Annotation of parser3/src/main/pa_request.C, revision 1.446
1.54 paf 1: /** @file
1.55 paf 2: Parser: request class main part. @see compile.C and execute.C.
3:
1.439 moko 4: Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com)
1.418 moko 5: Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru>
1.218 paf 6: */
1.55 paf 7:
1.69 paf 8: #include "pa_sapi.h"
1.53 paf 9: #include "pa_common.h"
1.441 moko 10: #include "pa_dir.h"
1.372 moko 11: #include "pa_os.h"
1.1 paf 12: #include "pa_request.h"
1.3 paf 13: #include "pa_wwrapper.h"
14: #include "pa_vclass.h"
1.31 paf 15: #include "pa_globals.h"
1.30 paf 16: #include "pa_vint.h"
1.297 misha 17: #include "pa_vmethod_frame.h"
1.32 paf 18: #include "pa_types.h"
1.248 paf 19: #include "pa_venv.h"
20: #include "pa_vmath.h"
21: #include "pa_vstatus.h"
22: #include "pa_vrequest.h"
1.78 paf 23: #include "pa_vtable.h"
1.90 paf 24: #include "pa_vfile.h"
1.147 parser 25: #include "pa_dictionary.h"
1.208 paf 26: #include "pa_charset.h"
1.186 paf 27: #include "pa_charsets.h"
1.248 paf 28: #include "pa_cache_managers.h"
1.402 moko 29: #include "pa_http.h"
1.248 paf 30: #include "pa_vmail.h"
31: #include "pa_vform.h"
32: #include "pa_vcookie.h"
33: #include "pa_vresponse.h"
34: #include "pa_vmemory.h"
1.253 paf 35: #include "pa_vconsole.h"
1.267 paf 36: #include "pa_vdate.h"
1.424 moko 37: #include "pa_varray.h"
1.159 parser 38:
1.446 ! moko 39: volatile const char * IDENT_PA_REQUEST_C="$Id: pa_request.C,v 1.445 2026/09/26 17:41:10 moko Exp $" IDENT_PA_REQUEST_H IDENT_PA_REQUEST_CHARSETS_H IDENT_PA_REQUEST_INFO_H IDENT_PA_VCONSOLE_H;
1.329 moko 40:
1.248 paf 41: // consts
42:
1.269 paf 43: #define UNHANDLED_EXCEPTION_METHOD_NAME "unhandled_exception"
1.207 paf 44:
1.82 paf 45: /// content type of response when no $MAIN:defaults.content-type defined
1.248 paf 46: const char* DEFAULT_CONTENT_TYPE="text/html";
47:
1.446 ! moko 48: const int LOOP_LIMIT=100000;
! 49: const int ARRAY_LIMIT=1000000;
! 50: const int EXECUTE_RECURSION_LIMIT=1000;
! 51: const int EXECUTE_RECURSION_RESERVE=100;
! 52: const int HTTPD_TIMEOUT=4;
1.369 moko 53: const size_t FILE_SIZE_LIMIT=512*1024*1024;
1.361 moko 54:
1.248 paf 55: // defines for globals
56:
57: #define MAIN_METHOD_NAME "main"
58: #define AUTO_METHOD_NAME "auto"
1.364 moko 59: #define USE_METHOD_NAME "use"
1.309 misha 60: #define AUTOUSE_METHOD_NAME "autouse"
1.364 moko 61:
62: #define ORIGIN_KEY "origin"
63:
1.248 paf 64: // globals
65:
66: const String main_method_name(MAIN_METHOD_NAME);
67: const String auto_method_name(AUTO_METHOD_NAME);
1.364 moko 68: static const String use_method_name(USE_METHOD_NAME);
69: static const String autouse_method_name(AUTOUSE_METHOD_NAME);
1.311 misha 70:
1.364 moko 71: static const String origin_key(ORIGIN_KEY);
72:
1.369 moko 73: int pa_loop_limit=LOOP_LIMIT;
1.425 moko 74: int pa_array_limit=ARRAY_LIMIT;
1.427 moko 75: int pa_execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
1.390 moko 76: int pa_httpd_timeout=HTTPD_TIMEOUT;
1.369 moko 77: size_t pa_file_size_limit=FILE_SIZE_LIMIT;
1.361 moko 78:
1.248 paf 79: // defines for statics
80:
81: #define MIME_TYPES_NAME "MIME-TYPES"
82: #define CLASS_PATH_NAME "CLASS_PATH"
83:
1.344 moko 84: #define DOWNLOAD_NAME_UPPER "DOWNLOAD"
85: #define BODY_NAME_UPPER "BODY"
86:
1.248 paf 87: // statics
88:
89: static const String main_class_name(MAIN_CLASS_NAME);
90: static const String mime_types_name(MIME_TYPES_NAME);
1.395 moko 91: static const String class_path_name(CLASS_PATH_NAME);
1.361 moko 92:
1.395 moko 93: static const String charsets_name("CHARSETS");
94: static const String strict_vars_name("STRICT-VARS");
95: static const String prototype_name("OBJECT-PROTOTYPE");
1.415 moko 96: static const String getter_protected_name("CLASS-GETTER-PROTECTED");
97: static const String locals_name("LOCALS");
1.395 moko 98: static const String limits_name("LIMITS");
99: static const String loop_limit_name("max_loop");
1.425 moko 100: static const String array_limit_name("max_array_size");
1.427 moko 101: static const String recursion_limit_name("max_recursion");
1.395 moko 102: static const String file_size_limit_name("max_file_size");
103: static const String lock_wait_timeout_name("lock_wait_timeout");
104: static const String httpd_name("HTTPD");
105: static const String httpd_timeout_name("timeout");
1.402 moko 106: static const String httpd_mode_name("mode");
1.395 moko 107:
108: static const String conf_method_name("conf");
109: static const String post_process_method_name("postprocess");
110: static const String response_body_file_name("file");
1.248 paf 111:
1.344 moko 112: static const String download_name_upper(DOWNLOAD_NAME_UPPER);
113: static const String body_name_upper(BODY_NAME_UPPER);
114:
115: // more static
116:
117: static const String content_type_name_upper(HTTP_CONTENT_TYPE_UPPER);
118: static const String content_disposition_name_upper(CONTENT_DISPOSITION_UPPER);
1.392 moko 119: static const String content_disposition_inline(CONTENT_DISPOSITION_INLINE);
1.344 moko 120: static const String content_disposition_attachment(CONTENT_DISPOSITION_ATTACHMENT);
121:
1.420 moko 122: const String content_disposition_filename_name(CONTENT_DISPOSITION_FILENAME_NAME);
123: const String content_disposition_filename_name_asterisk("filename*");
124:
1.248 paf 125: // defines
1.82 paf 126:
1.344 moko 127: #define CHARSET_NAME_UPPER "CHARSET"
128: #define LAST_MODIFIED_NAME_UPPER "LAST-MODIFIED"
129:
1.233 paf 130: // op.C
1.248 paf 131: VStateless_class& VClassMAIN_create();
1.123 paf 132:
1.157 parser 133: //
1.445 moko 134: void Request::recursion_limit_reached() {
135: if(execute_recursion_limit>pa_execute_recursion_limit)
