Annotation of parser3/src/main/pa_request.C, revision 1.161
1.54 paf 1: /** @file
1.55 paf 2: Parser: request class main part. @see compile.C and execute.C.
3:
1.9 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.156 parser 5: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.55 paf 6:
1.161 ! parser 7: $Id: pa_request.C,v 1.160 2001/09/30 12:27:59 parser Exp $
1.1 paf 8: */
9:
1.70 paf 10: #include "pa_config_includes.h"
1.19 paf 11:
1.117 paf 12: #include "pcre.h"
13: #include "internal.h"
1.132 parser 14: extern "C" unsigned char pcre_default_tables[]; // pcre/chartables.c
1.96 paf 15:
1.69 paf 16: #include "pa_sapi.h"
1.53 paf 17: #include "pa_common.h"
1.1 paf 18: #include "pa_request.h"
1.3 paf 19: #include "pa_wwrapper.h"
20: #include "pa_vclass.h"
1.31 paf 21: #include "pa_globals.h"
1.30 paf 22: #include "pa_vint.h"
1.112 paf 23: #include "pa_vmethod_frame.h"
1.32 paf 24: #include "pa_types.h"
1.78 paf 25: #include "pa_vtable.h"
1.90 paf 26: #include "pa_vfile.h"
1.147 parser 27: #include "pa_dictionary.h"
1.3 paf 28:
1.159 parser 29: #ifdef XML
30: # include <util/XercesDefs.hpp>
31: # include <util/TransENameMap.hpp>
32: # include <util/XML256TableTranscoder.hpp>
33: # include <util/PlatformUtils.hpp>
1.161 ! parser 34: # include <PlatformSupport/XalanTranscodingServices.hpp>
1.159 parser 35: #endif
36:
1.82 paf 37: /// content type of exception response, when no @MAIN:exception handler defined
38: const char *UNHANDLED_EXCEPTION_CONTENT_TYPE="text/plain";
39:
40: /// content type of response when no $MAIN:defaults.content-type defined
41: const char *DEFAULT_CONTENT_TYPE="text/html";
1.144 parser 42: const char *ORIGINS_CONTENT_TYPE="text/plain";
1.82 paf 43:
1.123 paf 44: Methoded *MOP_create(Pool&);
45:
1.117 paf 46:
1.158 parser 47: inline void prepare_case_tables(unsigned char *tables) {
48: unsigned char *lcc_table=tables+lcc_offset;
49: unsigned char *fcc_table=tables+fcc_offset;
50: for(int i=0; i<0x100; i++)
51: lcc_table[i]=fcc_table[i]=i;
1.117 paf 52: }
1.158 parser 53: inline void cstr2ctypes(unsigned char *tables, const unsigned char *cstr,
1.117 paf 54: unsigned char bit) {
55: unsigned char *ctypes_table=tables+ctypes_offset;
56: ctypes_table[0]=bit;
57: for(; *cstr; cstr++) {
58: unsigned char c=*cstr;
59: ctypes_table[c]|=bit;
60: }
61: }
1.158 parser 62: inline unsigned int to_wchar_code(const String *s) {
63: if(!s || s->size()==0)
64: return 0;
65: if(s->size()==1)
66: return (unsigned int)s->first_char();
67: return (unsigned int)s->as_int();
68: }
69: inline bool to_bool(const String *s) {
70: return s && s->size()!=0;
71: }
72: static void element2ctypes(unsigned char c, bool belongs,
73: unsigned char *tables, unsigned char bit, int group_offset=-1) {
74: if(!belongs)
75: return;
76:
77: unsigned char *ctypes_table=tables+ctypes_offset;
78:
79: ctypes_table[c]|=bit;
80: if(group_offset>=0)
81: tables[cbits_offset+group_offset+c/8] |= 1 << (c%8);
82: }
83: static void element2case(unsigned char from, unsigned char to,
84: unsigned char *tables) {
85: if(!to)
86: return;
87:
1.117 paf 88: unsigned char *lcc_table=tables+lcc_offset;
89: unsigned char *fcc_table=tables+fcc_offset;
1.158 parser 90: lcc_table[from]=to;
91: fcc_table[from]=to; fcc_table[to]=from;
1.117 paf 92: }
93:
1.159 parser 94: #ifndef DOXYGEN
1.160 parser 95: struct Charset_tables {
1.159 parser 96: // pcre_tables
97: unsigned char *pcre_tables;
98: #ifdef XML
99: // transcoder
100: XMLCh *fromTable;
101: XMLTransService::TransRec *toTable;
102: unsigned int toTableSz;
103: #endif
104: };
105: #endif
106:
1.160 parser 107: static void ctype_table_row_to_charset_tables(Array::Item *value, void *info) {
1.158 parser 108: Array& row=*static_cast<Array *>(value);
1.160 parser 109: Charset_tables& tables=*static_cast<Charset_tables *>(info);
