Annotation of parser3/src/include/pa_request.h, revision 1.67
1.61 paf 1: /** @file
1.62 paf 2: Parser: request class decl.
3:
1.32 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.62 paf 5:
1.36 paf 6: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.32 paf 7:
1.67 ! paf 8: $Id: pa_request.h,v 1.66 2001/03/22 11:19:10 paf Exp $
1.1 paf 9: */
10:
11: #ifndef PA_REQUEST_H
12: #define PA_REQUEST_H
13:
14: #include "pa_pool.h"
1.5 paf 15: #include "pa_hash.h"
1.7 paf 16: #include "pa_wcontext.h"
1.6 paf 17: #include "pa_value.h"
1.7 paf 18: #include "pa_stack.h"
1.12 paf 19: #include "pa_vclass.h"
1.45 paf 20: #include "pa_vobject.h"
1.47 paf 21: #include "pa_venv.h"
1.48 paf 22: #include "pa_vform.h"
1.56 paf 23: #include "pa_vrequest.h"
1.57 paf 24: #include "pa_vresponse.h"
1.60 paf 25: #include "pa_vcookie.h"
1.44 paf 26:
1.7 paf 27: #ifndef NO_STRING_ORIGIN
1.40 paf 28: # define COMPILE_PARAMS \
29: const char *source, \
1.46 paf 30: VStateless_class *aclass, const String *name, \
31: VStateless_class *base_class, \
1.40 paf 32: const char *file
33: # define COMPILE(source, aclass, name, base_class, file) \
34: real_compile(source, aclass, name, base_class, file)
1.7 paf 35: #else
1.40 paf 36: # define COMPILE_PARAMS \
37: const char *source, \
1.46 paf 38: VStateless_class *aclass, const String *name, \
39: VStateless_class *base_class
1.40 paf 40: # define COMPILE(source, aclass, name, base_class, file) \
41: real_compile(source, aclass, name, base_class)
1.7 paf 42: #endif
1.4 paf 43:
1.39 paf 44: class Temp_lang;
1.1 paf 45:
1.61 paf 46: /// Main workhorse.
1.7 paf 47: class Request : public Pooled {
1.39 paf 48: friend Temp_lang;
1.1 paf 49: public:
1.61 paf 50:
51: /// some information from web server
1.65 paf 52: class Info {
53: public:
1.53 paf 54: const char *document_root;
55: const char *path_translated;
1.56 paf 56: const char *method;
1.53 paf 57: const char *query_string;
1.56 paf 58: const char *uri;
1.53 paf 59: const char *content_type;
60: size_t content_length;
1.60 paf 61: const char *cookie;
1.53 paf 62: };
63:
1.50 paf 64: Request(Pool& apool,
1.53 paf 65: Info& ainfo,
1.63 paf 66: String::Untaint_lang adefault_lang ///< all tainted data default untainting lang
1.50 paf 67: );
1.3 paf 68: ~Request() {}
1.1 paf 69:
1.61 paf 70: /// global classes
1.6 paf 71: Hash& classes() { return fclasses; }
72:
1.65 paf 73: /**
74: core request processing
75:
76: BEWARE: may throw exception to you: catch it!
77: */
78: void core(
1.66 paf 79: const char *root_auto_path, ///< path to system auto.p file
80: bool root_auto_fail, ///< fail if system auto.p file not found
81: const char *site_auto_path, ///< path to site auto.p file
82: bool site_auto_fail, ///< fail if site auto.p file not found
1.65 paf 83: bool header_only);
1.17 paf 84:
1.61 paf 85: /// executes ops
1.40 paf 86: void execute(const Array& ops);
87:
1.64 paf 88: /// compiles the file, maybe forcing it's class @a name and @a base_class.