136: throw Recursion_limit_exception();
137:
138: execute_recursion_limit+=EXECUTE_RECURSION_RESERVE;
139: throw Exception(PARSER_RUNTIME, 0, "call canceled - endless recursion detected");
140: }
141:
1.408 moko 142: Request::Request(SAPI_Info& asapi_info, Request_info& arequest_info, String::Language adefault_lang):
1.248 paf 143: // private
1.427 moko 144: anti_endless_execute_recursion(0),
1.445 moko 145: execute_recursion_limit(pa_execute_recursion_limit),
1.248 paf 146:
147: // public
1.335 moko 148: allow_class_replace(false),
1.248 paf 149: method_frame(0),
150: rcontext(0),
151: wcontext(0),
152: flang(adefault_lang),
1.191 paf 153: fconnection(0),
1.371 moko 154: fin_cycle(0),
1.307 misha 155: fskip(SKIP_NOTHING),
1.248 paf 156:
157: // public
1.257 paf 158: request_info(arequest_info),
1.248 paf 159: sapi_info(asapi_info),
1.359 moko 160: charsets(pa_UTF8_charset, pa_UTF8_charset, pa_UTF8_charset), // default charsets
1.248 paf 161:
162: main_class(VClassMAIN_create()),
1.260 paf 163: form(*new VForm(charsets, arequest_info)),
1.248 paf 164: mail(*new VMail),
165: response(*new VResponse(arequest_info, charsets)),
1.298 misha 166: cookie(*new VCookie(charsets, arequest_info)),
1.285 misha 167: console(*new VConsole),
1.248 paf 168:
169: // private
170: configure_admin_done(false),
171:
172: // private defaults
173: fdefault_lang(adefault_lang),
174: // private mime types
175: mime_types(0)
1.157 parser 176: {
1.261 paf 177: pa_register_thread_request(*this);
178:
1.248 paf 179: // file_no=0 => unknown
1.434 moko 180: file_list+=String::Body("UNKNOWN");
181: file_list+=String::Body("-body of process-"); // pseudo_file_no__process
1.186 paf 182:
1.178 paf 183: // maybe expire old caches
1.264 paf 184: cache_managers->maybe_expire();
1.178 paf 185:
1.157 parser 186: /// directly used
1.233 paf 187: // MAIN class, operators
1.353 moko 188: put_class(&main_class);
1.157 parser 189: // classes:
190: // table, file, random, mail, image, ...
1.248 paf 191: methoded_array().register_directly_used(*this);
1.157 parser 192:
193: /// methodless
1.354 moko 194:
1.157 parser 195: // env class
1.353 moko 196: put_class(new VEnv(asapi_info));
1.175 paf 197: // status class
1.353 moko 198: put_class(new VStatus());
1.157 parser 199: // request class
1.353 moko 200: put_class(new VRequest(arequest_info, charsets, form, asapi_info));
1.157 parser 201: // cookie class
1.353 moko 202: put_class(&cookie);
1.253 paf 203: // console class
1.353 moko 204: put_class(&console);
1.354 moko 205:
1.157 parser 206: /// methoded
1.354 moko 207:
1.157 parser 208: // response class
1.353 moko 209: put_class(&response);
1.157 parser 210: // form class
1.353 moko 211: put_class(&form);
1.213 paf 212: // mail class
1.353 moko 213: put_class(&mail);
1.157 parser 214: // math class
1.353 moko 215: put_class(new VMath);
1.248 paf 216: // memory class
1.353 moko 217: put_class(new VMemory);
1.117 paf 218: }
1.192 paf 219:
220: Request::~Request() {
221: #ifdef XML
222: // if for some strange reason xml generic errors failed to be reported, free them up
1.248 paf 223: if(const char* xml_generic_errors=xmlGenericErrors()) {
224: SAPI::log(sapi_info, "warning: unreported xmlGenericErrors: %s", xml_generic_errors);
1.341 moko 225: pa_free((void *)xml_generic_errors);
1.192 paf 226: }
227: #endif
228: }
1.236 paf 229:
1.248 paf 230: Value& Request::get_self() { return method_frame/*always have!*/->self(); }
1.192 paf 231:
1.355 moko 232: VStateless_class* Request::get_class(const String& name){
233: VStateless_class* result=classes().get(name);
1.313 misha 234: if(!result)
1.375 moko 235: if(const Method *method=main_class.get_element_method(autouse_method_name)){
1.364 moko 236: Value *vname=new VString(name);
237: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
238: frame.store_params(&vname, 1);
239: // we don't need the result
240: call(frame);
241: });
242: result=classes().get(name);
243: }
1.309 misha 244: return result;
245: }
246:
1.411 moko 247: VStateless_class& Request::get_class_ref(const String& name){
248: VStateless_class* result=get_class(name);
249: if(!result)
250: throw Exception(PARSER_RUNTIME, &name, "class is undefined");
251: return *result;
252: }
253:
1.424 moko 254: bool Request::add_class(const char* atype, VStateless_class *aclass){
1.436 moko 255: if(!classes().put_dont_replace(String::Body(atype), aclass))
256: return true;
1.437 moko 257: if(!allow_class_replace && strcmp(atype, VARRAY_TYPE))
258: return false;
1.436 moko 259: classes().remove(String::Body(atype));
1.424 moko 260: classes().put(atype, aclass);
261: return true;
262: }
263:
1.356 moko 264: static void load_charset(HashStringValue::key_type akey, HashStringValue::value_type avalue, Request_charsets* charsets) {
1.359 moko 265: pa_charsets.load_charset(*charsets, akey, avalue->as_string());
1.208 paf 266: }
1.356 moko 267:
1.395 moko 268:
269: #define CONF_OPTION(config, name, code, exception_name) \
270: if(config) \
271: if(Value* option=config->get_element(name)) { \
272: if(option->is_evaluated_expr()) { \
273: code; \
274: } else \
1.415 moko 275: throw Exception(PARSER_RUNTIME, 0, "$MAIN:" exception_name, name.cstr()); \
1.395 moko 276: }
277:
1.248 paf 278: void Request::configure_admin(VStateless_class& conf_class) {
1.208 paf 279: if(configure_admin_done)
1.356 moko 280: throw Exception(PARSER_RUNTIME, 0, "parser already configured");
1.208 paf 281: configure_admin_done=true;
282:
1.227 paf 283: // charsets must only be specified in method_frame config
1.208 paf 284: // so that users would not interfere
285:
286: /* $MAIN:CHARSETS[
287: $.charsetname1[/full/path/to/charset/file.cfg]
288: ...
