Annotation of parser3/src/include/pa_request.h, revision 1.46
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:
1.46 ! paf 6: $Id: pa_request.h,v 1.45.2.1 2001/03/13 13:39:57 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"
1.44 paf 20:
21: #define UNNAMED_NAME "unnamed"
1.7 paf 22:
23: #define MAIN_METHOD_NAME "main"
1.27 paf 24: #define AUTO_METHOD_NAME "auto"
1.35 paf 25: #define MAIN_CLASS_NAME "MAIN"
1.23 paf 26:
1.29 paf 27: #define ROOT_CLASS_NAME "ROOT"
28: #define ENV_CLASS_NAME "ENV"
1.41 paf 29: #define TABLE_CLASS_NAME "table"
1.7 paf 30:
31: #ifndef NO_STRING_ORIGIN
1.40 paf 32: # define COMPILE_PARAMS \
33: const char *source, \
1.46 ! paf 34: VStateless_class *aclass, const String *name, \
! 35: VStateless_class *base_class, \
1.40 paf 36: const char *file
37: # define COMPILE(source, aclass, name, base_class, file) \
38: real_compile(source, aclass, name, base_class, file)
1.7 paf 39: #else
1.40 paf 40: # define COMPILE_PARAMS \
41: const char *source, \
1.46 ! paf 42: VStateless_class *aclass, const String *name, \
! 43: VStateless_class *base_class
1.40 paf 44: # define COMPILE(source, aclass, name, base_class, file) \
45: real_compile(source, aclass, name, base_class)
1.7 paf 46: #endif
1.4 paf 47:
1.39 paf 48: class Temp_lang;
1.1 paf 49:
1.7 paf 50: class Request : public Pooled {
1.39 paf 51: friend Temp_lang;
1.1 paf 52: public:
53:
1.17 paf 54: Request(Pool& apool);
1.3 paf 55: ~Request() {}
1.1 paf 56:
1.7 paf 57: // global classes
1.6 paf 58: Hash& classes() { return fclasses; }
1.12 paf 59: Array& classes_array() { return fclasses_array; }
1.6 paf 60:
61: // core request processing
62: void core();
1.17 paf 63:
1.40 paf 64: void execute(const Array& ops);
65:
1.46 ! paf 66: VStateless_class *use_file(
1.40 paf 67: const char *file, bool fail_on_read_problem=true,
1.45 paf 68: const String *name=0,
1.46 ! paf 69: VStateless_class *base_class=0); // core.C
! 70: VStateless_class *use_buf(
1.40 paf 71: const char *source, const char *file,
1.46 ! paf 72: VStateless_class *aclass=0, const String *name=0,
! 73: VStateless_class *base_class=0); // core.C
1.40 paf 74: Value& process(
1.33 paf 75: Value& value,
1.37 paf 76: const String *name=0,
1.38 paf 77: bool intercept_string=true); // execute.C
1.28 paf 78:
79: void write(const String& astring) {
80: wcontext->write(astring, String::Untaint_lang::NO); // write(const) = clean
81: }
1.22 paf 82:
1.40 paf 83: void write_assign_lang(Value& avalue) {
1.25 paf 84: // appending possible string, assigning untaint language
1.39 paf 85: wcontext->write(avalue, flang);
1.22 paf 86: }
1.40 paf 87: void write_pass_lang(Value& avalue) {
88: // appending possible string, passing language built into string being written
89: wcontext->write(avalue, String::Untaint_lang::PASS_APPENDED);
90: }
1.43 paf 91:
92: void fail_if_junction_(bool is, Value& value, const String& method_name, char *msg);
1.22 paf 93:
1.42 paf 94: char *relative(const char *path, const char *file);
95: char *absolute(const char *name);
96:
1.17 paf 97: public:
1.22 paf 98:
99: // default base
100: VClass root_class;
1.23 paf 101: // $ENV:fields here
1.46 ! paf 102: VStateless_class env_class;
1.17 paf 103:
1.22 paf 104: // contexts
105: Value *self, *root, *rcontext;
106: WContext *wcontext;
1.6 paf 107:
1.7 paf 108: private: // core data
1.6 paf 109:
110: // classes
111: Hash fclasses;
1.12 paf 112: Array fclasses_array;
1.6 paf 113:
1.7 paf 114: // execution stack
115: Stack stack;
116:
117: private: // compile.C
118:
1.46 ! paf 119: VStateless_class& real_compile(COMPILE_PARAMS);
1.7 paf 120:
121: private: // execute.C
122:
1.45 paf 123: char *execute_method(Value& aself, const Method& method, bool return_cstr);
124: char *execute_method(Value& aself, const 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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