1.46 paf 89: VStateless_class *use_file(
1.40 paf 90: const char *file, bool fail_on_read_problem=true,
1.45 paf 91: const String *name=0,
1.46 paf 92: VStateless_class *base_class=0); // core.C
1.64 paf 93: /// compiles a @a source buffer
1.46 paf 94: VStateless_class *use_buf(
1.40 paf 95: const char *source, const char *file,
1.46 paf 96: VStateless_class *aclass=0, const String *name=0,
97: VStateless_class *base_class=0); // core.C
1.64 paf 98: /// processes any code-junction there may be inside of @a value
1.40 paf 99: Value& process(
1.33 paf 100: Value& value,
1.37 paf 101: const String *name=0,
1.38 paf 102: bool intercept_string=true); // execute.C
1.28 paf 103:
1.61 paf 104: /// appending, sure of clean string inside
1.65 paf 105: void write_no_lang(const String& astring) {
106: wcontext->write(astring, String::UL_NO);
1.49 paf 107: }
1.61 paf 108: /// appending string, passing language built into string being written
1.65 paf 109: void write_pass_lang(const String& astring) {
110: wcontext->write(astring, String::UL_PASS_APPENDED);
1.59 paf 111: }
1.61 paf 112: /// appending possible string, assigning untaint language
1.40 paf 113: void write_assign_lang(Value& avalue) {
1.39 paf 114: wcontext->write(avalue, flang);
1.22 paf 115: }
1.61 paf 116: /// appending possible string, passing language built into string being written
1.40 paf 117: void write_pass_lang(Value& avalue) {
1.65 paf 118: wcontext->write(avalue, String::UL_PASS_APPENDED);
1.49 paf 119: }
1.61 paf 120: /// appending sure value, that would be converted to clean string
1.49 paf 121: void write_no_lang(Value& avalue) {
1.65 paf 122: wcontext->write(avalue, String::UL_NO);
1.55 paf 123: }
1.61 paf 124: /// appending sure value, not VString
1.55 paf 125: void write_expr_result(Value& avalue) {
126: wcontext->write(avalue);
1.40 paf 127: }
1.43 paf 128:
1.61 paf 129: /// handy is-value-a-junction ensurer
1.65 paf 130: void fail_if_junction_(bool is, Value& value,
131: const String& method_name, const char *msg);
1.22 paf 132:
1.64 paf 133: /// returns relative to @a path path to @a file
1.42 paf 134: char *relative(const char *path, const char *file);
1.61 paf 135:
1.64 paf 136: /// returns an absolute @a path to relative @a name
1.42 paf 137: char *absolute(const char *name);
138:
1.17 paf 139: public:
1.22 paf 140:
1.61 paf 141: /// info from web server
1.53 paf 142: Info& info;
143:
1.61 paf 144: /// default base
1.57 paf 145: VClass ROOT;
1.61 paf 146: /// $env:fields here
1.57 paf 147: VEnv env;
1.61 paf 148: /// $form:elements here
1.57 paf 149: VForm form;
1.61 paf 150: /// $request:elements here
1.57 paf 151: VRequest request;
1.61 paf 152: /// $response:
1.57 paf 153: VResponse response;
1.61 paf 154: /// $cookie:
1.60 paf 155: VCookie cookie;
1.17 paf 156:
1.61 paf 157: /// contexts
1.22 paf 158: Value *self, *root, *rcontext;
1.61 paf 159: /// contexts
1.22 paf 160: WContext *wcontext;
1.6 paf 161:
1.7 paf 162: private: // core data
1.6 paf 163:
164: // classes
165: Hash fclasses;
1.67 ! paf 166:
! 167: // already used files to avoid cyclic uses
! 168: Hash used_files;
1.6 paf 169:
1.7 paf 170: // execution stack
171: Stack stack;
172:
173: private: // compile.C
174:
1.46 paf 175: VStateless_class& real_compile(COMPILE_PARAMS);
1.7 paf 176:
177: private: // execute.C
178:
1.57 paf 179: const String *execute_method(Value& aself, const Method& method,
180: bool return_cstr=true);
181: const String *execute_method(Value& aself, const String& method_name,
182: bool return_cstr=true);
1.9 paf 183:
184: Value *get_element();
1.22 paf 185:
186: private: // lang&raw
187:
1.39 paf 188: String::Untaint_lang flang;
1.58 paf 189:
190: private: // defaults
191:
192: const String::Untaint_lang fdefault_lang;
193: Value *fdefault_content_type;
1.22 paf 194:
1.39 paf 195: private: // lang manipulation
1.22 paf 196:
1.39 paf 197: String::Untaint_lang set_lang(String::Untaint_lang alang) {
198: String::Untaint_lang result=flang;
199: flang=alang;
200: return result;
201: }
202: void restore_lang(String::Untaint_lang alang) {
203: flang=alang;
204: }
205:
1.59 paf 206: private:
207:
1.65 paf 208: void output_result(const String& body_string, bool header_only);
1.39 paf 209: };
210:
1.61 paf 211: /// Auto-object used for temporary changing Request::flang.
1.39 paf 212: class Temp_lang {
213: Request& frequest;
214: String::Untaint_lang saved_lang;
215: public:
216: Temp_lang(Request& arequest, String::Untaint_lang alang) :
217: frequest(arequest),
218: saved_lang(arequest.set_lang(alang)) {
219: }
220: ~Temp_lang() {
221: frequest.restore_lang(saved_lang);
222: }
1.4 paf 223: };
1.1 paf 224:
225: #endif
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