289: ]
290: */
1.308 misha 291: if(Value* vcharsets=conf_class.get_element(charsets_name)) {
1.342 moko 292: if(!vcharsets->is_string()) {
1.248 paf 293: if(HashStringValue* charsets=vcharsets->get_hash())
1.281 paf 294: charsets->for_each<Request_charsets*>(load_charset, &this->charsets);
1.240 paf 295: else
1.415 moko 296: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be hash", charsets_name.cstr());
1.342 moko 297: }
1.208 paf 298: }
299:
1.330 moko 300: #ifdef STRICT_VARS
1.332 moko 301: VVoid::strict_vars=false;
1.330 moko 302: if(Value* strict_vars=conf_class.get_element(strict_vars_name)) {
303: if(strict_vars->is_bool())
304: VVoid::strict_vars=strict_vars->as_bool();
1.357 moko 305: else
1.415 moko 306: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", strict_vars_name.cstr());
1.357 moko 307: }
308: #endif
309:
310: #ifdef OBJECT_PROTOTYPE
311: VClass::prototype=true;
312: if(Value* prototype=conf_class.get_element(prototype_name)) {
313: if(prototype->is_bool())
314: VClass::prototype=prototype->as_bool();
315: else
1.415 moko 316: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", prototype_name.cstr());
1.330 moko 317: }
318: #endif
319:
1.415 moko 320: #ifdef CLASS_GETTER_UNPROTECTED
321: VClass::getter_protected=true;
322: if(Value* getter_protected=conf_class.get_element(getter_protected_name)) {
323: if(getter_protected->is_bool())
324: VClass::getter_protected=getter_protected->as_bool();
325: else
326: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", getter_protected_name.cstr());
327: }
328: #endif
329:
330: VStateless_class::gall_vars_local=false;
331: if(Value* locals=conf_class.get_element(locals_name)) {
332: if(locals->is_bool()){
333: VStateless_class::gall_vars_local=locals->as_bool();
334: main_class.set_all_vars_local();
335: } else
336: throw Exception(PARSER_RUNTIME, 0, "$MAIN:%s must be bool", locals_name.cstr());
337: }
338:
1.362 moko 339: Value* limits=conf_class.get_element(limits_name);
340:
1.361 moko 341: pa_loop_limit=LOOP_LIMIT;
1.395 moko 342: CONF_OPTION(limits, loop_limit_name, {
343: pa_loop_limit=option->as_int();
344: if(pa_loop_limit==0) pa_loop_limit=INT_MAX;
345: }, "LIMITS.%s must be int");
1.361 moko 346:
1.425 moko 347: pa_array_limit=ARRAY_LIMIT;
348: CONF_OPTION(limits, array_limit_name, {
349: pa_array_limit=option->as_int();
350: if(pa_array_limit==0) pa_array_limit=INT_MAX;
351: }, "LIMITS.%s must be int");
352:
1.427 moko 353: pa_execute_recursion_limit=EXECUTE_RECURSION_LIMIT;
354: CONF_OPTION(limits, recursion_limit_name, {
355: pa_execute_recursion_limit=option->as_int();
1.445 moko 356: if(pa_execute_recursion_limit<=0) pa_execute_recursion_limit=INT_MAX;
357: pa_execute_recursion_limit=min(pa_execute_recursion_limit, INT_MAX-EXECUTE_RECURSION_RESERVE);
1.395 moko 358: }, "LIMITS.%s must be int");
1.445 moko 359: execute_recursion_limit=pa_execute_recursion_limit;
1.390 moko 360:
1.369 moko 361: pa_file_size_limit=FILE_SIZE_LIMIT;
1.395 moko 362: CONF_OPTION(limits, file_size_limit_name, {
363: double limit=option->as_double();
364: if(limit >= (double)SSIZE_MAX)
1.426 moko 365: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %.15g", file_size_limit_name.cstr(), (double)SSIZE_MAX);
1.395 moko 366: pa_file_size_limit=(size_t)limit;
367: if(pa_file_size_limit==0)
368: pa_file_size_limit=SSIZE_MAX;
369: }, "LIMITS.%s must be number");
1.361 moko 370:
1.372 moko 371: pa_lock_attempts=PA_LOCK_ATTEMPTS;
1.395 moko 372: CONF_OPTION(limits, lock_wait_timeout_name, {
373: double limit=option->as_double();
374: if(limit >= 3600*24)
1.426 moko 375: throw Exception(PARSER_RUNTIME, 0, "$MAIN:LIMITS.%s must be less than %d", lock_wait_timeout_name.cstr(), 3600*24);
1.395 moko 376: pa_lock_attempts=(unsigned int)(limit*2)+1;
377: }, "LIMITS.%s must be number");
378:
379: Value* httpd=conf_class.get_element(httpd_name);
380:
381: pa_httpd_timeout=HTTPD_TIMEOUT;
382: CONF_OPTION(httpd, httpd_timeout_name, {
383: pa_httpd_timeout=option->as_int();
384: if(pa_httpd_timeout==0) pa_httpd_timeout=INT_MAX;
385: }, "HTTPD.%s must be int");
1.372 moko 386:
1.403 moko 387: if(httpd)
388: if(Value* option=httpd->get_element( httpd_mode_name)) {
389: if(option->get_junction())
1.415 moko 390: throw Exception(PARSER_RUNTIME, 0, "$MAIN:HTTPD:mode must be string");
1.403 moko 391: HTTPD_Server::set_mode(option->as_string());
392: }
1.402 moko 393:
1.227 paf 394: // configure method_frame options
1.208 paf 395: // until someone with less privileges have overriden them
1.248 paf 396: methoded_array().configure_admin(*this);
1.208 paf 397: }
1.150 parser 398:
1.442 moko 399: const char* Request::get_exception_cstr(const Exception& e, VException& details) {
1.349 moko 400:
1.269 paf 401: #define PA_URI_FORMAT "%s: "
1.349 moko 402: #define PA_COMMENT_TYPE_FORMAT "%s [%s]"
403:
1.269 paf 404: #define PA_ORIGIN_FILE_POS_FORMAT "%s(%d:%d): "
405: #define PA_SOURCE_FORMAT "'%s' "
1.349 moko 406:
407: #define PA_ORIGIN_FILE_POS_VALUE file_list[details.origin.file_no].cstr(), 1+details.origin.line, 1+details.origin.col,
408: #define PA_SOURCE_VALUE details.problem_source->cstr(),
409:
410: #define EXCEPTION_CSTR(f1,v1,f2,v2) \
411: snprintf(result, MAX_STRING, \
412: PA_URI_FORMAT \
413: f1 f2 \
414: PA_COMMENT_TYPE_FORMAT, \
415: request_info.uri, \
416: v1 v2 \
417: e.comment(), e.type() \
418: );
419:
1.269 paf 420: char* result=new(PointerFreeGC) char[MAX_STRING];
421:
422: if(details.problem_source) { // do we know the guy?