1.158 parser 110:
111: // char white-space digit hex-digit letter word lowercase unicode1 unicode2
112: unsigned int c=to_wchar_code(row.get_string(0));
113:
1.159 parser 114: // pcre_tables
115: element2ctypes(c, to_bool(row.get_string(1)), tables.pcre_tables, ctype_space, cbit_space);
116: element2ctypes(c, to_bool(row.get_string(2)), tables.pcre_tables, ctype_digit, cbit_digit);
117: element2ctypes(c, to_bool(row.get_string(3)), tables.pcre_tables, ctype_xdigit);
118: element2ctypes(c, to_bool(row.get_string(4)), tables.pcre_tables, ctype_letter);
119: element2ctypes(c, to_bool(row.get_string(5)), tables.pcre_tables, ctype_word, cbit_word);
120: element2case(c, to_wchar_code(row.get_string(6)), tables.pcre_tables);
121:
122: #ifdef XML
123: XMLCh unicode1=row.size()>7?(XMLCh)to_wchar_code(row.get_string(7)):0;
124: XMLCh unicode2=row.size()>8?(XMLCh)to_wchar_code(row.get_string(8)):0;
125: tables.toTable[tables.toTableSz].intCh=unicode1?unicode1:(XMLCh)c;
126: tables.toTable[tables.toTableSz].extCh=(XMLByte)c;
127: tables.toTableSz++;
128: if(unicode2) {
129: tables.toTable[tables.toTableSz].intCh=unicode2;
130: tables.toTable[tables.toTableSz].extCh=(XMLByte)c;
131: tables.toTableSz++;
132: }
133: #endif
134: }
135: static int sort_cmp_Trans_rec_intCh(const void *a, const void *b) {
136: const XMLCh ca=static_cast<const XMLTransService::TransRec *>(a)->intCh;
137: const XMLCh cb=static_cast<const XMLTransService::TransRec *>(b)->intCh;
138: // move zeros to end of table
139: if(ca==0)
140: return +1;
141: if(cb==0)
142: return -1;
143:
144: return ca-cb;
1.158 parser 145: }
146:
1.159 parser 147:
148: #ifdef XML
149: template <class TType> class ENameMapFor2 : public ENameMap
150: {
151: public :
152: // -----------------------------------------------------------------------
153: // Constructors and Destructor
154: // -----------------------------------------------------------------------
155: ENameMapFor2(
156: const XMLCh* const encodingName
157: , const XMLCh* const fromTable
158: , const XMLTransService::TransRec* const toTable
159: , const unsigned int toTableSize
160: ) : ENameMap(encodingName),
161: ffromTable(fromTable),
162: ftoTable(toTable),
163: ftoTableSize(toTableSize) {}
164: ~ENameMapFor2() {}
165:
166: // -----------------------------------------------------------------------
167: // Implementation of virtual factory method
168: // -----------------------------------------------------------------------
169: virtual XMLTranscoder* makeNew(const unsigned int blockSize) const {
170: return new TType(
171: getKey(),
172: blockSize,
173: ffromTable,
174: ftoTable, ftoTableSize);
175: }
176: private:
177: const XMLCh* const ffromTable;
178: const XMLTransService::TransRec* const ftoTable;
179: const unsigned int ftoTableSize;
180:
181: private :
182: // -----------------------------------------------------------------------
183: // Unimplemented constructors and operators
184: // -----------------------------------------------------------------------
185: ENameMapFor2();
186: ENameMapFor2(const ENameMapFor2<TType>&);
187: void operator=(const ENameMapFor2<TType>&);
188: };
189:
190: class XML256TableTranscoder2 : public XML256TableTranscoder
191: {
192: public :
193: XML256TableTranscoder2(
194: const XMLCh* const encodingName
195: , const unsigned int blockSize
196: , const XMLCh* const fromTable
197: , const XMLTransService::TransRec* const toTable
198: , const unsigned int toTableSize
199: ) : XML256TableTranscoder(encodingName, blockSize, fromTable, toTable, toTableSize) {}
200:
201: private :
202: XML256TableTranscoder2();
203: XML256TableTranscoder2(const XML256TableTranscoder2&);
204: void operator=(const XML256TableTranscoder2&);
205: };
206: #endif
207:
