Annotation of parser3/src/classes/file.C, revision 1.16
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:
1.16 ! paf 6: $Id: file.C,v 1.15 2001/04/03 05:23:36 paf Exp $
1.1 paf 7: */
8:
9: #include "pa_request.h"
10: #include "_file.h"
11: #include "pa_vfile.h"
1.11 paf 12: #include "pa_table.h"
1.1 paf 13:
1.9 paf 14: // consts
15:
16: const int FIND_MONKEY_MAX_HOPS=10;
17:
1.1 paf 18: // global var
19:
1.3 paf 20: VStateless_class *file_class;
1.1 paf 21:
22: // methods
23:
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("../");
1.15 paf 82: test_name.append(lfile_name, String::UL_CLEAN);
1.8 paf 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:
1.10 paf 103: // forcing ^load[this body type]
1.9 paf 104: r.fail_if_junction_(true, vfile_name,
105: method_name, "file name must not be junction");
106:
107: // forcing untaint language
108: String lfile_name(pool);
109: lfile_name.append(vfile_name.as_string(),
110: String::UL_FILE_NAME, true);
111:
1.12 paf 112: void *data; size_t size;
1.9 paf 113: file_read(pool, r.absolute(lfile_name), data, size, false/*binary*/);
114:
115: char *user_file_name=params->size()==1?lfile_name.cstr()
116: :static_cast<Value *>(params->get(1))->as_string().cstr();
1.10 paf 117:
1.11 paf 118: const String *mime_type=0;
119: if(params->size()==3)
120: mime_type=&static_cast<Value *>(params->get(2))->as_string();
121: else {
122: if(r.mime_types) {
123: if(char *cext=strrchr(user_file_name, '.')) {
124: cext++;
125: String sext(pool, cext);
126: if(r.mime_types->locate(0, sext))
127: if(!(mime_type=r.mime_types->item(1)))
128: PTHROW(0, 0,
1.12 paf 129: r.mime_types->origin_string(),
130: "MIME-TYPE table column elements must not be empty");
1.11 paf 131: }
132: }
133: }
1.12 paf 134:
1.11 paf 135: if(!mime_type)
136: mime_type=new(pool) String(pool, "application/octet-stream");
137:
138: static_cast<VFile *>(r.self)->set(data, size, user_file_name, mime_type);
1.9 paf 139: }
140:
1.1 paf 141: // initialize
142:
1.3 paf 143: void initialize_file_class(Pool& pool, VStateless_class& vclass) {
1.1 paf 144: // ^save[file-name]
1.14 paf 145: vclass.add_native_method("save", Method::CT_DYNAMIC, _save, 1, 1);
1.7 paf 146:
147: // ^delete[file-name]
1.14 paf 148: vclass.add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.8 paf 149:
150: // ^find[file-name]
151: // ^find[file-name]{when-not-found}
1.14 paf 152: vclass.add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.9 paf 153:
154: // ^load[disk-name]
155: // ^load[disk-name;user-name]
1.11 paf 156: // ^load[disk-name;user-name;mime-type]
1.14 paf 157: vclass.add_native_method("load", Method::CT_DYNAMIC, _load, 1, 3);
1.1 paf 158: }
E-mail:
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to file.C CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [parser3project] / parser3 / src / classes