1.349 moko 423: if(details.origin.file_no) // do whe know where he came from?
424: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE, PA_SOURCE_FORMAT, PA_SOURCE_VALUE)
425: else
426: EXCEPTION_CSTR(PA_SOURCE_FORMAT, PA_SOURCE_VALUE,,)
427: } else {
428: if(details.origin.file_no) // do whe know where he came from?
429: EXCEPTION_CSTR(PA_ORIGIN_FILE_POS_FORMAT, PA_ORIGIN_FILE_POS_VALUE,,)
430: else
431: EXCEPTION_CSTR(,,,)
432: }
1.269 paf 433:
434: return result;
435: }
1.272 paf 436:
1.444 moko 437: Table &Request::Exception_trace::table(Request &r, const String* problem_source, size_t bottom, size_t top){
1.407 moko 438: // $stack[^table::create{name file lineno colno}]
439: Table::columns_type stack_trace_columns(new ArrayString);
440: *stack_trace_columns+=new String("name");
441: *stack_trace_columns+=new String("file");
442: *stack_trace_columns+=new String("lineno");
443: *stack_trace_columns+=new String("colno");
444: Table& stack_trace=*new Table(stack_trace_columns);
445:
1.444 moko 446: if(bottom<top)
447: for(size_t i=bottom+(get(bottom).name()==problem_source); i<top; i++) {
1.407 moko 448: Trace trace=get(i);
449: Table::element_type row(new ArrayString);
450:
451: *row+=trace.name(); // name column
452: Operation::Origin origin=trace.origin();
453: if(origin.file_no) {
454: *row+=new String(r.file_list[origin.file_no], String::L_TAINTED); // 'file' column
1.422 moko 455: *row+=new String(pa_uitoa(1+origin.line), String::L_CLEAN); // 'lineno' column
456: *row+=new String(pa_uitoa(1+origin.col), String::L_CLEAN); // 'colno' column
1.407 moko 457: }
458: stack_trace+=row;
459: }
460:
461: return stack_trace;
462: }
463:
1.272 paf 464: void Request::configure() {
465: // configure admin options if not configured yet
466: if(!configure_admin_done)
467: configure_admin(main_class);
468:
469: // $MAIN:MIME-TYPES
1.308 misha 470: if(Value* element=main_class.get_element(mime_types_name))
1.272 paf 471: if(Table *table=element->get_table())
1.395 moko 472: mime_types=table;
1.272 paf 473: }
1.408 moko 474:
1.64 paf 475: /**
476: load MAIN class, execute @main.
477: MAIN class consists of all the auto.p files we'd manage to find
478: plus
479: the file user requested us to process
480: all located classes become children of one another,
481: composing class we name 'MAIN'
1.180 paf 482:
483: @test log stack trace
484:
1.64 paf 485: */
1.412 moko 486: void Request::core(const char* config_filespec, bool header_only, const String &amain_method_name, const String* amain_class_name) {
1.169 parser 487: try {
1.211 paf 488: // loading config
1.384 moko 489: if(config_filespec)
1.387 moko 490: use_file_directly(*new String(config_filespec));
1.8 paf 491:
1.338 moko 492: // filling mail received
493: mail.fill_received(*this);
494:
1.272 paf 495: try {
496: // compile requested file
1.389 moko 497: if(request_info.path_translated)
498: use_file_directly(*new String(request_info.path_translated, String::L_TAINTED), true, true /* load auto.p files */);
1.272 paf 499: configure();
500: } catch(...) {
501: configure(); // configure anyway, useful in @unhandled_exception [say, if they would want to mail by SMTP something]
502: rethrow;
503: }
1.25 paf 504:
1.412 moko 505: VStateless_class& main = amain_class_name ? get_class_ref(*amain_class_name) : main_class;
1.25 paf 506: // execute @main[]
1.412 moko 507: const String* body_string=amain_method_name.is_empty() ? &String::Empty : execute_method(main, amain_method_name);
1.41 paf 508: if(!body_string)
1.412 moko 509: throw Exception(PARSER_RUNTIME, &amain_method_name, "method not found in class %s", main.type());
1.79 paf 510:
1.250 paf 511: // extract response body
1.344 moko 512: Value* body_value=response.fields().get(download_name_upper); // $response:download?
1.430 moko 513: bool as_attachment=body_value!=0;
1.250 paf 514: if(!body_value)
1.344 moko 515: body_value=response.fields().get(body_name_upper); // $response:body
1.250 paf 516: if(!body_value)
517: body_value=new VString(*body_string); // just result of ^main[]
518:
1.119 paf 519: // @postprocess
1.383 moko 520: if(const Method *method=main_class.get_method(post_process_method_name)) {
521: METHOD_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
522: frame.store_params(&body_value, 1);
523: call(frame);
524: body_value=&frame.result();
525: });
526: }
1.90 paf 527:
1.430 moko 528: // can throw exceptions while handling $response:download[]
529: output_result(body_value->as_vfile(flang, &charsets), header_only, as_attachment);
1.171 parser 530: } catch(const Exception& e) { // request handling problem
1.258 paf 531:
1.445 moko 532: // OK, as native execution stack has unwound
533: anti_endless_execute_recursion=0;
534:
1.431 moko 535: // we're returning not result, but error explanation
1.442 moko 536: VException& details=*new VException(*this, e);
1.431 moko 537: const char* exception_cstr=get_exception_cstr(e, details);
538:
539: // reset language to default
540: flang=fdefault_lang;
541: // reset response
542: response.fields().clear();
543: SAPI::clear_headers(sapi_info);
1.407 moko 544:
1.431 moko 545: // this is what we'd return in $response:body
546: const String* body_string=0;
1.407 moko 547:
1.431 moko 548: try {
1.407 moko 549: // maybe we'd be lucky enough as to report an error in a gracefull way...
550: if(const Method *method=main_class.get_method(*new String(UNHANDLED_EXCEPTION_METHOD_NAME))) {
551: // preparing parameters to @unhandled_exception[exception;stack]
552:
1.443 moko 553: Table& stack_trace=exception_trace.table(*this, details.problem_source);
1.444 moko 554: details.expire_trace();
1.407 moko 555: exception_trace.clear(); // forget all about previous life, in case there would be error inside of this method, error handled would not be mislead by old stack contents (see extract_origin)
556:
1.442 moko 557: Value *params[]={&details, new VTable(&stack_trace)};
1.407 moko 558: METHOD_FRAME_ACTION(*method, 0 /*no caller*/, main_class, {
559: frame.store_params(params, 2);
560: call(frame);
561: body_string=&frame.result().as_string();
562: });
563: }
1.383 moko 564:
1.407 moko 565: // conditionally log it
1.442 moko 566: Value* vhandled=details.handled();
1.407 moko 567: if(!vhandled || !vhandled->as_bool()) {
568: SAPI::log(sapi_info, "%s", exception_cstr);
569: }
1.431 moko 570: } catch(const Exception& e) { // exception in @unhandled_exception
1.442 moko 571: VException& details=*new VException(*this, e);
1.431 moko 572: // logging both initial and new exceptions
573: SAPI::log(sapi_info, "%s", exception_cstr);
574: SAPI::log(sapi_info, "Exception in @unhandled_exception at %s", get_exception_cstr(e, details));
575: SAPI::send_error(sapi_info, "Exception in @unhandled_exception, details are available in Parser error log.");
576: return;
577: }
1.383 moko 578:
1.431 moko 579: if(body_string) { // could report an error beautifully?