1.161 ! parser 208: #ifdef XALAN_HACK_DIGITAL_ENTITIES
! 209: static void hack_s_maximumCharacterValues(const XalanDOMString& encoding) {
! 210: /*
! 211: open:
! 212: xml-xalan/c/src/PlatformSupport/XalanTranscodingServices.hpp
! 213: find:
! 214: static const MaximumCharacterValueMapType& s_maximumCharacterValues;
! 215: paste to next line:
! 216: friend static void hack_s_maximumCharacterValues(const XalanDOMString& encoding); // hack by paf
! 217: */
! 218:
! 219: /*
! 220: const_cast<XalanTranscodingServices::MaximumCharacterValueMapType &>(
! 221: XalanTranscodingServices::s_maximumCharacterValues).insert(
! 222: XalanTranscodingServices::MaximumCharacterValueMapType::value_type(encoding, 0xFFFF));
! 223: */
! 224: }
! 225: #endif
! 226:
1.160 parser 227: static void load_charset(const Hash::Key& akey, Hash::Val *avalue,
1.158 parser 228: void *info) {
229: Hash& CTYPE=*static_cast<Hash *>(info);
230: Pool& pool=CTYPE.pool();
231:
1.160 parser 232: Charset_tables tables={
1.159 parser 233: // pcre_tables
234: // lowcase, flipcase, bits digit+word+whitespace, masks
235: (unsigned char *)pool.calloc(tables_length) // pcre_tables
236: #ifdef XML
237: // transcoder
238: , (XMLCh *)pool.calloc(sizeof(XMLCh)*0x100) // fromTable
239: , 0 // toTable
240: , 0 // toTableSz
241: #endif
242: };
243: prepare_case_tables(tables.pcre_tables);
244: cstr2ctypes(tables.pcre_tables, (const unsigned char *)"*+?{^.$|()[", ctype_meta);
1.158 parser 245:
1.159 parser 246: // fill tables
1.158 parser 247: Value& value=*static_cast<Value *>(avalue);
248: if(Table *table=value.get_table()) {
1.159 parser 249: #ifdef XML
250: tables.toTable=(XMLTransService::TransRec *)pool.calloc(
251: sizeof(XMLTransService::TransRec)*table->size()*2);
252: #endif
1.160 parser 253: table->for_each(ctype_table_row_to_charset_tables, &tables);
1.159 parser 254: #ifdef XML
255: // sort by the Unicode code point
256: _qsort(tables.toTable, tables.toTableSz, sizeof(*tables.toTable),
257: sort_cmp_Trans_rec_intCh);
258: #endif
259: } else
1.158 parser 260: PTHROW(0, 0,
261: &value.name(),
262: "must be hash");
263:
1.159 parser 264: // charset->pcre_tables
265: CTYPE.put(akey, tables.pcre_tables);
266:
267: #ifdef XML
268: // charset->transcoder
1.161 ! parser 269: XalanDOMString sencoding(akey.cstr());
! 270: #ifdef XALAN_HACK_DIGITAL_ENTITIES
! 271: hack_s_maximumCharacterValues(sencoding);
! 272: #endif
! 273: const XMLCh* const auto_encoding_cstr=sencoding.c_str();
! 274: int size=sizeof(XMLCh)*(sencoding.size()+1);
1.159 parser 275: XMLCh* pool_encoding_cstr=(XMLCh*)malloc(size);
276: memcpy(pool_encoding_cstr, auto_encoding_cstr, size);
277: XMLString::upperCase(pool_encoding_cstr);
278:
279: XMLPlatformUtils::fgTransService->addEncoding(
280: pool_encoding_cstr,
281: new ENameMapFor2<XML256TableTranscoder2>(
282: pool_encoding_cstr
283: , tables.fromTable
284: , tables.toTable
285: , tables.toTableSz
286: ));
287: #endif
1.157 parser 288: }
289:
290: //
291: Request::Request(Pool& apool,
292: Info& ainfo,
293: String::Untaint_lang adefault_lang) : Pooled(apool),
294: stack(apool),
295: OP(*MOP_create(apool)),
296: env(apool),
297: form(apool),
298: math(apool),
299: request(apool, *this),
300: response(apool),
301: cookie(apool),
302: fclasses(apool),
1.158 parser 303: CTYPE(apool),
1.157 parser 304: fdefault_lang(adefault_lang), flang(adefault_lang),
305: info(ainfo),
306: post_data(0), post_size(0),
307: used_files(apool),
308: default_content_type(0),
309: mime_types(0),
310: main_class(0),
311: connection(0),
312: classes_conf(apool),
1.158 parser 313: anti_endless_execute_recoursion(0)
1.157 parser 314: {
315: /// directly used
316: // operators
317: OP.register_directly_used(*this);
318: // classes:
319: // table, file, random, mail, image, ...
