Annotation of parser3/src/types/pa_vfile.C, revision 1.59
1.34 paf 1:
1.5 paf 2: /** @file
1.14 paf 3: Parser: @b file parser type.
1.3 paf 4:
1.51 moko 5: Copyright (c) 2001-2012 Art. Lebedev Studio (http://www.artlebedev.com)
1.26 paf 6: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.30 paf 7: */
1.3 paf 8:
1.37 paf 9: #include "classes.h"
1.1 paf 10: #include "pa_vfile.h"
11: #include "pa_vstring.h"
1.3 paf 12: #include "pa_vint.h"
1.50 misha 13: #include "pa_request.h"
1.1 paf 14:
1.59 ! moko 15: volatile const char * IDENT_PA_VFILE_C="$Id: pa_vfile.C,v 1.58 2013/06/24 22:00:18 moko Exp $" IDENT_PA_VFILE_H;
1.51 moko 16:
1.37 paf 17: // externs
18:
19: extern Methoded* file_class;
20:
21: // defines for statics
22:
23: #define SIZE_NAME "size"
24: #define TEXT_NAME "text"
25:
1.50 misha 26: #define MODE_VALUE_TEXT "text"
27: #define MODE_VALUE_BINARY "binary"
28:
1.58 moko 29: #define CONTENT_TYPE_TEXT "text/plain"
30: #define CONTENT_TYPE_BINARY "application/octet-stream"
31:
1.37 paf 32: // statics
33:
34: static const String size_name(SIZE_NAME);
35: static const String text_name(TEXT_NAME);
1.50 misha 36:
37: static const String mode_value_text(MODE_VALUE_TEXT);
38: static const String mode_value_binary(MODE_VALUE_BINARY);
1.37 paf 39:
1.58 moko 40: static const String content_type_text(CONTENT_TYPE_TEXT);
41: static const String content_type_binary(CONTENT_TYPE_BINARY);
42:
1.59 ! moko 43: inline bool content_type_is_default(Value *content_type){
! 44: if(content_type){
! 45: const String *ct=content_type->get_string();
! 46: return ct == &content_type_text || ct == &content_type_binary;
! 47: }
! 48: return true;
! 49: }
! 50:
1.37 paf 51: // methods
52:
53: VStateless_class *VFile::get_class() { return file_class; }
54:
1.58 moko 55: void VFile::set_all(bool atainted, bool ais_text_mode, const char* avalue_ptr, size_t avalue_size, const String* afile_name, Value* acontent_type, Request* r) {
1.8 paf 56: fvalue_ptr=avalue_ptr;
57: fvalue_size=avalue_size;
1.53 misha 58:
1.43 misha 59: ftext_tainted=atainted;
1.8 paf 60:
1.10 paf 61: ffields.clear();
1.43 misha 62:
1.58 moko 63: // $.mode
64: set_mode(ais_text_mode);
65:
1.53 misha 66: // $.size
1.50 misha 67: ffields.put(size_name, new VInt(fvalue_size));
68:
1.53 misha 69: // $.name
1.50 misha 70: set_name(afile_name);
71:
72: // $mime-type
73: set_content_type(acontent_type, afile_name, r);
1.54 moko 74: }
1.53 misha 75:
1.54 moko 76: void VFile::set(bool atainted, bool ais_text_mode, char* avalue_ptr, size_t avalue_size, const String* afile_name, Value* acontent_type, Request* r) {
77: if(ais_text_mode && avalue_ptr && avalue_size) {
78: fix_line_breaks(avalue_ptr, avalue_size);
79: }
1.58 moko 80: set_all(atainted, ais_text_mode, avalue_ptr, avalue_size, afile_name, acontent_type, r);
1.54 moko 81: fis_text_content=ais_text_mode;
1.50 misha 82: }
83:
1.54 moko 84: void VFile::set_binary(bool atainted, const char* avalue_ptr, size_t avalue_size, const String* afile_name, Value* acontent_type, Request* r) {
1.58 moko 85: set_all(atainted, false, avalue_ptr, avalue_size, afile_name, acontent_type, r);
1.54 moko 86: fis_text_content=false;
87: }
1.53 misha 88:
1.58 moko 89: void VFile::set(VFile& avfile, bool aset_text_mode, bool ais_text_mode, const String* afile_name, Value* acontent_type, Request* r) {
90: fvalue_ptr=avfile.fvalue_ptr;
91: fvalue_size=avfile.fvalue_size;
92: ftext_tainted=avfile.ftext_tainted;
93: fis_text_content=avfile.fis_text_content;
1.53 misha 94:
95: ffields.clear();
1.50 misha 96: for(HashStringValue::Iterator i(avfile.ffields); i; i.next())
1.53 misha 97: if(i.key() != text_name) // do not copy cached .text value
1.58 moko 98: ffields.put(*new String(i.key(), String::L_TAINTED), i.value());
1.54 moko 99:
1.58 moko 100: if(aset_text_mode)
101: set_mode(ais_text_mode);
102:
103: if(afile_name)
104: set_name(afile_name);
105:
1.59 ! moko 106: if(acontent_type || afile_name || aset_text_mode && content_type_is_default(ffields.get(content_type_name)))
1.58 moko 107: set_content_type(acontent_type, afile_name, r);
1.53 misha 108: }
109:
110: const char* VFile::text_cstr() {
111: const char* p=value_ptr();
1.54 moko 112: if(fis_text_content)
1.53 misha 113: return p;
114:
115: size_t size=fvalue_size;
116:
117: if(const char *premature_zero_pos=(const char *)memchr(p, 0, size))
118: size=premature_zero_pos-p;
119:
120: char *copy_ptr=size?strdup(p, size):0;
1.54 moko 121: // text mode but binary content
1.53 misha 122: if(fis_text_mode && size)
123: fix_line_breaks(copy_ptr, size);