580: VString body_vstring(*body_string);
581: output_result(body_vstring.as_vfile(flang, &charsets), header_only, false);
582: } else {
583: // doing that ugly
584: SAPI::send_error(sapi_info, exception_cstr, strcmp(e.type(), "file.missing") ? "500" : "404");
1.268 paf 585: }
1.1 paf 586: }
587: }
588:
1.266 paf 589: uint Request::register_file(String::Body file_spec) {
1.248 paf 590: file_list+=file_spec;
591: return file_list.count()-1;
592: }
593:
1.387 moko 594: void Request::use_file_directly(const String& file_spec, bool fail_on_file_absence, bool with_auto_p) {
1.73 paf 595: // cyclic dependence check
1.318 misha 596: if(used_files.get(file_spec))
1.248 paf 597: return;
1.318 misha 598: used_files.put(file_spec, true);
599:
1.385 moko 600: if(!fail_on_file_absence && !entry_exists(file_spec)) // ignore file absence if asked for
601: return;
1.318 misha 602:
1.386 moko 603: if(with_auto_p) {
604: // loading auto.p files from document_root/..
605: // to the one beside requested file.
606: // all assigned bases from upper dir
607: const char* target=file_spec.cstr();
608:
609: // all relative paths are calculated from main document
610: request_info.path_translated=target;
611:
612: const char* after=target;
613: size_t drlen=strlen(request_info.document_root);
614: if(memcmp(after, request_info.document_root, drlen)==0) {
615: after+=drlen;
616: if(after[-1]=='/')
617: --after;
618: }
619:
620: while(const char* before=strchr(after, '/')) {
621: String& sfile_spec=*new String;
622: if(after!=target) {
623: sfile_spec.append_strdup(target, before-target, String::L_CLEAN);
624: sfile_spec << "/" AUTO_FILE_NAME;
625:
1.387 moko 626: use_file_directly(sfile_spec, false /*ignore absence, sole user*/);
1.386 moko 627: }
628: for(after=before+1;*after=='/';after++);
629: }
630: }
631:
1.385 moko 632: if(const char* source=file_read_text(charsets, file_spec, true))
1.387 moko 633: use_buf(main_class, source, 0, register_file(file_spec));
1.318 misha 634: }
635:
636:
1.387 moko 637: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, bool with_auto_p) {
1.326 misha 638: if(file_name.is_empty())
1.366 moko 639: throw Exception(PARSER_RUNTIME, 0, "usage failed - no filename was specified");
1.326 misha 640:
1.318 misha 641: const String* filespec=0;
642:
643: if(file_name.first_char()=='/') //absolute path? [no need to scan MAIN:CLASS_PATH]
1.388 moko 644: filespec=&full_disk_path(file_name);
1.318 misha 645: else if(use_filespec){ // search in current dir first
1.331 misha 646: size_t last_slash_pos=use_filespec->strrpbrk("/");
647: if(last_slash_pos!=STRING_NOT_FOUND)
648: filespec=file_exist(use_filespec->mid(0, last_slash_pos), file_name); // found in current dir?
1.318 misha 649: }
650:
651: if(!filespec){
652: // prevent multiple scan CLASS_PATH for searching one file
653: if(searched_along_class_path.get(file_name))
654: return;
655: searched_along_class_path.put(file_name, true);
1.308 misha 656: if(Value* element=main_class.get_element(class_path_name)) {
1.233 paf 657: if(element->is_string()) {
1.388 moko 658: filespec=file_exist(full_disk_path(element->as_string()), file_name); // found at class_path?
1.233 paf 659: } else if(Table *table=element->get_table()) {
1.318 misha 660: for(size_t i=table->count(); i--; ) {
1.248 paf 661: const String& path=*(*table->get(i))[0];
1.388 moko 662: if(filespec=file_exist(full_disk_path(path), file_name))
1.233 paf 663: break; // found along class_path
664: }
665: } else
1.366 moko 666: throw Exception(PARSER_RUNTIME, 0, "$" CLASS_PATH_NAME " must be string or table");
1.318 misha 667: if(!filespec)
1.415 moko 668: throw Exception(PARSER_RUNTIME, &file_name, "not found along $MAIN:" CLASS_PATH_NAME);
1.318 misha 669: } else
1.415 moko 670: throw Exception(PARSER_RUNTIME, &file_name, "usage failed - no $MAIN:" CLASS_PATH_NAME " were specified");
1.148 parser 671: }
1.230 paf 672:
1.387 moko 673: use_file_directly(*filespec, true, with_auto_p);
1.16 paf 674: }
675:
1.364 moko 676: void Request::use_file(const String& file_name, const String* use_filespec/*absolute*/, Operation::Origin origin) {
1.349 moko 677: static String use("USE");
678: try {
1.364 moko 679: static VHash* voptions=new VHash();
1.376 moko 680: if(const Method *method=main_class.get_method(use_method_name)){
1.364 moko 681: Value *params[]={new VString(file_name), voptions};
682: voptions->hash().put(origin_key, new VString(*use_filespec));
683:
684: CONSTRUCTOR_FRAME_ACTION(*method, 0 /*no parent*/, main_class, {
685: frame.store_params(params, 2);
686: // we don't need the result
687: call(frame);
688: });
689: }
1.349 moko 690: } catch (...) {
691: exception_trace.push(Trace(&use, origin));
692: rethrow;
693: }
694: }
1.208 paf 695:
1.358 moko 696: void Request::use_buf(VStateless_class& aclass, const char* source, const String* main_alias, uint file_no, int line_no_offset) {
697: // temporary zero @conf to avoid it second execution
1.248 paf 698: Temp_method temp_method_conf(aclass, conf_method_name, 0);
1.358 moko 699: // temporary zero @auto to avoid it second execution
1.248 paf 700: Temp_method temp_method_auto(aclass, auto_method_name, 0);
1.233 paf 701:
1.295 misha 702: // compile loaded classes
703: ArrayClass& cclasses=compile(&aclass, source, main_alias, file_no, line_no_offset);
1.212 paf 704:
1.248 paf 705: VString* vfilespec=
1.435 moko 706: new VString(file_list[file_no]);
1.295 misha 707:
708: for(size_t i=0; i<cclasses.count(); i++){
709: VStateless_class& cclass=*cclasses.get(i);
1.296 misha 710:
711: // locate and execute possible @conf[] static
1.382 moko 712: if(execute_method_if_exists(cclass, conf_method_name, vfilespec))
1.295 misha 713: configure_admin(cclass/*, executed.method->name*/);
