx_path, SourceSpan& pstate, Import* imp) |
26 | { return call_loader(load_path, ctx_path, pstate, imp, importers: c_importers, only_one: true); }; |
27 | |
28 | private: |
29 | bool call_loader(const sass::string& load_path, const char* ctx_path, SourceSpan& pstate, Import* imp, sass::vector<Sass_Importer_Entry> importers, bool only_one = true); |
30 | |
31 | public: |
32 | const sass::string CWD; |
33 | struct Sass_Options& c_options; |
34 | sass::string entry_path; |
35 | size_t head_imports; |
36 | Plugins plugins; |
37 | Output emitter; |
38 | |
39 | // generic ast node garbage container |
40 | // used to avoid possible circular refs |
41 | CallStack ast_gc; |
42 | // resources add under our control |
43 | // these are guaranteed to be freed |
44 | sass::vector<char*> strings; |
45 | sass::vector<Resource> resources; |
46 | std::map<const sass::string, StyleSheet> sheets; |
47 | ImporterStack import_stack; |
48 | sass::vector<Sass_Callee> callee_stack; |
49 | sass::vector<Backtrace> traces; |
50 | Extender extender; |
51 | |
52 | struct Sass_Compiler* c_compiler; |
53 | |
54 | // absolute paths to includes |
55 | sass::vector<sass::string> included_files; |
56 | // relative includes for sourcemap |
57 | sass::vector<sass::string> srcmap_links; |
58 | // vectors above have same size |
59 | |
60 | sass::vector<sass::string> plugin_paths; // relative paths to load plugins |
61 | sass::vector<sass::string> include_paths; // lookup paths for includes |
62 | |
63 | void (Block_Obj root, const char* path, SourceSpan pstate); |
64 | |
65 | sass::vector<Sass_Importer_Entry> ; |
66 | sass::vector<Sass_Importer_Entry> c_importers; |
67 | sass::vector<Sass_Function_Entry> c_functions; |
68 | |
69 | void (Sass_Importer_Entry ); |
70 | void add_c_importer(Sass_Importer_Entry importer); |
71 | void add_c_function(Sass_Function_Entry function); |
72 | |
73 | const sass::string indent; // String to be used for indentation |
74 | const sass::string linefeed; // String to be used for line feeds |
75 | const sass::string input_path; // for relative paths in src-map |
76 | const sass::string output_path; // for relative paths to the output |
77 | const sass::string source_map_file; // path to source map file (enables feature) |
78 | const sass::string source_map_root; // path for sourceRoot property (pass-through) |
79 | |
80 | virtual ~Context(); |
81 | Context(struct Sass_Context&); |
82 | virtual Block_Obj parse() = 0; |
83 | virtual Block_Obj compile(); |
84 | virtual char* render(Block_Obj root); |
85 | virtual char* render_srcmap(); |
86 | |
87 | void register_resource(const Include&, const Resource&); |
88 | void register_resource(const Include&, const Resource&, SourceSpan&); |
89 | sass::vector<Include> find_includes(const Importer& import); |
90 | Include load_import(const Importer&, SourceSpan pstate); |
91 | |
92 | Sass_Output_Style output_style() { return c_options.output_style; }; |
93 | sass::vector<sass::string> get_included_files(bool skip = false, size_t = 0); |
94 | |
95 | private: |
96 | void collect_plugin_paths(const char* paths_str); |
97 | void collect_plugin_paths(string_list* paths_array); |
98 | void collect_include_paths(const char* paths_str); |
99 | void collect_include_paths(string_list* paths_array); |
100 | sass::string format_embedded_source_map(); |
101 | sass::string format_source_mapping_url(const sass::string& out_path); |
102 | |
103 | |
104 | // void register_built_in_functions(Env* env); |
105 | // void register_function(Signature sig, Native_Function f, Env* env); |
106 | // void register_function(Signature sig, Native_Function f, size_t arity, Env* env); |
107 | // void register_overload_stub(sass::string name, Env* env); |
108 | |
109 | public: |
110 | const sass::string& cwd() { return CWD; }; |
111 | }; |
112 | |
113 | class File_Context : public Context { |
114 | public: |
115 | File_Context(struct Sass_File_Context& ctx) |
116 | : Context(ctx) |
117 | { } |
118 | virtual ~File_Context(); |
119 | virtual Block_Obj parse(); |
120 | }; |
121 | |
122 | class Data_Context : public Context { |
123 | public: |
124 | char* source_c_str; |
125 | char* srcmap_c_str; |
126 | Data_Context(struct Sass_Data_Context& ctx) |
127 | : Context(ctx) |
128 | { |
129 | source_c_str = ctx.source_string; |
130 | srcmap_c_str = ctx.srcmap_string; |
131 | ctx.source_string = 0; // passed away |
132 | ctx.srcmap_string = 0; // passed away |
133 | } |
134 | virtual ~Data_Context(); |
135 | virtual Block_Obj parse(); |
136 | }; |
137 | |
138 | } |
139 | |
140 | #endif |
141 | |