Annotation of parser3/src/main/pa_request.C, revision 1.22
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);
1.19 paf 44:
45:
46: // web
47: // todo: ifdef WIN32 flip \\ to /
48: document_root="Y:/parser3/src/";
49: page_filespec="Y:/parser3/src/test.p";
1.3 paf 50: }
1.1 paf 51:
52: void Request::core() {
1.3 paf 53: TRY {
1.7 paf 54: // loading system auto.p
55: char *sys_auto_file="C:\\temp\\auto.p";
1.16 paf 56: VClass *main_class=use_file(
57: sys_auto_file, false/*ignore possible read problem*/,
58: 0/*new class*/, main_class_name);
1.8 paf 59:
1.13 paf 60: // TODO: использовать $MAIN:limits здесь, пока их не сломали враги
1.7 paf 61:
62: // TODO: load site auto.p files, all assigned bases from upper dir
63: char *site_auto_file="Y:\\parser3\\src\\auto.p";
1.16 paf 64: main_class=use_file(
65: site_auto_file, false/*ignore possible read problem*/,
66: 0/*new class*/, main_class_name, main_class);
1.7 paf 67:
68: // there must be some auto.p
1.12 paf 69: if(!main_class)
1.7 paf 70: THROW(0,0,
71: 0,
72: "'auto.p' not found");
1.5 paf 73:
1.7 paf 74: // compiling requested file
1.19 paf 75: use_file(page_filespec, true/*don't ignore read problem*/,
1.16 paf 76: 0/*new class*/, main_class_name, main_class);
1.3 paf 77:
1.7 paf 78: // executing some @main[]
1.3 paf 79: char *result=execute_MAIN();
80: printf("result-----------------\n%sEOF----------------\n", result);
81: }
82: CATCH(e) {
83: printf("\nERROR: ");
84: const String *problem_source=e.problem_source();
1.16 paf 85: #ifndef NO_STRING_ORIGIN
1.3 paf 86: if(problem_source) {
87: const Origin& origin=problem_source->origin();
88: if(origin.file)
89: printf("%s(%d): ",
90: origin.file, 1+origin.line);
91: printf("'%s' ",
92: problem_source->cstr());
93: }
1.16 paf 94: #endif
1.3 paf 95: printf("%s", e.comment());
1.1 paf 96: const String *type=e.type();
97: if(type) {
98: printf(" type: %s", type->cstr());
99: const String *code=e.code();
100: if(code)
101: printf(", code: %s", code->cstr());
102: }
1.3 paf 103: printf("\n");
1.1 paf 104: }
1.3 paf 105: END_CATCH
1.1 paf 106: }
107:
1.16 paf 108: VClass *Request::use_file(
109: const char *file, bool fail_on_read_problem,
110: VClass *aclass, const String *name,
111: VClass *base_class) {
1.3 paf 112: // TODO: обнаружить|решить cyclic dependences
1.5 paf 113: char *source=file_read(pool(), file, fail_on_read_problem);
1.3 paf 114: if(!source)
1.12 paf 115: return base_class;
1.3 paf 116:
1.16 paf 117: return use_buf(source, file, aclass, name, base_class);
118: }
119:
120: VClass *Request::use_buf(
121: const char *source, const char *file,
122: VClass *aclass, const String *name,
123: VClass *base_class) {
1.5 paf 124: // compile loaded class
1.16 paf 125: VClass& cclass=COMPILE(source, aclass, name, base_class, file);
1.1 paf 126:
1.4 paf 127: // locate and execute possible @auto[] static method
1.16 paf 128: execute_static_method(cclass, *auto_method_name, false /*no result needed*/);
129: return &cclass;
1.1 paf 130: }
131:
1.3 paf 132: char *Request::execute_MAIN() {
1.5 paf 133: // locate class with @main[] & execute it
1.3 paf 134: for(int i=classes_array().size(); --i>=0;) {
135: VClass *vclass=static_cast<VClass *>(classes_array().get(i));
1.5 paf 136: char *result=execute_static_method(*vclass, *main_method_name, true /*result needed*/);
1.4 paf 137: if(result)
138: return result;
1.3 paf 139: }
140:
141: THROW(0,0,
142: 0,
143: "'"MAIN_METHOD_NAME"' method not found");
144: return 0;
1.20 paf 145: }
146:
147: void Request::fail_if_junction_(bool is,
148: Value& value, const String& method_name, char *msg) {
149:
150: // fail_if_junction(true, junction = fail
151: // fail_if_junction(false, not junction = fail
152: if((value.get_junction()!=0) ^ !is)
153: THROW(0, 0,
154: &method_name,
155: msg);
1.19 paf 156: }
157:
158: char *Request::relative(const char *path, const char *file) {
1.21 paf 159: char *result=(char *)malloc(strlen(path)+strlen(file)+1);
1.19 paf 160: strcpy(result, path);
161: rsplit(result,'/');
162: strcat(result, "/");
163: strcat(result, file);
164: return result;
165: }
166:
167: char *Request::absolute(const char *name) {
168: if(name[0]=='/') {
1.21 paf 169: char *result=(char *)malloc(strlen(document_root)+strlen(name)+1);
1.19 paf 170: strcpy(result, document_root);
171: strcat(result, name);
172: return result;
173: } else
174: return relative(page_filespec, name);
1.1 paf 175: }
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