714:
715: // locate and execute possible @auto[] static
1.419 moko 716: execute_auto_method_if_exists(cclass, auto_method_name, vfilespec);
1.336 moko 717:
718: cclass.enable_default_setter();
1.295 misha 719: }
1.19 paf 720: }
721:
1.248 paf 722: const String& Request::relative(const char* apath, const String& relative_name) {
1.341 moko 723: char *hpath=pa_strdup(apath);
1.248 paf 724: String& result=*new String;
725: if(rsplit(hpath, '/')) // if something/splitted
1.217 paf 726: result << hpath << "/";
1.248 paf 727: result << relative_name;
728: return result;
1.19 paf 729: }
730:
1.388 moko 731: const String& Request::full_disk_path(const String& relative_name) {
1.441 moko 732: if(is_os_absolute_path(relative_name))
733: return relative_name;
1.217 paf 734: if(relative_name.first_char()=='/') {
1.341 moko 735: String& result=*new String(pa_strdup(request_info.document_root));
1.104 paf 736: result << relative_name;
1.19 paf 737: return result;
1.389 moko 738: }
1.441 moko 739: if(relative_name.starts_with("http://") || relative_name.starts_with("parser://"))
1.389 moko 740: return relative_name;
741:
742: return relative(request_info.path_translated ? request_info.path_translated : request_info.document_root, relative_name);
1.1 paf 743: }
1.45 paf 744:
1.267 paf 745: #ifndef DOXYGEN
746: class Add_header_attribute_info
747: {
748: public:
749: Add_header_attribute_info(Request& ar) : r(ar), add_last_modified(true) {}
750: Request& r;
751: bool add_last_modified;
752: };
753: #endif
1.344 moko 754: static void add_header_attribute(HashStringValue::key_type name, HashStringValue::value_type value, Add_header_attribute_info* info) {
755: if(name==BODY_NAME_UPPER || name==DOWNLOAD_NAME_UPPER || name==CHARSET_NAME_UPPER)
1.101 paf 756: return;
1.290 misha 757:
1.345 moko 758: if(name==LAST_MODIFIED_NAME_UPPER)
759: info->add_last_modified=false;
760:
1.316 misha 761: const char* aname=String(name, String::L_URI).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets);
1.101 paf 762:
1.267 paf 763: SAPI::add_header_attribute(info->r.sapi_info,
1.345 moko 764: aname,
1.316 misha 765: attributed_meaning_to_string(*value, String::L_URI, false).untaint_and_transcode_cstr(String::L_URI, &info->r.charsets)
1.303 misha 766: );
1.267 paf 767: }
768:
1.366 moko 769: static void output_sole_piece(Request& r, bool header_only, VFile& body_file, Value* body_file_content_type) {
1.267 paf 770: // transcode text body when "text/*" or simple result
771: String::C output(body_file.value_ptr(), body_file.value_size());
772: if(!body_file_content_type/*vstring.as_vfile*/ || body_file_content_type->as_string().pos("text/")==0)
1.366 moko 773: output=Charset::transcode(output, r.charsets.source(), r.charsets.client());
1.267 paf 774:
1.311 misha 775: // prepare header: Content-Length
1.428 moko 776: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(output.length));
1.267 paf 777:
778: // send header
1.430 moko 779: SAPI::send_headers(r.sapi_info);
1.267 paf 780:
781: // send body
782: if(!header_only)
783: SAPI::send_body(r.sapi_info, output.str, output.length);
784: }
785:
786: #ifndef DOXYGEN
787: struct Range
788: {
1.396 moko 789: uint64_t start;
790: uint64_t end;
1.267 paf 791: };
792: #endif
1.396 moko 793:
794: #define UNSET ((uint64_t)-1)
795:
1.313 misha 796: static void parse_range(const String* s, Array<Range> &ar) {
1.267 paf 797: const char *p = s->cstr();
798: if(s->starts_with("bytes="))
799: p += 6;
800: Range r;
801: while(*p){
1.396 moko 802: r.start = UNSET;
803: r.end = UNSET;
1.401 moko 804:
805: while(*p==' ' || *p=='\t') p++;
806:
1.267 paf 807: if(*p >= '0' && *p <= '9'){
1.416 moko 808: const char *n=p;
1.401 moko 809: while(*p>='0' && *p<='9') p++;
1.440 moko 810: r.start = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 811: }
1.401 moko 812:
813: while(*p==' ' || *p=='\t') p++;
814:
1.267 paf 815: if(*p++ != '-') break;
1.401 moko 816:
817: while(*p==' ' || *p=='\t') p++;
818:
1.267 paf 819: if(*p >= '0' && *p <= '9'){
1.416 moko 820: const char *n=p;
1.401 moko 821: while(*p>='0' && *p<='9') p++;
1.440 moko 822: r.end = pa_atoul(pa_strdup(n, p-n)); // ((uint64_t)-1) is treated as UNSET
1.267 paf 823: }
1.401 moko 824:
825: while(*p==' ' || *p=='\t') p++;
826:
827: if(*p)
828: if(*p++ != ',') break;
829:
1.267 paf 830: ar += r;
831: }
1.101 paf 832: }
1.267 paf 833:
1.400 moko 834: struct Send_range_action_info {
835: Request *r;
836: uint64_t offset;
837: uint64_t part_length;
838: };
839:
840: static void send_range(struct stat& /*finfo*/, int f, const String& /*file_spec*/, void *context){
841: Send_range_action_info &info = *(Send_range_action_info*)context;
842:
1.430 moko 843: SAPI::send_headers(info.r->sapi_info);
1.400 moko 844: pa_lseek(f, info.offset, SEEK_SET);
845:
1.432 moko 846: char buf[FILE_BUFFER_SIZE];
1.400 moko 847: do{
1.432 moko 848: size_t to_read = info.part_length < FILE_BUFFER_SIZE ? (size_t)info.part_length : FILE_BUFFER_SIZE;
1.400 moko 849: size_t to_write = file_block_read(f, buf, to_read);
850:
851: if(to_write == 0)
852: break;
853:
854: size_t size = SAPI::send_body(info.r->sapi_info, buf, to_write);
855: if(size != to_write)
856: break;
857:
858: info.part_length -= to_write;
859: } while (info.part_length);
860: }
861:
1.396 moko 862: static void output_pieces(Request& r, bool header_only, const String& filename, uint64_t content_length, Value& date, bool add_last_modified) {
1.315 misha 863: SAPI::add_header_attribute(r.sapi_info, "accept-ranges", "bytes");
1.270 paf 864:
1.339 moko 865: const char *range = SAPI::Env::get(r.sapi_info, "HTTP_RANGE");
1.396 moko 866: uint64_t offset=0;
867: uint64_t part_length=content_length;
1.401 moko 868:
