Annotation of parser3/src/classes/file.C, revision 1.9
1.1 paf 1: /*
2: Parser
3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
4: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
5:
1.9 ! paf 6: $Id: file.C,v 1.8 2001/03/28 09:01:20 paf Exp $
1.1 paf 7: */
8:
9: #include "pa_request.h"
10: #include "_file.h"
11: #include "pa_vfile.h"
12:
1.9 ! paf 13: // consts
! 14:
! 15: const int FIND_MONKEY_MAX_HOPS=10;
! 16:
1.1 paf 17: // global var
18:
1.3 paf 19: VStateless_class *file_class;
1.1 paf 20:
21: // methods
22:
1.7 paf 23: /// @test mkdirs
1.1 paf 24: static void _save(Request& r, const String& method_name, Array *params) {
1.4 paf 25: Pool& pool=r.pool();
1.8 paf 26: Value& vfile_name=*static_cast<Value *>(params->get(0));
1.1 paf 27: // forcing
1.4 paf 28: // ^save[this body type]
1.8 paf 29: r.fail_if_junction_(true, vfile_name,
1.4 paf 30: method_name, "file name must not be junction");
31:
32: // forcing untaint language
33: String lfile_name(pool);
1.8 paf 34: lfile_name.append(vfile_name.as_string(),
1.5 paf 35: String::UL_FILE_NAME, true);
1.7 paf 36:
37: // save
38: static_cast<VFile *>(r.self)->save(r.absolute(lfile_name));
39: }
40:
41: static void _delete(Request& r, const String& method_name, Array *params) {
42: Pool& pool=r.pool();
1.8 paf 43: Value& vfile_name=*static_cast<Value *>(params->get(0));
1.7 paf 44: // forcing
45: // ^delete[this body type]
1.8 paf 46: r.fail_if_junction_(true, vfile_name,
1.7 paf 47: method_name, "file name must not be junction");
48:
49: // forcing untaint language
50: String lfile_name(pool);
1.8 paf 51: lfile_name.append(vfile_name.as_string(),
1.7 paf 52: String::UL_FILE_NAME, true);
1.4 paf 53:
1.7 paf 54: // unlink
55: file_delete(pool, r.absolute(lfile_name));
1.1 paf 56: }
57:
1.8 paf 58: static void _find(Request& r, const String& method_name, Array *params) {
59: Pool& pool=r.pool();
60: Value& vfile_name=*static_cast<Value *>(params->get(0));
61: // forcing
62: // ^delete[this body type]
63: r.fail_if_junction_(true, vfile_name,
64: method_name, "file name must not be junction");
65:
66: // forcing untaint language
67: String lfile_name(pool);
68: lfile_name.append(vfile_name.as_string(),
69: String::UL_FILE_NAME, true);
70:
71: // passed file name simply exists in current dir
72: if(file_readable(r.absolute(lfile_name))) {
73: r.write_no_lang(*new(pool) VString(lfile_name));
74: return;
75: }
76:
77: // scan .. dirs for result
1.9 ! paf 78: for(int i=0; i<FIND_MONKEY_MAX_HOPS; i++) {
1.8 paf 79: String test_name(pool);
80: for(int j=0; j<i; j++)
81: test_name.APPEND_CONST("../");
82: test_name.append(lfile_name, String::UL_NO);
83: if(file_readable(r.absolute(test_name))) {
84: r.write_no_lang(*new(pool) VString(*new(pool) String(test_name)));
85: return;
86: }
87: }
88:
89: // not found
90: if(params->size()==2) {
91: // forcing ..{this body type}
92: Value& not_found_code=*static_cast<Value *>(params->get(1));
93: r.fail_if_junction_(false, not_found_code,
94: method_name, "not-found param must be junction");
95: r.write_pass_lang(r.process(not_found_code));
96: }
97: }
98:
1.9 ! paf 99: static void _load(Request& r, const String& method_name, Array *params) {
! 100: Pool& pool=r.pool();
! 101: Value& vfile_name=*static_cast<Value *>(params->get(0));
! 102:
! 103: // forcing
! 104: // ^load[this body type]
! 105: r.fail_if_junction_(true, vfile_name,
! 106: method_name, "file name must not be junction");
! 107:
! 108: // forcing untaint language
! 109: String lfile_name(pool);
! 110: lfile_name.append(vfile_name.as_string(),
! 111: String::UL_FILE_NAME, true);
! 112:
! 113: void *data;
! 114: size_t size;
! 115: file_read(pool, r.absolute(lfile_name), data, size, false/*binary*/);
! 116:
! 117: char *user_file_name=params->size()==1?lfile_name.cstr()
! 118: :static_cast<Value *>(params->get(1))->as_string().cstr();
! 119: r.write_no_lang(*new(pool) VFile(pool, data, size, user_file_name));
! 120: }
! 121:
1.1 paf 122: // initialize
123:
1.3 paf 124: void initialize_file_class(Pool& pool, VStateless_class& vclass) {
1.1 paf 125: // ^save[file-name]
126: vclass.add_native_method("save", _save, 1, 1);
1.7 paf 127:
128: // ^delete[file-name]
129: vclass.add_native_method("delete", _delete, 1, 1);
1.8 paf 130:
131: // ^find[file-name]
132: // ^find[file-name]{when-not-found}
133: vclass.add_native_method("find", _find, 1, 2);
1.9 ! paf 134:
! 135: // ^load[disk-name]
! 136: // ^load[disk-name;user-name]
! 137: // TODO:^load[disk-name;user-name;content-type]
! 138: vclass.add_native_method("load", _load, 1, 2);
1.1 paf 139: }
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