320: methoded_array->register_directly_used(*this);
321:
322: /// methodless
323: // env class
324: classes().put(*NEW String(pool(), ENV_CLASS_NAME), &env);
325: // request class
326: classes().put(*NEW String(pool(), REQUEST_CLASS_NAME), &request);
327: // cookie class
328: classes().put(*NEW String(pool(), COOKIE_CLASS_NAME), &cookie);
329:
330: /// methoded
331: // response class
332: classes().put(response.get_class()->name(), &response);
333:
334: /// bases used
335: // form class
336: classes().put(form.get_class()->base()->name(), &form);
337: // math class
338: classes().put(math.get_class()->base()->name(), &math);
1.117 paf 339: }
1.150 parser 340:
1.64 paf 341: /**
342: load MAIN class, execute @main.
343: MAIN class consists of all the auto.p files we'd manage to find
344: plus
345: the file user requested us to process
346: all located classes become children of one another,
347: composing class we name 'MAIN'
348: */
1.153 parser 349: void Request::core(
350: const char *root_config_filespec, bool root_config_fail_on_read_problem,
351: const char *site_config_filespec, bool site_config_fail_on_read_problem,
1.62 paf 352: bool header_only) {
1.121 paf 353: //_asm { int 3 }
1.41 paf 354: bool need_rethrow=false; Exception rethrow_me;
1.3 paf 355: TRY {
1.29 paf 356: char *auto_filespec=(char *)malloc(MAX_STRING);
357:
1.153 parser 358: // loading root config
359: if(root_config_filespec) {
1.77 paf 360: String& filespec=*NEW String(pool());
1.153 parser 361: filespec.APPEND_CLEAN(root_config_filespec, 0, "root_config", 0);
1.29 paf 362: main_class=use_file(
1.148 parser 363: filespec,
1.153 parser 364: true/*ignore class_path*/, root_config_fail_on_read_problem,
1.37 paf 365: main_class_name, main_class);
1.29 paf 366: }
367:
1.124 paf 368: // configure root options
1.72 paf 369: // until someone with less privileges have overriden them
1.129 paf 370: OP.configure_admin(*this);
1.124 paf 371: methoded_array->configure_admin(*this);
1.72 paf 372:
1.153 parser 373: // loading site config
374: if(site_config_filespec) {
1.77 paf 375: String& filespec=*NEW String(pool());
1.153 parser 376: filespec.APPEND_CLEAN(site_config_filespec, 0, "site_config", 0);
1.37 paf 377: main_class=use_file(
1.148 parser 378: filespec,
1.153 parser 379: true/*ignore class_path*/, site_config_fail_on_read_problem,
1.37 paf 380: main_class_name, main_class);
1.29 paf 381: }
1.8 paf 382:
1.72 paf 383: // loading auto.p files from document_root/..
384: // to the one beside requested file.
385: // all assigned bases from upper dir
386: {
1.115 paf 387: const char *after=info.path_translated;
388: size_t drlen=strlen(info.document_root);
389: if(memcmp(after, info.document_root, drlen)==0) {
390: after+=drlen;
391: if(after[-1]=='/')
392: --after;
393: }
394:
1.152 parser 395: int step=0;
1.115 paf 396: while(const char *before=strchr(after, '/')) {
1.152 parser 397: String& sfile_spec=*NEW String(pool());
1.115 paf 398: if(after!=info.path_translated) {
1.152 parser 399: sfile_spec.APPEND_CLEAN(
400: info.path_translated, before-info.path_translated,
401: "path-translated-scanned", step++);
402: sfile_spec << "/" AUTO_FILE_NAME;
403:
404: main_class=use_file(sfile_spec,
405: true/*ignore class_path*/, false/*ignore read problem*/,
406: main_class_name, main_class);
1.115 paf 407: }
408: after=before+1;
1.72 paf 409: }
410: }
1.34 paf 411:
1.125 paf 412: // compile requested file
1.77 paf 413: String& spath_translated=*NEW String(pool());
1.136 parser 414: spath_translated.APPEND_TAINTED(info.path_translated, 0, "user-request", 0);
1.148 parser 415: main_class=use_file(spath_translated,
416: true/*ignore class_path*/, true/*don't ignore read problem*/,
1.72 paf 417: main_class_name, main_class);
1.7 paf 418:
1.124 paf 419: // configure not-root=user options
1.129 paf 420: OP.configure_user(*this);
1.124 paf 421: methoded_array->configure_user(*this);
422:
1.85 paf 423: // $MAIN:DEFAULTS
1.78 paf 424: Value *defaults=main_class->get_element(*defaults_name);
1.75 paf 425: // value must be allocated on request's pool for that pool used on
426: // meaning constructing @see attributed_meaning_to_string
1.80 paf 427: default_content_type=defaults?defaults->get_element(*content_type_name):0;
1.155 parser 428: #ifdef XML
429: // record default charset
1.154 parser 430: if(default_content_type)
