Annotation of parser3/src/classes/root.C, revision 1.24
1.1 paf 1: /*
1.10 paf 2: Parser
3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.12 paf 4: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.10 paf 5:
1.24 ! paf 6: $Id: root.C,v 1.23 2001/03/12 12:00:03 paf Exp $
1.1 paf 7: */
8:
1.18 paf 9: #include <string.h>
10:
1.1 paf 11: #include "pa_request.h"
1.8 paf 12: #include "_root.h"
1.1 paf 13:
1.18 paf 14: static void _if(Request& r, const String&, Array *params) {
1.2 paf 15: bool condition=
1.18 paf 16: r.process(
1.6 paf 17: *static_cast<Value *>(params->get(0)),
1.11 paf 18: 0/*no name*/,
1.14 paf 19: false/*don't intercept string*/).get_bool();
1.6 paf 20: if(condition) {
1.18 paf 21: Value& value=r.process(*static_cast<Value *>(params->get(1)));
1.22 paf 22: r.write_pass_lang(value);
1.6 paf 23: } else if(params->size()==3) {
1.18 paf 24: Value& value=r.process(*static_cast<Value *>(params->get(2)));
1.22 paf 25: r.write_pass_lang(value);
1.6 paf 26: }
1.1 paf 27: }
28:
1.22 paf 29: static void _untaint(Request& r, const String& method_name, Array *params) {
1.18 paf 30: const String& lang_name=r.process(*static_cast<Value *>(params->get(0))).as_string();
1.15 paf 31: String::Untaint_lang lang=static_cast<String::Untaint_lang>(
1.23 paf 32: untaint_lang_name2enum->get_int(lang_name));
1.15 paf 33: if(!lang)
34: R_THROW(0, 0,
35: &lang_name,
1.18 paf 36: "invalid untaint language");
1.15 paf 37:
1.24 ! paf 38: {
! 39: Temp_lang temp_lang(r, lang);
! 40: Value *vbody=static_cast<Value *>(params->get(1));
! 41: // forcing ^untaint[]{this param type}
! 42: if(!vbody->get_junction())
! 43: R_THROW(0, 0,
1.22 paf 44: &method_name,
1.18 paf 45: "body must be junction");
1.24 ! paf 46:
! 47: r.write_pass_lang(r.process(*vbody));
! 48: }
1.15 paf 49: }
50:
51:
1.22 paf 52: static void _process(Request& r, const String& method_name, Array *params) {
1.18 paf 53: // evaluate source to process
1.20 paf 54: const String& source=r.process(*static_cast<Value *>(params->get(0))).as_string();
1.18 paf 55:
1.20 paf 56: // calculate pseudo file name of processed chars
57: // would be something like "/some/file(4) process"
1.18 paf 58: char place[MAX_STRING];
59: #ifndef NO_STRING_ORIGIN
60: const Origin& origin=source.origin();
61: snprintf(place, MAX_STRING, "%s(%d) %s",
62: origin.file, 1+origin.line,
1.22 paf 63: method_name.cstr());
1.18 paf 64: #else
1.22 paf 65: strncpy(place, MAX_STRING, method_name.cstr());
1.18 paf 66: #endif
67:
1.20 paf 68: VClass& self_class=*r.self->get_class();
1.22 paf 69: {
70: // temporary zero @main so to maybe-replace it in processed code
71: Temp_method temp_method(self_class, *main_method_name, 0);
72:
73: // process source code, append processed methods to 'self' class
74: // maybe-define new @main
75: r.use_buf(source.cstr(), place, &self_class);
76:
77: // maybe-execute @main[]
78: if(const Method *method=self_class.get_method(*main_method_name)) {
79: // execute!
80: r.execute(*method->parser_code);
81: }
1.18 paf 82: }
83: }
84:
85:
1.7 paf 86: void initialize_root_class(Pool& pool, VClass& vclass) {
1.15 paf 87: // ^if(condition){code-when-true}
88: // ^if(condition){code-when-true}{code-when-false}
89: vclass.add_native_method("if", _if, 2, 3);
90:
91: // ^untaint[as-is|sql|js|html|html-typo]{code}
92: vclass.add_native_method("untaint", _untaint, 2, 2);
1.18 paf 93:
94: // ^process[code]
95: vclass.add_native_method("process", _process, 1, 1);
1.1 paf 96: }
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