Annotation of parser3/src/main/pa_request.C, revision 1.28
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:
1.28 ! paf 6: $Id: pa_request.C,v 1.27 2001/03/13 16:38:24 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:
1.28 ! paf 22: Request::Request(Pool& apool,
! 23: String::Untaint_lang alang,
! 24: char *adocument_root,
! 25: char *apage_filespec) : Pooled(apool),
1.3 paf 26: stack(apool),
27: root_class(apool),
28: env_class(apool),
1.27 paf 29: form_class(apool),
1.3 paf 30: fclasses(apool),
1.28 ! paf 31: flang(alang),
! 32: fdocument_root(adocument_root),
! 33: fpage_filespec(apage_filespec)
1.3 paf 34: {
1.27 paf 35: // root superclass,
1.3 paf 36: // parent of all classes,
37: // operators holder
1.27 paf 38: initialize_root_class(pool(), root_class);
1.6 paf 39: classes().put(*root_class_name, &root_class);
1.27 paf 40: // table class
41: classes().put(*table_class_name, table_class);
42: // table_class->set_name(*table_class_name);
1.3 paf 43:
44: // env class
1.6 paf 45: classes().put(*env_class_name, &env_class);
1.27 paf 46: // form class
47: classes().put(*form_class_name, &form_class);
1.3 paf 48: }
1.1 paf 49:
1.28 ! paf 50: char *Request::core(bool& error) {
! 51: error=false;
! 52: char *result;
1.3 paf 53: TRY {
1.7 paf 54: // loading system auto.p
55: char *sys_auto_file="C:\\temp\\auto.p";
1.26 paf 56: VStateless_class *main_class=use_file(
1.16 paf 57: sys_auto_file, false/*ignore possible read problem*/,
1.25 paf 58: 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*/,
1.25 paf 66: 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,
1.24 paf 72: "no 'auto.p' found (nither system nor any site's)");
1.5 paf 73:
1.7 paf 74: // compiling requested file
1.28 ! paf 75: main_class=use_file(fpage_filespec, true/*don't ignore read problem*/,
1.25 paf 76: main_class_name, main_class);
77:
78: // execute @main[]
1.28 ! paf 79: result=execute_method(*main_class, *main_method_name,
1.25 paf 80: true /*result needed*/);
81: if(!result)
82: THROW(0,0,
83: 0,
84: "'"MAIN_METHOD_NAME"' method not found");
1.3 paf 85: }
86: CATCH(e) {
1.28 ! paf 87: // we're returning not result, but error explanation
! 88: error=true;
! 89: result=(char *)malloc(MAX_STRING);
! 90: result[0]=0;
! 91: size_t printed=0;
! 92:
1.3 paf 93: const String *problem_source=e.problem_source();
1.28 ! paf 94: if(problem_source) {
1.16 paf 95: #ifndef NO_STRING_ORIGIN
1.3 paf 96: const Origin& origin=problem_source->origin();
97: if(origin.file)
1.28 ! paf 98: printed+=snprintf(result+printed, MAX_STRING-printed, "%s(%d): ",
! 99: origin.file, 1+origin.line);
! 100: #endif
! 101: printed+=snprintf(result+printed, MAX_STRING-printed, "'%s' ",
1.3 paf 102: problem_source->cstr());
103: }
1.28 ! paf 104: printed+=snprintf(result+printed, MAX_STRING-printed, "%s",
! 105: e.comment());
1.1 paf 106: const String *type=e.type();
107: if(type) {
1.28 ! paf 108: printed+=snprintf(result+printed, MAX_STRING-printed, " type: %s",
! 109: type->cstr());
1.1 paf 110: const String *code=e.code();
111: if(code)
1.28 ! paf 112: printed+=snprintf(result+printed, MAX_STRING-printed, ", code: %s",
! 113: code->cstr());
1.1 paf 114: }
115: }
1.3 paf 116: END_CATCH
1.28 ! paf 117:
! 118: return result;
1.1 paf 119: }
120:
1.26 paf 121: VStateless_class *Request::use_file(
122: const char *file, bool fail_on_read_problem,
123: const String *name,
124: VStateless_class *base_class) {
1.3 paf 125: // TODO: обнаружить|решить cyclic dependences
1.5 paf 126: char *source=file_read(pool(), file, fail_on_read_problem);
1.3 paf 127: if(!source)
1.12 paf 128: return base_class;
1.3 paf 129:
1.25 paf 130: return use_buf(source, file, 0/*new class*/, name, base_class);
1.16 paf 131: }
132:
1.26 paf 133: VStateless_class *Request::use_buf(
134: const char *source, const char *file,
135: VStateless_class *aclass, const String *name,
136: VStateless_class *base_class) {
1.5 paf 137: // compile loaded class
1.26 paf 138: VStateless_class& cclass=COMPILE(source, aclass, name, base_class, file);
1.1 paf 139:
1.4 paf 140: // locate and execute possible @auto[] static method
1.25 paf 141: execute_method(cclass, *auto_method_name, false /*no result needed*/);
1.16 paf 142: return &cclass;
1.20 paf 143: }
144:
145: void Request::fail_if_junction_(bool is,
1.26 paf 146: Value& value, const String& method_name, char *msg) {
1.20 paf 147:
148: // fail_if_junction(true, junction = fail
149: // fail_if_junction(false, not junction = fail
150: if((value.get_junction()!=0) ^ !is)
151: THROW(0, 0,
152: &method_name,
153: msg);
1.19 paf 154: }
155:
156: char *Request::relative(const char *path, const char *file) {
1.21 paf 157: char *result=(char *)malloc(strlen(path)+strlen(file)+1);
1.19 paf 158: strcpy(result, path);
159: rsplit(result,'/');
160: strcat(result, "/");
161: strcat(result, file);
162: return result;
163: }
164:
165: char *Request::absolute(const char *name) {
166: if(name[0]=='/') {
1.28 ! paf 167: char *result=(char *)malloc(strlen(fdocument_root)+strlen(name)+1);
! 168: strcpy(result, fdocument_root);
1.19 paf 169: strcat(result, name);
170: return result;
171: } else
1.28 ! paf 172: return relative(fpage_filespec, name);
1.1 paf 173: }
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