431: if(Hash *hash=default_content_type->get_hash())
432: if(Value *vcharset=(Value *)hash->get(*charset_name))
433: pool().set_charset(vcharset->as_string());
1.155 parser 434: #endif
1.154 parser 435:
1.117 paf 436: if(Value *element=main_class->get_element(*user_html_name))
1.87 paf 437: if(Table *table=element->get_table())
1.147 parser 438: pool().set_tag(NEW Dictionary(*table));
1.85 paf 439:
440: // $MAIN:MIME-TYPES
441: if(Value *element=main_class->get_element(*mime_types_name))
442: if(Table *table=element->get_table())
443: mime_types=table;
1.96 paf 444:
1.160 parser 445: if(Value *vcharsets=main_class->get_element(*charsets_name)) {
446: if(Hash *charsets=vcharsets->get_hash())
447: charsets->for_each(load_charset, &CTYPE);
1.158 parser 448: else
449: THROW(0, 0,
1.160 parser 450: &vcharsets->name(),
1.158 parser 451: "must be hash");
452: }
1.102 paf 453:
1.124 paf 454: // filling form fields
1.153 parser 455: form.fill_fields_and_tables(*this);
1.102 paf 456:
1.124 paf 457: // filling cookies
458: cookie.fill_fields(*this);
1.25 paf 459:
460: // execute @main[]
1.143 parser 461: const String *body_string=execute_virtual_method(
462: *main_class, *main_method_name);
1.41 paf 463: if(!body_string)
1.25 paf 464: THROW(0,0,
1.145 parser 465: 0,
466: "'"MAIN_METHOD_NAME"' method not found");
1.79 paf 467:
1.91 paf 468: VString body_vstring_before_post_process(*body_string);
469: VString *body_vstring_after_post_process=&body_vstring_before_post_process;
470:
1.119 paf 471: // @postprocess
1.91 paf 472: if(Value *value=main_class->get_element(*post_process_method_name))
473: if(Junction *junction=value->get_junction())
474: if(const Method *method=junction->method) {
475: // preparing to pass parameters to
1.119 paf 476: // @postprocess[data]
1.146 parser 477: VMethodFrame frame(pool(), value->name(), *junction);
1.91 paf 478: frame.set_self(*main_class);
479:
480: frame.store_param(method->name,
481: &body_vstring_before_post_process);
482: body_vstring_after_post_process=
483: NEW VString(*execute_method(frame, *method));
484: }
1.90 paf 485:
1.144 parser 486: bool origins_mode=main_class->get_element(*origins_mode_name)!=0;
487:
488: const VFile *body_file=body_vstring_after_post_process->as_vfile(
489: String::UL_UNSPECIFIED, origins_mode);
1.41 paf 490:
1.45 paf 491: // extract response body
492: Value *body_value=static_cast<Value *>(
493: response.fields().get(*body_name));
1.119 paf 494: if(body_value) // there is some $response.body
1.90 paf 495: body_file=body_value->as_vfile();
1.144 parser 496: else if(origins_mode)
497: response.fields().put(*content_type_name,
498: NEW VString(*NEW String(pool(), ORIGINS_CONTENT_TYPE)));
1.45 paf 499:
500: // OK. write out the result
1.90 paf 501: output_result(*body_file, header_only);
1.3 paf 502: }
1.76 paf 503: CATCH(e) { // request handling problem
504: // we're returning not result, but error explanation
1.30 paf 505: TRY {
1.76 paf 506: // log the beast
507: const String *problem_source=e.problem_source();
1.114 paf 508: if(problem_source && problem_source->size())
1.76 paf 509: SAPI::log(pool(),
510: #ifndef NO_STRING_ORIGIN
511: "%s(%d): "
512: #endif
513: "'%s' %s [%s %s]",
514: #ifndef NO_STRING_ORIGIN
515: problem_source->origin().file?problem_source->origin().file:"global",
516: problem_source->origin().line,
517: #endif
1.99 paf 518: problem_source->cstr(String::UL_AS_IS),
1.76 paf 519: e.comment(),
1.99 paf 520: e.type()?e.type()->cstr(String::UL_AS_IS):"-",
521: e.code()?e.code()->cstr(String::UL_AS_IS):"-"
1.76 paf 522: );
523: else
524: SAPI::log(pool(),
525: "%s [%s %s]",
526: e.comment(),
1.99 paf 527: e.type()?e.type()->cstr(String::UL_AS_IS):"-",
528: e.code()?e.code()->cstr(String::UL_AS_IS):"-"
1.76 paf 529: );
1.43 paf 530:
531: // reset language to default
532: flang=fdefault_lang;
1.135 parser 533: if(flang==String::UL_USER_HTML)
1.137 parser 534: flang=String::UL_HTML; // no _ & Co conversions in @exception[params]
1.43 paf 535:
536: // reset response
537: response.fields().clear();
538:
539: // this is what we'd return in $response:body
1.41 paf 540: const String *body_string=0;
1.43 paf 541:
1.30 paf 542: if(main_class) { // we've managed to end up with some main_class
543: // maybe we'd be lucky enough as to report an error
544: // in a gracefull way...
