Annotation of parser3/src/include/pa_request.h, revision 1.48
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:
1.48 ! paf 6: $Id: pa_request.h,v 1.47 2001/03/13 13:53:36 paf Exp $
1.1 paf 7: */
8:
9: #ifndef PA_REQUEST_H
10: #define PA_REQUEST_H
11:
12: #include "pa_pool.h"
1.5 paf 13: #include "pa_hash.h"
1.7 paf 14: #include "pa_wcontext.h"
1.6 paf 15: #include "pa_value.h"
1.7 paf 16: #include "pa_stack.h"
1.12 paf 17: #include "pa_vclass.h"
1.45 paf 18: #include "pa_vobject.h"
1.47 paf 19: #include "pa_venv.h"
1.48 ! paf 20: #include "pa_vform.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"
1.23 paf 26:
1.29 paf 27: #define ROOT_CLASS_NAME "ROOT"
1.48 ! paf 28: #define MAIN_CLASS_NAME "MAIN"
1.41 paf 29: #define TABLE_CLASS_NAME "table"
1.48 ! paf 30: #define ENV_CLASS_NAME "env"
! 31: #define FORM_CLASS_NAME "form"
1.7 paf 32:
33: #ifndef NO_STRING_ORIGIN
1.40 paf 34: # define COMPILE_PARAMS \
35: const char *source, \
1.46 paf 36: VStateless_class *aclass, const String *name, \
37: VStateless_class *base_class, \
1.40 paf 38: const char *file
39: # define COMPILE(source, aclass, name, base_class, file) \
40: real_compile(source, aclass, name, base_class, file)
1.7 paf 41: #else
1.40 paf 42: # define COMPILE_PARAMS \
43: const char *source, \
1.46 paf 44: VStateless_class *aclass, const String *name, \
45: VStateless_class *base_class
1.40 paf 46: # define COMPILE(source, aclass, name, base_class, file) \
47: real_compile(source, aclass, name, base_class)
1.7 paf 48: #endif
1.4 paf 49:
1.39 paf 50: class Temp_lang;
1.1 paf 51:
1.7 paf 52: class Request : public Pooled {
1.39 paf 53: friend Temp_lang;
1.1 paf 54: public:
55:
1.17 paf 56: Request(Pool& apool);
1.3 paf 57: ~Request() {}
1.1 paf 58:
1.7 paf 59: // global classes
1.6 paf 60: Hash& classes() { return fclasses; }
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;
1.48 ! paf 102: // $env:fields here
1.47 paf 103: VEnv env_class;
1.48 ! paf 104: // $form:elements here
! 105: VForm form_class;
1.17 paf 106:
1.22 paf 107: // contexts
108: Value *self, *root, *rcontext;
109: WContext *wcontext;
1.6 paf 110:
1.7 paf 111: private: // core data
1.6 paf 112:
113: // classes
114: Hash fclasses;
115:
1.7 paf 116: // execution stack
117: Stack stack;
118:
119: private: // compile.C
120:
1.46 paf 121: VStateless_class& real_compile(COMPILE_PARAMS);
1.7 paf 122:
123: private: // execute.C
124:
1.45 paf 125: char *execute_method(Value& aself, const Method& method, bool return_cstr);
126: char *execute_method(Value& aself, const String& method_name, bool return_cstr);
1.9 paf 127:
128: Value *get_element();
1.22 paf 129:
130: private: // lang&raw
131:
1.39 paf 132: String::Untaint_lang flang;
1.22 paf 133:
1.39 paf 134: private: // lang manipulation
1.22 paf 135:
1.39 paf 136: String::Untaint_lang set_lang(String::Untaint_lang alang) {
137: String::Untaint_lang result=flang;
138: flang=alang;
139: return result;
140: }
141: void restore_lang(String::Untaint_lang alang) {
142: flang=alang;
143: }
1.42 paf 144:
145: private: // web
146:
147: const char *document_root;
148: const char *page_filespec;
1.39 paf 149:
150: };
151:
152: class Temp_lang {
153: Request& frequest;
154: String::Untaint_lang saved_lang;
155: public:
156: Temp_lang(Request& arequest, String::Untaint_lang alang) :
157: frequest(arequest),
158: saved_lang(arequest.set_lang(alang)) {
159: }
160: ~Temp_lang() {
161: frequest.restore_lang(saved_lang);
162: }
1.4 paf 163: };
1.1 paf 164:
165: #endif
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