Annotation of parser3/src/types/pa_vfile.h, revision 1.23
1.4 paf 1: /** @file
1.18 paf 2: Parser: @b file parser type decl.
1.4 paf 3:
1.1 paf 4: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.4 paf 5:
1.1 paf 6: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
7:
1.23 ! paf 8: $Id: pa_vfile.h,v 1.22.2.2 2001/04/28 07:27:46 paf Exp $
1.1 paf 9: */
10:
11: #ifndef PA_VFILE_H
12: #define PA_VFILE_H
13:
1.23 ! paf 14: #include "classes.h"
1.1 paf 15: #include "pa_common.h"
16: #include "pa_globals.h"
1.3 paf 17: #include "pa_vstateless_object.h"
1.23 ! paf 18:
! 19: extern Methoded *file_class;
1.1 paf 20:
1.22 paf 21: /** holds received from user or read from disk file.
1.1 paf 22:
1.4 paf 23: @see VForm
24: */
1.3 paf 25: class VFile : public VStateless_object {
1.1 paf 26: public: // Value
27:
1.2 paf 28: /// all: for error reporting after fail(), etc
1.1 paf 29: const char *type() const { return "file"; }
30:
1.2 paf 31: /// VFile: this
1.11 paf 32: Value *as_expr_result(bool return_string_as_is=false) { return this; }
33:
1.2 paf 34: /// VFile: true
1.11 paf 35: bool as_bool() { return true; }
1.2 paf 36:
1.16 paf 37: /// VFile: this
1.19 paf 38: const VFile *as_vfile(String::Untaint_lang lang=String::UL_UNSPECIFIED) const {
39: return this;
40: }
1.16 paf 41:
1.2 paf 42: /// VFile: CLASS,BASE,method,field
1.1 paf 43: Value *VFile::get_element(const String& aname) {
44: // $CLASS,$BASE,$method
1.3 paf 45: if(Value *result=VStateless_object::get_element(aname))
1.1 paf 46: return result;
47:
1.12 paf 48: // $name, $size, $text
1.16 paf 49: return static_cast<Value *>(ffields.get(aname));
1.1 paf 50: }
1.7 paf 51:
52: protected: // VAliased
53:
1.10 paf 54: /// disable .CLASS element. @see VAliased::get_element
1.15 paf 55: bool hide_class() { return true; }
1.1 paf 56:
57: public: // usage
58:
1.13 paf 59: VFile::VFile(Pool& apool) : VStateless_object(apool, *file_class),
60: fvalue_ptr(0),
61: fvalue_size(0),
1.16 paf 62: ffields(apool) {
1.13 paf 63: }
1.1 paf 64:
1.17 paf 65: void set(bool tainted,
66: const void *avalue_ptr, size_t avalue_size, const char *afile_name=0,
1.14 paf 67: const String *amime_type=0);
1.13 paf 68:
1.6 paf 69: void save(const String& file_spec) {
1.13 paf 70: if(fvalue_ptr)
71: file_write(pool(), file_spec, fvalue_ptr, fvalue_size, false);
72: else
73: THROW(0, 0,
74: &file_spec,
1.18 paf 75: "saving stat-ed file");
1.1 paf 76: }
77:
1.18 paf 78: const void *value_ptr() const {
79: if(!fvalue_ptr)
80: THROW(0, 0,
81: 0,
82: "getting value of stat-ed file");
83:
84: return fvalue_ptr;
85: }
1.16 paf 86: size_t value_size() const { return fvalue_size; }
1.21 paf 87: Hash& fields() { return ffields; }
88: const Hash& fields() const { return ffields; }
1.16 paf 89:
1.1 paf 90: private:
91:
1.12 paf 92: const void *fvalue_ptr;
1.1 paf 93: size_t fvalue_size;
1.16 paf 94: Hash ffields;
1.1 paf 95:
96: };
97:
98: #endif
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