545: if(Value *value=main_class->get_element(*exception_method_name))
546: if(Junction *junction=value->get_junction())
547: if(const Method *method=junction->method) {
548: // preparing to pass parameters to
549: // @exception[origin;source;comment;type;code]
1.146 parser 550: VMethodFrame frame(pool(), value->name(), *junction);
1.38 paf 551: frame.set_self(*main_class);
1.30 paf 552:
553: const String *problem_source=e.problem_source();
554: // origin
1.38 paf 555: Value *origin_value=0;
1.30 paf 556: #ifndef NO_STRING_ORIGIN
1.114 paf 557: if(problem_source && problem_source->size()) {
1.38 paf 558: const Origin& origin=problem_source->origin();
559: if(origin.file) {
560: char *buf=(char *)malloc(MAX_STRING);
1.106 paf 561: size_t buf_size=snprintf(buf, MAX_STRING, "%s(%d):",
1.38 paf 562: origin.file, 1+origin.line);
1.44 paf 563: String *origin_file_line=NEW String(pool(),
1.106 paf 564: buf, buf_size, true);
1.38 paf 565: origin_value=NEW VString(*origin_file_line);
566: }
1.30 paf 567: }
568: #endif
1.91 paf 569: frame.store_param(method->name,
1.138 parser 570: origin_value?origin_value:NEW VVoid(pool()));
1.28 paf 571:
1.30 paf 572: // source
1.38 paf 573: Value *source_value=0;
1.114 paf 574: if(problem_source && problem_source->size()) {
1.47 paf 575: String& problem_source_copy=*NEW String(pool());
576: problem_source_copy.append(*problem_source,
577: flang, true);
1.43 paf 578: source_value=NEW VString(problem_source_copy);
579: }
1.91 paf 580: frame.store_param(method->name,
1.138 parser 581: source_value?source_value:NEW VVoid(pool()));
1.30 paf 582:
583: // comment
1.44 paf 584: String *comment_value=NEW String(pool(),
1.106 paf 585: e.comment(), 0, true);
1.91 paf 586: frame.store_param(method->name,
1.30 paf 587: NEW VString(*comment_value));
588:
589: // type
590: Value *type_value;
1.43 paf 591: if(e.type()) {
1.47 paf 592: String& type_copy=*NEW String(pool());
593: type_value=NEW VString(type_copy.append(*e.type(),
594: flang, true));
1.43 paf 595: } else
1.138 parser 596: type_value=NEW VVoid(pool());
1.91 paf 597: frame.store_param(method->name, type_value);
1.30 paf 598:
599: // code
600: Value *code_value;
1.43 paf 601: if(e.code()) {
1.47 paf 602: String& code_copy=*NEW String(pool());
603: code_value=NEW VString(code_copy.append(*e.code(),
604: flang, true));
1.43 paf 605: } else
1.138 parser 606: code_value=NEW VVoid(pool());
1.91 paf 607: frame.store_param(method->name, code_value);
1.30 paf 608:
1.43 paf 609: // future $response:body=
610: // execute ^exception[origin;source;comment;type;code]
611: body_string=execute_method(frame, *method);
1.30 paf 612: }
613: }
614:
1.41 paf 615: if(!body_string) { // couldn't report an error beautifully?