869: if(range && content_length){
1.267 paf 870: Array<Range> ar;
871: parse_range(new String(range), ar);
1.396 moko 872: int count = ar.count();
1.267 paf 873: if(count == 1){
874: Range &rg = ar.get_ref(0);
1.401 moko 875:
876: if(rg.start == UNSET && rg.end == UNSET)
877: return SAPI::send_error(r.sapi_info, "", "416");
878:
1.396 moko 879: if(rg.start == UNSET && rg.end != UNSET){
1.440 moko 880: if(rg.end == 0)
881: return SAPI::send_error(r.sapi_info, "", "416");
1.401 moko 882: if(rg.end > content_length)
883: rg.end = content_length;
1.404 moko 884: rg.start = content_length - rg.end;
885: rg.end = content_length-1;
1.401 moko 886: } else if(rg.start != UNSET && rg.end == UNSET){
887: if(rg.start >= content_length)
888: return SAPI::send_error(r.sapi_info, "", "416");
1.267 paf 889: rg.end = content_length-1;
1.401 moko 890: } else {
891: if(rg.start >= content_length || rg.start > rg.end)
892: return SAPI::send_error(r.sapi_info, "", "416");
893: if(rg.end >= content_length)
894: rg.end = content_length-1;
1.267 paf 895: }
1.401 moko 896:
897: offset = rg.start;
898: part_length = rg.end-rg.start+1;
899:
1.400 moko 900: char buf[MAX_STRING];
901: snprintf(buf, MAX_STRING, "bytes %.15g-%.15g/%.15g", (double)rg.start, (double)rg.end, (double)content_length);
1.401 moko 902: SAPI::add_header_attribute(r.sapi_info, HTTP_STATUS, "206");
1.315 misha 903: SAPI::add_header_attribute(r.sapi_info, "content-range", buf);
1.401 moko 904: } else {
1.410 moko 905: return SAPI::send_error(r.sapi_info, count ? "Multiple ranges are not supported" : "Invalid range", count ? "501" : "400");
1.267 paf 906: }
907: }
908:
1.428 moko 909: SAPI::add_header_attribute(r.sapi_info, HTTP_CONTENT_LENGTH, pa_uitoa(part_length));
1.267 paf 910:
1.314 misha 911: if(add_last_modified)
1.315 misha 912: SAPI::add_header_attribute(r.sapi_info, "last-modified", attributed_meaning_to_string(date, String::L_AS_IS, true).cstr());
1.314 misha 913:
1.414 moko 914: if(header_only){
1.430 moko 915: SAPI::send_headers(r.sapi_info);
1.414 moko 916: } else {
1.400 moko 917: Send_range_action_info info = { &r, offset, part_length};
918: file_read_action_under_lock(r.full_disk_path(filename), "send", send_range, &info);
1.267 paf 919: }
920: }
921:
1.248 paf 922: void Request::output_result(VFile* body_file, bool header_only, bool as_attachment) {
1.51 paf 923: // header: cookies
1.248 paf 924: cookie.output_result(sapi_info);
1.51 paf 925:
1.394 moko 926: // $.file and $.name (when body is real vfile)
927: Value* vfile = body_file->fields().get(response_body_file_name);
928: Value* vname = body_file->fields().get(name_name);
929:
930: const String* sfile = vfile ? &vfile->as_string() : NULL;
931: const String* sname = vname ? &vname->as_string() : NULL;
932:
933: if(sname && *sname == NONAME_DAT)
934: sname = NULL;
1.92 paf 935:
1.409 moko 936: // Content-Disposition, use $.name[<empty>] to avoid
1.394 moko 937: const String* disposition_name = sname ? sname->is_empty() ? NULL : sname : sfile;
938: if(disposition_name) {
1.420 moko 939: String& filename = *new String(pa_filename(disposition_name->cstr()), String::L_URI);
940: String& filename_asterisk = *new String(charsets.client().NAME(), String::L_CLEAN) << (*new String("''")) << filename;
941:
1.394 moko 942: VHash& hash=*new VHash();
943: hash.hash().put(value_name, new VString(as_attachment ? content_disposition_attachment : content_disposition_inline));
1.420 moko 944: hash.hash().put(content_disposition_filename_name, new VString(filename));
945: hash.hash().put(content_disposition_filename_name_asterisk, new VString(filename_asterisk));
1.394 moko 946: response.fields().put(content_disposition_name_upper, &hash);
947: }
1.267 paf 948:
1.394 moko 949: // _file_ content-type might be specified
950: Value* body_file_content_type = body_file->fields().get(content_type_name);
951: if(!body_file_content_type){
952: const String* scontent_name = sname && !sname->is_empty() ? sname : sfile;
953: if(scontent_name)
954: body_file_content_type = new VString(mime_type_of(scontent_name->cstr()));
1.267 paf 955: }
956:
1.312 misha 957: // set Content-Type
1.314 misha 958: if(body_file_content_type) {
959: // body file content type
1.344 moko 960: response.fields().put(content_type_name_upper, body_file_content_type);
1.314 misha 961: } else {
962: // default content type
1.344 moko 963: response.fields().put_dont_replace(content_type_name_upper, new VString(*new String(DEFAULT_CONTENT_TYPE)));
1.314 misha 964: }
1.312 misha 965:
1.314 misha 966: // prepare header: $response:fields without :body, :download and :charset
1.267 paf 967: Add_header_attribute_info info(*this);
1.281 paf 968: response.fields().for_each<Add_header_attribute_info*>(add_header_attribute, &info);
1.50 paf 969:
1.394 moko 970: if(sfile) {
1.314 misha 971: // $response:[download|body][$.file[filespec]] -- optput specified file
1.367 moko 972: uint64_t content_length=0;
1.267 paf 973: time_t atime=0, mtime=0, ctime=0;
1.394 moko 974: file_stat(full_disk_path(*sfile), content_length, atime, mtime, ctime);
1.267 paf 975:
976: VDate* vdate=0;
977: if(Value* v=body_file->fields().get("mdate")) {
1.423 moko 978: vdate=dynamic_cast<VDate*>(v);
979: if(!vdate)
1.286 misha 980: throw Exception(PARSER_RUNTIME, 0, "mdate must be a date");
1.267 paf 981: }
982: if(!vdate)
1.346 moko 983: vdate=new VDate((pa_time_t)mtime);
1.62 paf 984:
1.399 moko 985: output_pieces(*this, header_only, *sfile, content_length, *vdate, info.add_last_modified);
1.267 paf 986: } else {
1.314 misha 987: if(body_file_content_type)
988: if(HashStringValue *hash=body_file_content_type->get_hash())
989: body_file_content_type=hash->get(value_name);
990:
