Annotation of parser3/src/include/pa_request.h, revision 1.43
1.1 paf 1: /*
1.32 paf 2: Parser
3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.36 paf 4: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.32 paf 5:
1.43 ! paf 6: $Id: pa_request.h,v 1.42 2001/03/12 17:00:47 paf Exp $
1.1 paf 7: */
8:
9: #ifndef PA_REQUEST_H
10: #define PA_REQUEST_H
11:
12: #include "pa_pool.h"
1.4 paf 13: #include "pa_exception.h"
1.5 paf 14: #include "pa_hash.h"
1.7 paf 15: #include "pa_wcontext.h"
1.6 paf 16: #include "pa_value.h"
1.7 paf 17: #include "pa_stack.h"
1.12 paf 18: #include "pa_vclass.h"
1.7 paf 19:
20: #define MAIN_METHOD_NAME "main"
1.27 paf 21: #define AUTO_METHOD_NAME "auto"
1.35 paf 22: #define MAIN_CLASS_NAME "MAIN"
1.23 paf 23:
1.29 paf 24: #define ROOT_CLASS_NAME "ROOT"
25: #define ENV_CLASS_NAME "ENV"
1.41 paf 26: #define TABLE_CLASS_NAME "table"
1.7 paf 27:
28: #ifndef NO_STRING_ORIGIN
1.40 paf 29: # define COMPILE_PARAMS \
30: const char *source, \
31: VClass *aclass, const String *name, \
32: VClass *base_class, \
33: const char *file
34: # define COMPILE(source, aclass, name, base_class, file) \
35: real_compile(source, aclass, name, base_class, file)
1.7 paf 36: #else
1.40 paf 37: # define COMPILE_PARAMS \
38: const char *source, \
39: VClass *aclass, const String *name, \
40: VClass *base_class
41: # define COMPILE(source, aclass, name, base_class, file) \
42: real_compile(source, aclass, name, base_class)
1.7 paf 43: #endif
1.4 paf 44:
1.39 paf 45: class Temp_lang;
1.1 paf 46:
1.7 paf 47: class Request : public Pooled {
1.39 paf 48: friend Temp_lang;
1.1 paf 49: public:
50:
1.17 paf 51: Request(Pool& apool);
1.3 paf 52: ~Request() {}
1.1 paf 53:
1.7 paf 54: // global classes
1.6 paf 55: Hash& classes() { return fclasses; }
1.12 paf 56: Array& classes_array() { return fclasses_array; }
1.6 paf 57:
58: // core request processing
59: void core();
1.17 paf 60:
1.40 paf 61: void execute(const Array& ops);
62:
63: VClass *use_file(
64: const char *file, bool fail_on_read_problem=true,
65: VClass *aclass=0, const String *name=0,
66: VClass *base_class=0); // core.C
67: VClass *use_buf(
68: const char *source, const char *file,
69: VClass *aclass=0, const String *name=0,
70: VClass *base_class=0); // core.C
71: Value& process(
1.33 paf 72: Value& value,
1.37 paf 73: const String *name=0,
1.38 paf 74: bool intercept_string=true); // execute.C
1.28 paf 75:
76: void write(const String& astring) {
77: wcontext->write(astring, String::Untaint_lang::NO); // write(const) = clean
78: }
1.22 paf 79:
1.40 paf 80: void write_assign_lang(Value& avalue) {
1.25 paf 81: // appending possible string, assigning untaint language
1.39 paf 82: wcontext->write(avalue, flang);
1.22 paf 83: }
1.40 paf 84: void write_pass_lang(Value& avalue) {
85: // appending possible string, passing language built into string being written
86: wcontext->write(avalue, String::Untaint_lang::PASS_APPENDED);
87: }
1.43 ! paf 88:
! 89: void fail_if_junction_(bool is, Value& value, const String& method_name, char *msg);
1.22 paf 90:
1.42 paf 91: char *relative(const char *path, const char *file);
92: char *absolute(const char *name);
93:
1.17 paf 94: public:
1.22 paf 95:
96: // default base
97: VClass root_class;
1.23 paf 98: // $ENV:fields here
99: VClass env_class;
1.17 paf 100:
1.22 paf 101: // contexts
102: Value *self, *root, *rcontext;
103: WContext *wcontext;
1.6 paf 104:
1.7 paf 105: private: // core data
1.6 paf 106:
107: // classes
108: Hash fclasses;
1.12 paf 109: Array fclasses_array;
1.6 paf 110:
1.7 paf 111: // execution stack
112: Stack stack;
113:
114: private: // core.C
115:
1.12 paf 116: char *execute_MAIN();
1.7 paf 117:
118: private: // compile.C
119:
1.12 paf 120: VClass& real_compile(COMPILE_PARAMS);
1.7 paf 121:
122: private: // execute.C
123:
1.29 paf 124: char *execute_static_method(VClass& vclass, String& method_name, bool return_cstr);
1.9 paf 125:
126: Value *get_element();
1.22 paf 127:
128: private: // lang&raw
129:
1.39 paf 130: String::Untaint_lang flang;
1.22 paf 131:
1.39 paf 132: private: // lang manipulation
1.22 paf 133:
1.39 paf 134: String::Untaint_lang set_lang(String::Untaint_lang alang) {
135: String::Untaint_lang result=flang;
136: flang=alang;
137: return result;
138: }
139: void restore_lang(String::Untaint_lang alang) {
140: flang=alang;
141: }
1.42 paf 142:
143: private: // web
144:
145: const char *document_root;
146: const char *page_filespec;
1.39 paf 147:
148: };
149:
150: class Temp_lang {
151: Request& frequest;
152: String::Untaint_lang saved_lang;
153: public:
154: Temp_lang(Request& arequest, String::Untaint_lang alang) :
155: frequest(arequest),
156: saved_lang(arequest.set_lang(alang)) {
157: }
158: ~Temp_lang() {
159: frequest.restore_lang(saved_lang);
160: }
1.4 paf 161: };
1.1 paf 162:
163: #endif
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