Annotation of parser3/src/include/pa_request.h, revision 1.47
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:
1.47 ! paf 6: $Id: pa_request.h,v 1.46 2001/03/13 13:43:29 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"
1.45 paf 19: #include "pa_vobject.h"
1.47 ! paf 20: #include "pa_venv.h"
1.44 paf 21:
22: #define UNNAMED_NAME "unnamed"
1.7 paf 23:
24: #define MAIN_METHOD_NAME "main"
1.27 paf 25: #define AUTO_METHOD_NAME "auto"
1.35 paf 26: #define MAIN_CLASS_NAME "MAIN"
1.23 paf 27:
1.29 paf 28: #define ROOT_CLASS_NAME "ROOT"
29: #define ENV_CLASS_NAME "ENV"
1.41 paf 30: #define TABLE_CLASS_NAME "table"
1.7 paf 31:
32: #ifndef NO_STRING_ORIGIN
1.40 paf 33: # define COMPILE_PARAMS \
34: const char *source, \
1.46 paf 35: VStateless_class *aclass, const String *name, \
36: VStateless_class *base_class, \
1.40 paf 37: const char *file
38: # define COMPILE(source, aclass, name, base_class, file) \
39: real_compile(source, aclass, name, base_class, file)
1.7 paf 40: #else
1.40 paf 41: # define COMPILE_PARAMS \
42: const char *source, \
1.46 paf 43: VStateless_class *aclass, const String *name, \
44: VStateless_class *base_class
1.40 paf 45: # define COMPILE(source, aclass, name, base_class, file) \
46: real_compile(source, aclass, name, base_class)
1.7 paf 47: #endif
1.4 paf 48:
1.39 paf 49: class Temp_lang;
1.1 paf 50:
1.7 paf 51: class Request : public Pooled {
1.39 paf 52: friend Temp_lang;
1.1 paf 53: public:
54:
1.17 paf 55: Request(Pool& apool);
1.3 paf 56: ~Request() {}
1.1 paf 57:
1.7 paf 58: // global classes
1.6 paf 59: Hash& classes() { return fclasses; }
1.12 paf 60: Array& classes_array() { return fclasses_array; }
1.6 paf 61:
62: // core request processing
63: void core();
1.17 paf 64:
1.40 paf 65: void execute(const Array& ops);
66:
1.46 paf 67: VStateless_class *use_file(
1.40 paf 68: const char *file, bool fail_on_read_problem=true,
1.45 paf 69: const String *name=0,
1.46 paf 70: VStateless_class *base_class=0); // core.C
71: VStateless_class *use_buf(
1.40 paf 72: const char *source, const char *file,
1.46 paf 73: VStateless_class *aclass=0, const String *name=0,
74: VStateless_class *base_class=0); // core.C
1.40 paf 75: Value& process(
1.33 paf 76: Value& value,
1.37 paf 77: const String *name=0,
1.38 paf 78: bool intercept_string=true); // execute.C
1.28 paf 79:
80: void write(const String& astring) {
81: wcontext->write(astring, String::Untaint_lang::NO); // write(const) = clean
82: }
1.22 paf 83:
1.40 paf 84: void write_assign_lang(Value& avalue) {
1.25 paf 85: // appending possible string, assigning untaint language
1.39 paf 86: wcontext->write(avalue, flang);
1.22 paf 87: }
1.40 paf 88: void write_pass_lang(Value& avalue) {
89: // appending possible string, passing language built into string being written
90: wcontext->write(avalue, String::Untaint_lang::PASS_APPENDED);
91: }
1.43 paf 92:
93: void fail_if_junction_(bool is, Value& value, const String& method_name, char *msg);
1.22 paf 94:
1.42 paf 95: char *relative(const char *path, const char *file);
96: char *absolute(const char *name);
97:
1.17 paf 98: public:
1.22 paf 99:
100: // default base
101: VClass root_class;
1.23 paf 102: // $ENV:fields here
1.47 ! paf 103: VEnv env_class;
1.17 paf 104:
1.22 paf 105: // contexts
106: Value *self, *root, *rcontext;
107: WContext *wcontext;
1.6 paf 108:
1.7 paf 109: private: // core data
1.6 paf 110:
111: // classes
112: Hash fclasses;
1.12 paf 113: Array fclasses_array;
1.6 paf 114:
1.7 paf 115: // execution stack
116: Stack stack;
117:
118: private: // compile.C
119:
1.46 paf 120: VStateless_class& real_compile(COMPILE_PARAMS);
1.7 paf 121:
122: private: // execute.C
123:
1.45 paf 124: char *execute_method(Value& aself, const Method& method, bool return_cstr);
125: char *execute_method(Value& aself, const String& method_name, bool return_cstr);
1.9 paf 126:
127: Value *get_element();
1.22 paf 128:
129: private: // lang&raw
130:
1.39 paf 131: String::Untaint_lang flang;
1.22 paf 132:
1.39 paf 133: private: // lang manipulation
1.22 paf 134:
1.39 paf 135: String::Untaint_lang set_lang(String::Untaint_lang alang) {
136: String::Untaint_lang result=flang;
137: flang=alang;
138: return result;
139: }
140: void restore_lang(String::Untaint_lang alang) {
141: flang=alang;
142: }
1.42 paf 143:
144: private: // web
145:
146: const char *document_root;
147: const char *page_filespec;
1.39 paf 148:
149: };
150:
151: class Temp_lang {
152: Request& frequest;
153: String::Untaint_lang saved_lang;
154: public:
155: Temp_lang(Request& arequest, String::Untaint_lang alang) :
156: frequest(arequest),
157: saved_lang(arequest.set_lang(alang)) {
158: }
159: ~Temp_lang() {
160: frequest.restore_lang(saved_lang);
161: }
1.4 paf 162: };
1.1 paf 163:
164: #endif
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