1.366 moko 991: output_sole_piece(*this, header_only, *body_file, body_file_content_type);
1.267 paf 992: }
1.50 paf 993: }
1.104 paf 994:
1.328 misha 995: const String& Request::mime_type_of(const String* file_name) {
996: return mime_type_of(file_name?file_name->taint_cstr(String::L_FILE_SPEC):0);
997: }
998:
1.248 paf 999: const String& Request::mime_type_of(const char* user_file_name_cstr) {
1.104 paf 1000: if(mime_types)
1.248 paf 1001: if(const char* cext=strrchr(user_file_name_cstr, '.')) {
1002: String sext(++cext);
1.246 paf 1003: Table::Action_options options;
1.342 moko 1004: if(mime_types->locate(0, sext.change_case(charsets.source(), String::CC_LOWER), options)) {
1.313 misha 1005: if(const String* result=mime_types->item(1))
1006: return *result;
1.104 paf 1007: else
1.395 moko 1008: throw Exception(PARSER_RUNTIME, 0, MIME_TYPES_NAME " table column elements must not be empty");
1.342 moko 1009: }
1.104 paf 1010: }
1.248 paf 1011:
1012: return *new String("application/octet-stream");
1013: }
1014:
1.365 moko 1015: const String* Request::get_used_filespec(uint file_no){
1.318 misha 1016: if(file_no < file_list.count())
1017: return new String(file_list[file_no], String::L_TAINTED);
1018: return 0;
1019: }
1020:
1.248 paf 1021: #ifdef XML
1.280 paf 1022: xmlChar* Request::transcode(const String& s) {
1.248 paf 1023: return charsets.source().transcode(s);
1024: }
1025:
1.280 paf 1026: xmlChar* Request::transcode(const String::Body s) {
1.248 paf 1027: return charsets.source().transcode(s);
1028: }
1029:
1.280 paf 1030: const String& Request::transcode(const xmlChar* s) {
1.248 paf 1031: return charsets.source().transcode(s);
1.233 paf 1032: }
1.248 paf 1033: #endif
1034:
1.442 moko 1035: VException::VException(Request& r, const Exception& e):
1036: fexception(e), fhandled(&VBool::get(false)),
1.444 moko 1037: ftrace_bottom(r.exception_trace.bottom_index()), ftrace_top(r.exception_trace.top_index()),
1.442 moko 1038: origin(Operation::Origin::create(0, 0, 0)), problem_source(e.problem_source()) {
1039: Request::Exception_trace& exception_trace=r.exception_trace;
1.248 paf 1040:
1.349 moko 1041: if(!exception_trace.is_empty()) {
1.442 moko 1042: Request::Trace bottom=exception_trace.bottom_value();
1.350 moko 1043: origin=bottom.origin();
1.443 moko 1044: if(!problem_source) // we don't know who trigged the bug
1.350 moko 1045: problem_source=bottom.name(); // we usually know source of next-from-throw-point exception did that
1.248 paf 1046: }
1.442 moko 1047: if(origin.file_no)
1048: ffile=r.file_list[origin.file_no];
1049: }
1050:
1051: Value* VException::handled() {
1052: return fhash ? fhash->get(Symbols::HANDLED_SYMBOL) : fhandled;
1053: }
1.248 paf 1054:
1.444 moko 1055: Table& VException::stack(Request& r) {
1056: if(ftrace_top==size_t(-1))
1057: throw Exception(PARSER_RUNTIME, 0, "exception stack used outside of context");
1058: return r.exception_trace.table(r, problem_source, ftrace_bottom, ftrace_top);
1059: }
1060:
1.442 moko 1061: Value* VException::get_element(const String& name) {
1062: if(!fhash) {
1063: if(SYMBOLS_EQ(name,HANDLED_SYMBOL))
1064: return fhandled;
1065: if(SYMBOLS_EQ(name,TYPE_SYMBOL))
1066: return fexception.type(true) ? new VString(*new String(fexception.type())) : 0;
1067: if(SYMBOLS_EQ(name,SOURCE_SYMBOL))
1068: return problem_source ? new VString(*problem_source) : 0;
1069: if(SYMBOLS_EQ(name,COMMENT_SYMBOL))
1070: return fexception.comment(true) ? new VString(fexception.comment()) : 0;
1071: if(SYMBOLS_EQ(name,FILE_SYMBOL))
1072: return origin.file_no ? new VString(ffile) : 0;
1073: if(SYMBOLS_EQ(name,LINENO_SYMBOL))
1074: return origin.file_no ? new VInt(1+origin.line) : 0;
1075: if(SYMBOLS_EQ(name,COLNO_SYMBOL))
1076: return origin.file_no ? new VInt(1+origin.col) : 0;
1077: if(SYMBOLS_EQ(name,FIELDS_SYMBOL))
1078: return this;
1079: }
1080: // Computed field names need not be interned: use ordinary hash lookup.
1081: return VHashReference::get_element(name);
1082: }
1083:
1084: const VJunction* VException::put_element(const String& name, Value* value) {
1085: if(!fhash && SYMBOLS_EQ(name,HANDLED_SYMBOL)) {
1086: fhandled=value;
1087: return 0;
1088: }
1089: return VHashReference::put_element(name, value);
1090: }
1091:
1092: HashStringValue& VException::hash() {
1093: if(fhash)
1094: return *fhash;
1095: HashStringValue& result=*new HashStringValue;
1.248 paf 1096:
1.442 moko 1097: if(const char* type=fexception.type(true))
1098: result.put(Symbols::TYPE_SYMBOL, new VString(*new String(type)));
1.349 moko 1099: if(problem_source)
1.442 moko 1100: result.put(Symbols::SOURCE_SYMBOL, new VString(*problem_source));
1101: if(origin.file_no) {
1102: result.put(Symbols::FILE_SYMBOL, new VString(ffile));
1103: result.put(Symbols::LINENO_SYMBOL, new VInt(1+origin.line));
1104: result.put(Symbols::COLNO_SYMBOL, new VInt(1+origin.col));
1105: }
1106: if(const char* comment=fexception.comment(true))
1107: result.put(Symbols::COMMENT_SYMBOL, new VString(comment));
1108: result.put(Symbols::HANDLED_SYMBOL, fhandled);
1.248 paf 1109:
1.442 moko 1110: fhash=&result;
1111: return result;
1.133 parser 1112: }
1.337 moko 1113:
1114: Temp_value_element::Temp_value_element(Request& arequest, Value& awhere, const String& aname, Value* awhat) :
1115: frequest(arequest),
1116: fwhere(awhere),
1117: fname(aname),
1118: saved(awhere.get_element(aname))
1119: {
1120: Junction* junction;
1121: if(saved && (junction=saved->get_junction()) && junction->is_getter)
1122: saved=0;
1123: frequest.put_element(fwhere, aname, awhat);
1124: }
1125:
1126: Temp_value_element::~Temp_value_element() {
1127: frequest.put_element(fwhere, fname, saved ? saved : VVoid::get());
1128: }
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