616: // doing that ugly
617:
618: // make up result: $origin $source $comment $type $code
619: char *buf=(char *)malloc(MAX_STRING);
1.30 paf 620: size_t printed=0;
621: const String *problem_source=e.problem_source();
622: if(problem_source) {
1.16 paf 623: #ifndef NO_STRING_ORIGIN
1.30 paf 624: const Origin& origin=problem_source->origin();
625: if(origin.file)
1.41 paf 626: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s(%d): ",
1.30 paf 627: origin.file, 1+origin.line);
1.28 paf 628: #endif
1.41 paf 629: printed+=snprintf(buf+printed, MAX_STRING-printed, "'%s' ",
1.99 paf 630: problem_source->cstr(String::UL_AS_IS));
1.30 paf 631: }
1.41 paf 632: printed+=snprintf(buf+printed, MAX_STRING-printed, "%s",
1.30 paf 633: e.comment());
634: const String *type=e.type();
635: if(type) {
1.41 paf 636: printed+=snprintf(buf+printed, MAX_STRING-printed, " type: %s",
1.99 paf 637: type->cstr(String::UL_AS_IS));
1.30 paf 638: const String *code=e.code();
639: if(code)
1.41 paf 640: printed+=snprintf(buf+printed, MAX_STRING-printed, ", code: %s",
1.99 paf 641: code->cstr(String::UL_AS_IS));
1.30 paf 642: }
1.43 paf 643:
644: // future $response:content-type
1.49 paf 645: response.fields().put(*content_type_name,
1.82 paf 646: NEW VString(*NEW String(pool(), UNHANDLED_EXCEPTION_CONTENT_TYPE)));
1.43 paf 647: // future $response:body
1.44 paf 648: body_string=NEW String(pool(), buf);
1.30 paf 649: }
1.41 paf 650:
1.144 parser 651: VString body_vstring(*body_string);
1.90 paf 652: const VFile *body_file=body_vstring.as_vfile();
653:
1.45 paf 654: // ERROR. write it out
1.90 paf 655: output_result(*body_file, header_only);
1.3 paf 656: }
1.30 paf 657: CATCH(e) {
1.41 paf 658: // exception in request exception handler
659: // remember to rethrow it
660: rethrow_me=e; need_rethrow=true;
1.1 paf 661: }
1.30 paf 662: END_CATCH
1.1 paf 663: }
1.41 paf 664: END_CATCH // do not use pool() after this point - no exception handler set
665: // any throw() would try to use zero exception() pointer
666:
1.91 paf 667: if(need_rethrow) // were there an exception for us to rethrow?
1.62 paf 668: THROW(rethrow_me.type(), rethrow_me.code(),
1.41 paf 669: rethrow_me.problem_source(),
670: rethrow_me.comment());
1.1 paf 671: }
672:
1.148 parser 673: VStateless_class *Request::use_file(const String& file_name,
674: bool ignore_class_path, bool fail_on_read_problem,
1.26 paf 675: const String *name,
676: VStateless_class *base_class) {
1.73 paf 677: // cyclic dependence check
1.148 parser 678: if(used_files.get(file_name))
1.73 paf 679: return base_class;
1.148 parser 680: used_files.put(file_name, (Hash::Val *)true);
1.73 paf 681:
1.148 parser 682: const String *file_spec;
1.153 parser 683: if(ignore_class_path) // ignore_class_path?
1.148 parser 684: file_spec=&file_name;
1.153 parser 685: else if(file_name.first_char()=='/') //absolute path, no need to scan MAIN:CLASS_PATH?
686: file_spec=&absolute(file_name);
687: else {
688: file_spec=0;
689: if(main_class)
690: if(Value *element=main_class->get_element(*class_path_name)) {
691: if(element->is_string()) {
692: file_spec=file_readable(element->as_string(), file_name); // found at class_path?
693: } else if(Table *table=element->get_table()) {
694: int size=table->size();
695: for(int i=size; i--; ) {
696: const String& path=*static_cast<Array *>(table->get(i))->get_string(0);
697: if(file_spec=file_readable(path, file_name))
698: break; // found along class_path
1.148 parser 699: }
1.153 parser 700: } else
701: THROW(0, 0,
702: &element->name(),
703: "must be string or table");
704: if(!file_spec)
705: THROW(0, 0,
706: &file_name,
707: "not found along " MAIN_CLASS_NAME ":" CLASS_PATH_NAME);
708: }
709: if(!file_spec)
710: THROW(0, 0,
711: &file_name,
712: "usage failed - no " MAIN_CLASS_NAME ":" CLASS_PATH_NAME " were specified");
1.148 parser 713: }
1.73 paf 714:
1.148 parser 715: char *source=file_read_text(pool(), *file_spec, fail_on_read_problem);
1.3 paf 716: if(!source)
1.12 paf 717: return base_class;
1.3 paf 718:
1.148 parser 719: return use_buf(source, file_spec->cstr(), 0/*new class*/, name, base_class);
1.16 paf 720: }
721:
1.67 paf 722: VStateless_class *Request::use_buf(const char *source, const char *file,
1.26 paf 723: VStateless_class *aclass, const String *name,
724: VStateless_class *base_class) {
1.5 paf 725: // compile loaded class