124: return copy_ptr;
1.50 misha 125: }
126:
1.53 misha 127: void VFile::set_mode(bool ais_text_mode){
128: fis_text_mode=ais_text_mode;
1.56 moko 129: if(fvalue_ptr)
130: ffields.put(mode_name, new VString(ais_text_mode? mode_value_text : mode_value_binary ));
1.50 misha 131: }
132:
133: void VFile::set_name(const String* afile_name){
1.14 paf 134: char *lfile_name;
1.57 misha 135: if(afile_name && !afile_name->is_empty()) {
1.50 misha 136: lfile_name=strdup(afile_name->taint_cstr(String::L_FILE_SPEC));
1.10 paf 137: if(char *after_slash=rsplit(lfile_name, '\\'))
138: lfile_name=after_slash;
139: if(char *after_slash=rsplit(lfile_name, '/'))
140: lfile_name=after_slash;
1.14 paf 141: } else
1.54 moko 142: lfile_name=(char *)NONAME_DAT;
1.50 misha 143:
1.53 misha 144: ffields.put(name_name, new VString(*new String(lfile_name, String::L_FILE_SPEC)));
1.50 misha 145: }
1.43 misha 146:
1.50 misha 147: void VFile::set_content_type(Value* acontent_type, const String* afile_name, Request* r){
148: if(!acontent_type && afile_name && r)
149: acontent_type=new VString(r->mime_type_of(afile_name));
1.43 misha 150:
1.58 moko 151: if(!acontent_type)
152: acontent_type=new VString(fis_text_mode ? content_type_text : content_type_binary);
153:
154: ffields.put(content_type_name, acontent_type);
1.43 misha 155: }
156:
1.46 misha 157: void VFile::save(Request_charsets& charsets, const String& file_spec, bool is_text, Charset* asked_charset) {
158: if(fvalue_ptr)
159: file_write(charsets, file_spec, fvalue_ptr, fvalue_size, is_text, false/*do_append*/, asked_charset);
160: else
1.58 moko 161: throw Exception(PARSER_RUNTIME, &file_spec, "saving stat-ed file");
1.46 misha 162: }
163:
1.50 misha 164: bool VFile::is_text_mode(const String& mode) {
165: if(mode==mode_value_text)
166: return true;
167: if(mode==mode_value_binary)
168: return false;
1.58 moko 169: throw Exception(PARSER_RUNTIME, &mode, "is invalid mode, must be either '"MODE_VALUE_TEXT"' or '"MODE_VALUE_BINARY"'");
1.50 misha 170: }
1.58 moko 171:
1.50 misha 172: bool VFile::is_valid_mode (const String& mode) {
173: return (mode==mode_value_text || mode==mode_value_binary);
174: }
175:
1.45 misha 176: Value* VFile::get_element(const String& aname) {
1.43 misha 177: Value* result;
178:
179: // $method
1.45 misha 180: if(result=VStateless_object::get_element(aname))
1.43 misha 181: return result;
182:
183: // $field
184: if(result=ffields.get(aname))
185: return result;
186:
187: // $text - if not cached
1.53 misha 188: if(aname == text_name && fvalue_ptr && fvalue_size) {
1.43 misha 189: // assigned file have ptr and we really have some bytes
1.42 misha 190:
1.53 misha 191: result=new VString(*new String(text_cstr(), ftext_tainted ? String::L_TAINTED : String::L_AS_IS));
1.42 misha 192:
1.53 misha 193: // cache it
1.43 misha 194: ffields.put(text_name, result);
1.35 paf 195:
196: return result;
1.43 misha 197: }
1.35 paf 198:
1.43 misha 199: return 0;
1.3 paf 200: }
1.48 misha 201:
1.52 moko 202: const String* VFile::get_json_string(Json_options& options){
1.49 moko 203: String& result=*new String("{\n", String::L_AS_IS);
204:
205: String * indent=NULL;
206:
1.52 moko 207: if (options.indent){
208: indent = new String(",\n\t", String::L_AS_IS); *indent << options.indent << "\"";
209: result << "\t" << options.indent;
1.49 moko 210: }
211:
212: result << "\"class\":\"file\"";
1.48 misha 213:
214: for(HashStringValue::Iterator i(ffields); i; i.next() ){
215: String::Body key=i.key();
216: if(key != text_name){
1.49 moko 217: indent ? result << *indent : result << ",\n\"";
218: result << String(key, String::L_JSON) << "\":" << *i.value()->get_json_string(options);
1.48 misha 219: }
220: }
221:
222: if(fvalue_ptr){
1.52 moko 223: switch(options.file){
1.48 misha 224: case Json_options::F_BASE64:
225: {
1.49 moko 226: indent ? result << *indent : result << ",\n\"";
227: result << "base64\":\"";
1.48 misha 228: const char* encoded=pa_base64_encode(fvalue_ptr, fvalue_size);
1.55 moko 229: result.append_help_length(encoded, 0, String::L_JSON);
1.49 moko 230: result << "\"";
1.48 misha 231: break;
232: }
233: case Json_options::F_TEXT:
234: {
1.49 moko 235: indent ? result << *indent : result << ",\n\"";
236: result << "text\":\"";
1.55 moko 237: result.append_help_length(text_cstr(), 0, String::L_JSON);
1.49 moko 238: result << "\"";
1.48 misha 239: break;
240: }
241: }
242: }
243:
1.52 moko 244: result << "\n" << options.indent << "}";
1.49 moko 245: return &result;
1.48 misha 246: }
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