Annotation of parser3/src/main/pa_request.C, revision 1.23
1.1 paf 1: /*
1.9 paf 2: Parser
3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.14 paf 4: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.9 paf 5:
1.22 paf 6: $Id: pa_request.C,v 1.21 2001/03/12 21:54:20 paf Exp $
1.1 paf 7: */
8:
1.19 paf 9: #include <string.h>
10:
1.1 paf 11: #include "pa_request.h"
1.3 paf 12: #include "pa_wwrapper.h"
13: #include "pa_common.h"
14: #include "pa_vclass.h"
1.11 paf 15: #include "_root.h"
16: #include "_env.h"
1.17 paf 17: #include "_table.h"
1.6 paf 18: #include "core.h"
1.3 paf 19:
20: #include <stdio.h>
21:
22: Request::Request(Pool& apool) : Pooled(apool),
23: stack(apool),
24: root_class(apool),
25: env_class(apool),
26: fclasses(apool),
27: fclasses_array(apool),
1.15 paf 28: flang(String::Untaint_lang::HTML_TYPO)
1.3 paf 29: {
30: // root class
31: initialize_root_class(pool(), root_class);
32: // adding root superclass,
33: // parent of all classes,
34: // operators holder
1.6 paf 35: classes().put(*root_class_name, &root_class);
1.18 paf 36: //root_class.set_name(*root_class_name);
1.3 paf 37:
38: // env class
39: initialize_env_class(pool(), env_class);
1.6 paf 40: classes().put(*env_class_name, &env_class);
1.17 paf 41:
42: // table class
1.18 paf 43: classes().put(*table_class_name, table_class);
1.23 ! paf 44: table_class->set_name(*table_class_name);
1.19 paf 45:
46:
47: // web
48: // todo: ifdef WIN32 flip \\ to /
49: document_root="Y:/parser3/src/";
50: page_filespec="Y:/parser3/src/test.p";
1.3 paf 51: }
1.1 paf 52:
53: void Request::core() {
1.3 paf 54: TRY {
1.7 paf 55: // loading system auto.p
56: char *sys_auto_file="C:\\temp\\auto.p";
1.16 paf 57: VClass *main_class=use_file(
58: sys_auto_file, false/*ignore possible read problem*/,
59: 0/*new class*/, main_class_name);
1.8 paf 60:
1.13 paf 61: // TODO: использовать $MAIN:limits здесь, пока их не сломали враги
1.7 paf 62:
63: // TODO: load site auto.p files, all assigned bases from upper dir
64: char *site_auto_file="Y:\\parser3\\src\\auto.p";
1.16 paf 65: main_class=use_file(
66: site_auto_file, false/*ignore possible read problem*/,
67: 0/*new class*/, main_class_name, main_class);
1.7 paf 68:
69: // there must be some auto.p
1.12 paf 70: if(!main_class)
1.7 paf 71: THROW(0,0,
72: 0,
73: "'auto.p' not found");
1.5 paf 74:
1.7 paf 75: // compiling requested file
1.19 paf 76: use_file(page_filespec, true/*don't ignore read problem*/,
1.16 paf 77: 0/*new class*/, main_class_name, main_class);
1.3 paf 78:
1.7 paf 79: // executing some @main[]
1.3 paf 80: char *result=execute_MAIN();
81: printf("result-----------------\n%sEOF----------------\n", result);
82: }
83: CATCH(e) {
84: printf("\nERROR: ");
85: const String *problem_source=e.problem_source();
1.16 paf 86: #ifndef NO_STRING_ORIGIN
1.3 paf 87: if(problem_source) {
88: const Origin& origin=problem_source->origin();
89: if(origin.file)
90: printf("%s(%d): ",
91: origin.file, 1+origin.line);
92: printf("'%s' ",
93: problem_source->cstr());
94: }
1.16 paf 95: #endif
1.3 paf 96: printf("%s", e.comment());
1.1 paf 97: const String *type=e.type();
98: if(type) {
99: printf(" type: %s", type->cstr());
100: const String *code=e.code();
101: if(code)
102: printf(", code: %s", code->cstr());
103: }
1.3 paf 104: printf("\n");
1.1 paf 105: }
1.3 paf 106: END_CATCH
1.1 paf 107: }
108:
1.16 paf 109: VClass *Request::use_file(
110: const char *file, bool fail_on_read_problem,
111: VClass *aclass, const String *name,
112: VClass *base_class) {
1.3 paf 113: // TODO: обнаружить|решить cyclic dependences
1.5 paf 114: char *source=file_read(pool(), file, fail_on_read_problem);
1.3 paf 115: if(!source)
1.12 paf 116: return base_class;
1.3 paf 117:
1.16 paf 118: return use_buf(source, file, aclass, name, base_class);
119: }
120:
121: VClass *Request::use_buf(
122: const char *source, const char *file,
123: VClass *aclass, const String *name,
124: VClass *base_class) {
1.5 paf 125: // compile loaded class
1.16 paf 126: VClass& cclass=COMPILE(source, aclass, name, base_class, file);
1.1 paf 127:
1.4 paf 128: // locate and execute possible @auto[] static method
1.16 paf 129: execute_static_method(cclass, *auto_method_name, false /*no result needed*/);
130: return &cclass;
1.1 paf 131: }
132:
1.3 paf 133: char *Request::execute_MAIN() {
1.5 paf 134: // locate class with @main[] & execute it
1.3 paf 135: for(int i=classes_array().size(); --i>=0;) {
136: VClass *vclass=static_cast<VClass *>(classes_array().get(i));
1.5 paf 137: char *result=execute_static_method(*vclass, *main_method_name, true /*result needed*/);
1.4 paf 138: if(result)
139: return result;
1.3 paf 140: }
141:
142: THROW(0,0,
143: 0,
144: "'"MAIN_METHOD_NAME"' method not found");
145: return 0;
1.20 paf 146: }
147:
148: void Request::fail_if_junction_(bool is,
149: Value& value, const String& method_name, char *msg) {
150:
151: // fail_if_junction(true, junction = fail
152: // fail_if_junction(false, not junction = fail
153: if((value.get_junction()!=0) ^ !is)
154: THROW(0, 0,
155: &method_name,
156: msg);
1.19 paf 157: }
158:
159: char *Request::relative(const char *path, const char *file) {
1.21 paf 160: char *result=(char *)malloc(strlen(path)+strlen(file)+1);
1.19 paf 161: strcpy(result, path);
162: rsplit(result,'/');
163: strcat(result, "/");
164: strcat(result, file);
165: return result;
166: }
167:
168: char *Request::absolute(const char *name) {
169: if(name[0]=='/') {
1.21 paf 170: char *result=(char *)malloc(strlen(document_root)+strlen(name)+1);
1.19 paf 171: strcpy(result, document_root);
172: strcat(result, name);
173: return result;
174: } else
175: return relative(page_filespec, name);
1.1 paf 176: }
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