Annotation of parser3/src/types/pa_vfile.h, revision 1.59
1.4 paf 1: /** @file
1.18 paf 2: Parser: @b file parser type decl.
1.4 paf 3:
1.58 paf 4: Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com)
1.40 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.1 paf 6: */
7:
8: #ifndef PA_VFILE_H
9: #define PA_VFILE_H
1.43 paf 10:
1.59 ! misha 11: static const char * const IDENT_VFILE_H="$Date: 2005/08/09 08:14:54 $";
1.53 paf 12:
13: // include
1.1 paf 14:
15: #include "pa_common.h"
16: #include "pa_globals.h"
1.3 paf 17: #include "pa_vstateless_object.h"
1.53 paf 18: #include "pa_vbool.h"
19:
20: // defines
21:
22: #define NONAME_DAT "noname.dat"
1.23 paf 23:
1.53 paf 24: // forwards
25:
26: class Methoded;
1.1 paf 27:
1.22 paf 28: /** holds received from user or read from disk file.
1.1 paf 29:
1.4 paf 30: @see VForm
31: */
1.53 paf 32: class VFile: public VStateless_object {
33:
34: const char* ffile_name_cstr;
35: const char* fvalue_ptr;
36: size_t fvalue_size;
37: HashStringValue ffields;
38:
1.1 paf 39: public: // Value
40:
1.53 paf 41: override const char* type() const { return "file"; }
42: override VStateless_class *get_class();
1.11 paf 43:
1.2 paf 44: /// VFile: true
1.53 paf 45: override bool as_bool() const { return true; }
1.35 parser 46:
47: /// VFile: true
1.54 paf 48: override Value& as_expr_result(bool /*return_string_as_is=false*/) { return *new VBool(as_bool()); }
1.2 paf 49:
1.16 paf 50: /// VFile: this
1.53 paf 51: override VFile* as_vfile(String::Language /*lang*/,
52: const Request_charsets* /*charsets*/) { return this; }
1.16 paf 53:
1.47 paf 54: /// VFile: method,field
1.53 paf 55: override Value* get_element(const String& aname, Value& aself, bool looking_up);
1.1 paf 56:
57: public: // usage
58:
1.59 ! misha 59: VFile(): fvalue_ptr(0), fvalue_size(0) {}
1.57 paf 60:
1.59 ! misha 61: VFile(HashStringValue& afields): ffields(afields) {}
1.1 paf 62:
1.53 paf 63: /// WARNING: when setting text files be sure to append terminating zero to avalue_ptr
64: void set(
65: bool tainted,
66: const char* avalue_ptr, size_t avalue_size,
67: const char* afile_name_cstr=0,
68: Value* acontent_type=0);
1.13 paf 69:
1.29 parser 70: void save(const String& file_spec, bool is_text) {
1.13 paf 71: if(fvalue_ptr)
1.38 paf 72: file_write(file_spec, fvalue_ptr, fvalue_size, is_text);
1.13 paf 73: else
1.41 paf 74: throw Exception("parser.runtime",
1.13 paf 75: &file_spec,
1.18 paf 76: "saving stat-ed file");
1.1 paf 77: }
78:
1.53 paf 79: const char* value_ptr() const {
1.18 paf 80: if(!fvalue_ptr)
1.41 paf 81: throw Exception("parser.runtime",
1.18 paf 82: 0,
83: "getting value of stat-ed file");
84:
85: return fvalue_ptr;
86: }
1.16 paf 87: size_t value_size() const { return fvalue_size; }
1.53 paf 88: HashStringValue& fields() { return ffields; }
1.16 paf 89:
1.1 paf 90: private:
91:
1.53 paf 92: Value* fields_element();
1.1 paf 93:
94: };
95:
96: #endif
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