1.26 paf 726: VStateless_class& cclass=COMPILE(source, aclass, name, base_class, file);
1.1 paf 727:
1.4 paf 728: // locate and execute possible @auto[] static method
1.143 parser 729: execute_nonvirtual_method(cclass, *auto_method_name, false /*no result needed*/);
1.16 paf 730: return &cclass;
1.19 paf 731: }
732:
1.77 paf 733: const String& Request::relative(const char *apath, const String& relative_name) {
734: int lpath_buf_size=strlen(apath)+1;
735: char *lpath=(char *)malloc(lpath_buf_size);
736: memcpy(lpath, apath, lpath_buf_size);
1.120 paf 737: if(!rsplit(lpath, '/'))
738: strcpy(lpath, ".");
1.77 paf 739: String& result=*NEW String(pool(), lpath);
1.104 paf 740: result << "/" << relative_name;
1.19 paf 741: return result;
742: }
743:
1.77 paf 744: const String& Request::absolute(const String& relative_name) {
745: char *relative_name_cstr=relative_name.cstr();
746: if(relative_name_cstr[0]=='/') {
747: String& result=*NEW String(pool(), info.document_root);
1.104 paf 748: result << relative_name;
1.19 paf 749: return result;
750: } else
1.77 paf 751: return relative(info.path_translated, relative_name);
1.1 paf 752: }
1.45 paf 753:
1.101 paf 754: static void add_header_attribute(const Hash::Key& aattribute, Hash::Val *ameaning,
755: void *info) {
756: String *attribute_to_exclude=static_cast<String *>(info);
757: if(aattribute==*attribute_to_exclude)
758: return;
759:
760: Value& lmeaning=*static_cast<Value *>(ameaning);
761: Pool& pool=lmeaning.pool();
762:
763: SAPI::add_header_attribute(pool,
1.116 paf 764: aattribute.cstr(String::UL_AS_IS),
1.101 paf 765: attributed_meaning_to_string(lmeaning, String::UL_HTTP_HEADER).cstr());
766: }
1.90 paf 767: void Request::output_result(const VFile& body_file, bool header_only) {
1.51 paf 768: // header: cookies
769: cookie.output_result();
770:
1.90 paf 771: // set content-type
772: if(String *body_file_content_type=static_cast<String *>(
773: body_file.fields().get(*vfile_mime_type_name))) {
774: // body file content type
775: response.fields().put(*content_type_name, body_file_content_type);
776: } else {
777: // default content type
778: response.fields().put_dont_replace(*content_type_name,
779: default_content_type?default_content_type
780: :NEW VString(*NEW String(pool(), DEFAULT_CONTENT_TYPE)));
1.92 paf 781: }
782:
783: // content-disposition
1.111 paf 784: if(VString *vfile_name=static_cast<VString *>(body_file.fields().get(*name_name)))
785: if(vfile_name->string()!=NONAME_DAT) {
786: VHash& vhash=*NEW VHash(pool());
787: vhash.hash().put(*content_disposition_filename_name, vfile_name);
788: response.fields().put(*content_disposition_name, &vhash);
789: }
1.49 paf 790:
1.62 paf 791: // prepare header: $response:fields without :body
1.73 paf 792: response.fields().for_each(add_header_attribute, /*excluding*/ body_name);
1.50 paf 793:
1.62 paf 794: // prepare...
1.90 paf 795: const void *body=body_file.value_ptr();
796: size_t content_length=body_file.value_size();
1.50 paf 797:
1.62 paf 798: // prepare header: content-length
1.65 paf 799: if(content_length) { // useful for redirecting [header "location: http://..."]
800: char content_length_cstr[MAX_NUMBER];
1.108 paf 801: snprintf(content_length_cstr, MAX_NUMBER, "%u", content_length);
1.69 paf 802: SAPI::add_header_attribute(pool(), "content-length", content_length_cstr);
1.65 paf 803: }
1.62 paf 804:
805: // send header
1.69 paf 806: SAPI::send_header(pool());
1.71 paf 807:
1.62 paf 808: // send body
809: if(!header_only)
1.69 paf 810: SAPI::send_body(pool(), body, content_length);
1.50 paf 811: }
1.104 paf 812:
813: const String& Request::mime_type_of(const char *user_file_name_cstr) {
814: if(mime_types)
815: if(const char *cext=strrchr(user_file_name_cstr, '.')) {
816: String sext(pool(), ++cext);
817: if(mime_types->locate(0, sext))
818: if(const String *result=mime_types->item(1))
819: return *result;
820: else
821: THROW(0, 0,
822: mime_types->origin_string(),
823: "MIME-TYPE table column elements must not be empty");
824: }
825: return *NEW String(pool(), "application/octet-stream");
1.158 parser 826: }
827:
828: unsigned char *Request::pcre_tables() {
1.159 parser 829: if(unsigned char *result=(unsigned char *)CTYPE.get(pool().get_charset()))
830: return result;
1.158 parser 831:
832: return pcre_default_tables;
1.133 parser 833: }
E-mail: