1 | /**********************************************************************
|
---|
2 | *
|
---|
3 | * Unimarc.cpp
|
---|
4 | * Copyright (C) 2003 UNESCO
|
---|
5 | *
|
---|
6 | * A component of the Greenstone digital library software
|
---|
7 | * from the New Zealand Digital Library Project at the
|
---|
8 | * University of Waikato, New Zealand.
|
---|
9 | *
|
---|
10 | * This program is free software; you can redistribute it and/or modify
|
---|
11 | * it under the terms of the GNU General Public License as published by
|
---|
12 | * the Free Software Foundation; either version 2 of the License, or
|
---|
13 | * (at your option) any later version.
|
---|
14 | *
|
---|
15 | * This program is distributed in the hope that it will be useful,
|
---|
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
18 | * GNU General Public License for more details.
|
---|
19 | *
|
---|
20 | * You should have received a copy of the GNU General Public License
|
---|
21 | * along with this program; if not, write to the Free Software
|
---|
22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
---|
23 | *
|
---|
24 | *********************************************************************/
|
---|
25 |
|
---|
26 | #include "stdafx.h"
|
---|
27 |
|
---|
28 | ///////////////////////////////////////////////////////////////////////////////////
|
---|
29 | // MarcRecord - This class can instantiate objects that represent a MARC
|
---|
30 | // bibilographic record and includes methods for manipulating the
|
---|
31 | // record.
|
---|
32 | //
|
---|
33 | // example:
|
---|
34 | //
|
---|
35 | // #include "Unimarc.h"
|
---|
36 | //
|
---|
37 | // // Create a MarcRecord object with a raw MARC record
|
---|
38 | // MarcRecord mr(buf,1)
|
---|
39 | // mr.PrettyFormat("The title is %245, which is the field with tag 245");
|
---|
40 | #include <vector>
|
---|
41 | #include <stdio.h>
|
---|
42 | #include <stdlib.h>
|
---|
43 | #include <string.h>
|
---|
44 | #include "Unimarc.h"
|
---|
45 |
|
---|
46 | //-------------------------------------------------------------------------------
|
---|
47 | // ostream& operator<<(ostream& s, const MarcLeader& leader)
|
---|
48 | //
|
---|
49 | // Overloaded instance of the output operator for MarcLeader objects
|
---|
50 | //---------------------------------------------------------------------------------
|
---|
51 | std::ostream& operator<<(std::ostream& s, const MarcLeader& leader)
|
---|
52 | {
|
---|
53 | s.write(leader.lreclen_, 5); // Logical record length
|
---|
54 | s.write(&leader.status_, 1); // Record status
|
---|
55 | s.write(&leader.type_, 1); // Type of record
|
---|
56 | s.write(&leader.bibLevel_, 1); // Bibliographic level
|
---|
57 | s.write(&leader.ctrlType_, 1); // Type of control
|
---|
58 | s.write(&leader.undPos_, 1); // Undefined character position
|
---|
59 | s.write(&leader.indCount_, 1); // Indicator count
|
---|
60 | s.write(&leader.scd_, 1); // Subfield code count
|
---|
61 | s.write(leader.base_, 5); // Base address of data
|
---|
62 | s.write(&leader.encLevel_, 1); // Encoding level
|
---|
63 | s.write(&leader.dcf_, 1); // Descriptive cataloging form
|
---|
64 | s.write(&leader.lrr_, 1); // Linked record requirement
|
---|
65 | // Directory entry map
|
---|
66 | s.write(&leader.llof_, 1); // Length of the length-of-field portion
|
---|
67 | s.write(&leader.lscp_, 1); // Length of starting-character-position portion
|
---|
68 | s.write(&leader.lidp_, 1); // Length of implementation-defined portion
|
---|
69 | s.write(&leader.uep_, 1); // Undefined entry map character position
|
---|
70 | return s;
|
---|
71 | }
|
---|
72 |
|
---|
73 | //----------------------------------------------------------------------------------
|
---|
74 | // istream& operator>>(istream& s, const MarcLeader& leader)
|
---|
75 | //
|
---|
76 | // Overloaded instance of the input operator for MarcLeader objects
|
---|
77 | //----------------------------------------------------------------------------------
|
---|
78 | std::istream& operator>>(std::istream& s, MarcLeader& leader)
|
---|
79 | {
|
---|
80 | s.read(leader.lreclen_, 5); // Logical record length
|
---|
81 | s.read(&leader.status_, 1); // Record status
|
---|
82 | s.read(&leader.type_, 1); // Type of record
|
---|
83 | s.read(&leader.bibLevel_, 1); // Bibliographic level
|
---|
84 | s.read(&leader.ctrlType_, 1); // Type of control
|
---|
85 | s.read(&leader.undPos_, 1); // Undefined character position
|
---|
86 | s.read(&leader.indCount_, 1); // Indicator count
|
---|
87 | s.read(&leader.scd_, 1); // Subfield code count
|
---|
88 | s.read(leader.base_, 5); // Base address of data
|
---|
89 | s.read(&leader.encLevel_, 1); // Encoding level
|
---|
90 | s.read(&leader.dcf_, 1); // Descriptive cataloging form
|
---|
91 | s.read(&leader.lrr_, 1); // Linked record requirement
|
---|
92 | // Directory entry map
|
---|
93 | s.read(&leader.llof_, 1); // Length of the length-of-field portion
|
---|
94 | s.read(&leader.lscp_, 1); // Length of starting-character-position portion
|
---|
95 | s.read(&leader.lidp_, 1); // Length of implementation-defined portion
|
---|
96 | s.read(&leader.uep_, 1); // Undefined entry map character position
|
---|
97 | return s;
|
---|
98 | }
|
---|
99 |
|
---|
100 | /************************************************************************
|
---|
101 | Local prototypes
|
---|
102 | ***********************************************************************/
|
---|
103 | static void Printx(FILE *fp, char *s, int x);
|
---|
104 |
|
---|
105 | //----------------------------------------------------------------------
|
---|
106 | // MarcRecord::MarcRecord(char *data, int length, int copyData)
|
---|
107 | //
|
---|
108 | // Constructor that creates a new MarcRecord object.
|
---|
109 | // data is raw marc record data for a single record. If copyData is 1,
|
---|
110 | // data is encapsulated within this object. If 0, does not copy data and
|
---|
111 | // responsibility falls to caller to maintain data pointer.
|
---|
112 | //----------------------------------------------------------------------
|
---|
113 | MarcRecord::MarcRecord(char* data, int length, int copyData)
|
---|
114 | {
|
---|
115 | encapsulated_ = copyData;
|
---|
116 |
|
---|
117 | /* encapsulate or set pointer to data */
|
---|
118 | if (encapsulated_)
|
---|
119 | {
|
---|
120 | data_ = new char[length + 1];
|
---|
121 | memcpy(data_, data, length);
|
---|
122 | data_[length] = '\0';
|
---|
123 | }
|
---|
124 | else
|
---|
125 | data = data;
|
---|
126 |
|
---|
127 | // Lay leader overlay onto data
|
---|
128 | leader_ = *(MarcLeader *) (data_);
|
---|
129 |
|
---|
130 | // Parse the record. sets dirCount_, directory_
|
---|
131 | if (!ParseMarcRecord())
|
---|
132 | {
|
---|
133 | // marcRecord_destroy(m);
|
---|
134 | // return NULL;
|
---|
135 | }
|
---|
136 | }
|
---|
137 |
|
---|
138 | //----------------------------------------------------------------------
|
---|
139 | // void MarcRecord::~MarcRecord()
|
---|
140 | //
|
---|
141 | // Destructor, destroys a MarcRecord object and all used resources.
|
---|
142 | //----------------------------------------------------------------------
|
---|
143 | MarcRecord::~MarcRecord()
|
---|
144 | {
|
---|
145 | if ((encapsulated_) && (data_))
|
---|
146 | delete[] data_;
|
---|
147 |
|
---|
148 | for (std::vector<MarcDirectoryEntry>::size_type i=0; i!=directory_.size(); ++i)
|
---|
149 | directory_[i].field_.erase(directory_[i].field_.begin(),directory_[i].field_.end());
|
---|
150 | directory_.erase(directory_.begin(),directory_.end());
|
---|
151 | }
|
---|
152 |
|
---|
153 | #define MARC_STATE_IDLE 0
|
---|
154 | #define MARC_STATE_TAG 1
|
---|
155 | #define MARC_STATE_WIDTH 2
|
---|
156 | //----------------------------------------------------------------------
|
---|
157 | // int MarcRecord::PrettyFormat(char* format, char* buf, int maxlen)
|
---|
158 | //
|
---|
159 | // Formats the contents of the marc record according to a format string.
|
---|
160 | // Useful for generating a buffer to pretty-print the record.
|
---|
161 | // format contains a format-specifier string. The format-specifier string
|
---|
162 | // is kindof like printf's, except the only control character is '%'.
|
---|
163 | // Following the '%' should be the integer MARC field code as defined in
|
---|
164 | // the (huge) list of available MARC fields from the library of congress
|
---|
165 | // (http://lcweb.loc.gov/marc/). buf is a previously allocated
|
---|
166 | // buffer into which the pretty version will be copied. maxlen is the max
|
---|
167 | // length to write into buf. After call, buf contains pretty formatted text.
|
---|
168 | //----------------------------------------------------------------------
|
---|
169 | int MarcRecord::PrettyFormat(char* format, char* buf, int maxlen)
|
---|
170 | {
|
---|
171 | char b[1024];
|
---|
172 | int bufpos = 0, fmtpos = 0;
|
---|
173 |
|
---|
174 | b[0] = '\0';
|
---|
175 | buf[0] = '\0';
|
---|
176 |
|
---|
177 | for (; format[fmtpos] != '\0'; )
|
---|
178 | {
|
---|
179 | switch (format[fmtpos])
|
---|
180 | {
|
---|
181 | case '%':
|
---|
182 | {
|
---|
183 | char tag[4];
|
---|
184 | strncpy(tag, (char *)(format + fmtpos + 1), 3);
|
---|
185 | tag[3] = '\0';
|
---|
186 | GetSubField(tag, format[fmtpos + 4], b, sizeof(b) - 1);
|
---|
187 | if (*b)
|
---|
188 | {
|
---|
189 | int l = strlen(b);
|
---|
190 | strncat(buf, b, maxlen - bufpos - 1);
|
---|
191 | bufpos += l;
|
---|
192 | if (bufpos >= maxlen)
|
---|
193 | {
|
---|
194 | buf[maxlen - 1] = '\0';
|
---|
195 | return maxlen;
|
---|
196 | }
|
---|
197 | }
|
---|
198 | fmtpos += 5;
|
---|
199 | break;
|
---|
200 | }
|
---|
201 | default:
|
---|
202 | buf[bufpos] = format[fmtpos];
|
---|
203 | bufpos++;
|
---|
204 | fmtpos++;
|
---|
205 | buf[bufpos] = '\0';
|
---|
206 | break;
|
---|
207 | }
|
---|
208 | }
|
---|
209 | return bufpos;
|
---|
210 | }
|
---|
211 |
|
---|
212 | //----------------------------------------------------------------------
|
---|
213 | // int MarcRecord::GetField(char* tag, char* buf, int maxlen)
|
---|
214 | //
|
---|
215 | // append all subfields in a field together.
|
---|
216 | //----------------------------------------------------------------------
|
---|
217 | int MarcRecord::GetField(char* tag, char* buf, int maxlen)
|
---|
218 | {
|
---|
219 | int remain = maxlen - 1;
|
---|
220 |
|
---|
221 | buf[0] = '\0';
|
---|
222 |
|
---|
223 | if ((tag == NULL) || (*tag == '\0'))
|
---|
224 | return 0;
|
---|
225 |
|
---|
226 | for (std::vector<MarcDirectoryEntry>::size_type i=0; i!=directory_.size(); ++i)
|
---|
227 | {
|
---|
228 | if (!strncmp(tag, directory_[i].tag_, strlen(tag)))
|
---|
229 | {
|
---|
230 | for (std::vector<MarcField>::size_type j=0; j!=directory_[i].field_.size(); ++j)
|
---|
231 | {
|
---|
232 | int flen = directory_[i].field_[j].len_;
|
---|
233 | if (flen > remain)
|
---|
234 | {
|
---|
235 | strncat(buf, directory_[i].field_[j].data_ + 1, remain);
|
---|
236 | buf[maxlen] = '\0';
|
---|
237 | return 1;
|
---|
238 | }
|
---|
239 | else
|
---|
240 | {
|
---|
241 | strncat(buf, directory_[i].field_[j].data_ + 1, flen);
|
---|
242 | remain -= flen;
|
---|
243 | }
|
---|
244 | }
|
---|
245 | return 1;
|
---|
246 | }
|
---|
247 | }
|
---|
248 | return 0;
|
---|
249 | }
|
---|
250 |
|
---|
251 | //----------------------------------------------------------------------
|
---|
252 | // int MarcRecord::GetSubFields(char* tag, char subtag, char* buf, int maxlen)
|
---|
253 | //
|
---|
254 | // append all fields with a certain subfield together.
|
---|
255 | //----------------------------------------------------------------------
|
---|
256 | int MarcRecord::GetSubFields(char* tag, char subtag, char* buf, int maxlen)
|
---|
257 | {
|
---|
258 | int remain = maxlen - 1;
|
---|
259 |
|
---|
260 | buf[0] = '\0';
|
---|
261 |
|
---|
262 | if ((tag == NULL) || (*tag == '\0'))
|
---|
263 | return 0;
|
---|
264 |
|
---|
265 | for (std::vector<MarcDirectoryEntry>::size_type i=0; i!=directory_.size(); ++i)
|
---|
266 | {
|
---|
267 | if (!strncmp(tag, directory_[i].tag_, strlen(tag)))
|
---|
268 | {
|
---|
269 | for (std::vector<MarcField>::size_type j=0; j!=directory_[i].field_.size(); ++j)
|
---|
270 | {
|
---|
271 | if (*(directory_[i].field_[j].data_) == subtag)
|
---|
272 | {
|
---|
273 | int flen = directory_[i].field_[j].len_;
|
---|
274 | if (flen > remain)
|
---|
275 | {
|
---|
276 | strncpy(buf, directory_[i].field_[j].data_ + 1, remain);
|
---|
277 | buf[maxlen] = '\0';
|
---|
278 | return 1;
|
---|
279 | }
|
---|
280 | else
|
---|
281 | {
|
---|
282 | strcpy(buf, directory_[i].field_[j].data_ + 1);
|
---|
283 | remain -= flen;
|
---|
284 | }
|
---|
285 | }
|
---|
286 | }
|
---|
287 | }
|
---|
288 | }
|
---|
289 | return 0;
|
---|
290 | }
|
---|
291 |
|
---|
292 | int MarcRecord::HasField(char* tag)
|
---|
293 | {
|
---|
294 |
|
---|
295 | for (std::vector<MarcDirectoryEntry>::size_type i=0; i!=directory_.size(); ++i)
|
---|
296 | if (!strncmp(tag, directory_[i].tag_, strlen(tag)))
|
---|
297 | return 1;
|
---|
298 |
|
---|
299 | return 0;
|
---|
300 | }
|
---|
301 |
|
---|
302 | int MarcRecord::HasSubField(char* tag, char subtag)
|
---|
303 | {
|
---|
304 |
|
---|
305 | for (std::vector<MarcDirectoryEntry>::size_type i=0; i!=directory_.size(); ++i)
|
---|
306 | if (!strncmp(tag, directory_[i].tag_, strlen(tag)))
|
---|
307 | for (std::vector<MarcField>::size_type j=0; j!=directory_[i].field_.size(); ++j)
|
---|
308 | if (*directory_[i].field_[j].data_ == subtag)
|
---|
309 | return 1;
|
---|
310 | return 0;
|
---|
311 | }
|
---|
312 |
|
---|
313 | int MarcRecord::GetSubField(char *tag, char subtag, char *buf, int maxlen)
|
---|
314 | {
|
---|
315 |
|
---|
316 | buf[0] = '\0';
|
---|
317 |
|
---|
318 | if ((tag == NULL) || (*tag == '\0'))
|
---|
319 | return 0;
|
---|
320 |
|
---|
321 | for (std::vector<MarcDirectoryEntry>::size_type i=0; i!=directory_.size(); ++i)
|
---|
322 | {
|
---|
323 | if (!strncmp(tag, directory_[i].tag_, strlen(tag)))
|
---|
324 | {
|
---|
325 | for (std::vector<MarcField>::size_type j=0; j!=directory_[i].field_.size(); ++j)
|
---|
326 | {
|
---|
327 | if (*(directory_[i].field_[j].data_) == subtag)
|
---|
328 | {
|
---|
329 | int l = directory_[i].field_[j].len_ - 1 > maxlen ? maxlen : directory_[i].field_[j].len_ - 1;
|
---|
330 | strncpy(buf, directory_[i].field_[j].data_ + 1, l);
|
---|
331 | buf[l] = '\0';
|
---|
332 | return 1;
|
---|
333 | }
|
---|
334 | }
|
---|
335 | }
|
---|
336 | }
|
---|
337 | return 0;
|
---|
338 | }
|
---|
339 |
|
---|
340 |
|
---|
341 | int GetNum(char *s, int n)
|
---|
342 | {
|
---|
343 | char nbuf[10]; /* no more than 9 digits */
|
---|
344 |
|
---|
345 | strncpy(&nbuf[0], s, n);
|
---|
346 | nbuf[n] = '\0';
|
---|
347 | return (atoi(nbuf));
|
---|
348 | }
|
---|
349 |
|
---|
350 | void MarcRecord::Dump()
|
---|
351 | {
|
---|
352 | int dc = 0, fc = 0;
|
---|
353 |
|
---|
354 | printf("tags: ");
|
---|
355 | for (std::vector<MarcDirectoryEntry>::size_type i=0; i!=directory_.size(); ++i)
|
---|
356 | {
|
---|
357 | Printx(stdout, directory_[i].tag_, 3);
|
---|
358 | dc++;
|
---|
359 | for (std::vector<MarcField>::size_type j=0; j!=directory_[i].field_.size(); ++j)
|
---|
360 | {
|
---|
361 | if (directory_[i].field_[j].data_)
|
---|
362 | {
|
---|
363 | putchar((int)directory_[i].field_[j].data_);
|
---|
364 | }
|
---|
365 | fc++;
|
---|
366 | /*
|
---|
367 | printx(stdout, (char*)f->data + 1, f->len);
|
---|
368 | printf("\n"); */
|
---|
369 | }
|
---|
370 | printf(",");
|
---|
371 | }
|
---|
372 | putchar('\n');
|
---|
373 | }
|
---|
374 |
|
---|
375 |
|
---|
376 |
|
---|
377 |
|
---|
378 |
|
---|
379 | void MarcRecord::PrintDetailed(FILE *fp)
|
---|
380 | {
|
---|
381 | int count, i;
|
---|
382 |
|
---|
383 | fprintf(fp, "RecordLength:\t\t%i\n", GetNum(leader_.lreclen_, 5));
|
---|
384 | fprintf(fp, "RecordStatus:\t\t%c\n", leader_.status_);
|
---|
385 | fprintf(fp, "RecordType:\t\t%c\n", leader_.type_);
|
---|
386 | fprintf(fp, "BibLevel:\t\t%c\n", leader_.bibLevel_);
|
---|
387 | fprintf(fp, "ControlType:\t\t%c\n", leader_.ctrlType_);
|
---|
388 | fprintf(fp, "UndefCharPos:\t\t%c\n", leader_.undPos_);
|
---|
389 | fprintf(fp, "IndCount:\t\t%i\n", GetNum(&leader_.indCount_, 1));
|
---|
390 | fprintf(fp, "SubCodeCount:\t\t%i\n", GetNum(&leader_.scd_, 1));
|
---|
391 | fprintf(fp, "DataBaseAddr:\t\t%i\n", GetNum(leader_.base_, 5));
|
---|
392 | fprintf(fp, "EncodingLevel:\t\t%c\n", leader_.encLevel_);
|
---|
393 | fprintf(fp, "DescCatForm:\t\t%c\n", leader_.dcf_);
|
---|
394 | fprintf(fp, "LinkedRecReq:\t\t%c\n", leader_.lrr_);
|
---|
395 | fprintf(fp, "LengthOf LengthOfField:\t%i\n", GetNum(&leader_.llof_, 1));
|
---|
396 | fprintf(fp, "LengthOf StartCharPos:\t%i\n", GetNum(&leader_.lscp_, 1));
|
---|
397 | fprintf(fp, "LengthOf ImpDefined:\t%i\n", GetNum(&leader_.lidp_, 1));
|
---|
398 | fprintf(fp, "UndefinedEntry:\t\t%i\n", GetNum(&leader_.uep_, 1));
|
---|
399 |
|
---|
400 | count = (GetNum(leader_.base_, 5) - MARC_LEADER_LEN) / MARC_DIRENT_LEN;
|
---|
401 | for (i = 0; i < count; i++)
|
---|
402 | {
|
---|
403 | DirectoryEntry dir = *(DirectoryEntry*)(data_+MARC_LEADER_LEN+(i*MARC_DIRENT_LEN));
|
---|
404 | fprintf(fp, "\n");
|
---|
405 | fprintf(fp, "Tag:\t\t");
|
---|
406 | Printx(fp, dir.tag_, 3);
|
---|
407 | fprintf(fp, "\nLength:\t\t%i\n", GetNum(dir.len_, 4));
|
---|
408 | fprintf(fp, "StartPos:\t%i\n", GetNum(dir.scp_, 5));
|
---|
409 | fprintf(fp, "Data:\t\t");
|
---|
410 | Printx(fp, (char *)(data_ + GetNum(leader_.base_, 5) + GetNum(dir.scp_, 5)), GetNum(dir.len_, 4));
|
---|
411 | fprintf(fp, "\n");
|
---|
412 | }
|
---|
413 | }
|
---|
414 |
|
---|
415 | /*
|
---|
416 | desc: parses the marc record and builds appropriate data structures in m
|
---|
417 |
|
---|
418 | params:
|
---|
419 |
|
---|
420 | m newly created marcRecord
|
---|
421 |
|
---|
422 | returns:
|
---|
423 |
|
---|
424 | 1 on success
|
---|
425 | 0 on parse or memory failure
|
---|
426 | */
|
---|
427 | int MarcRecord::ParseMarcRecord()
|
---|
428 | {
|
---|
429 | dirCount_ = (GetNum(leader_.base_, 5) - MARC_LEADER_LEN) / MARC_DIRENT_LEN;
|
---|
430 |
|
---|
431 | // For each MarcDirectory entry, create list of subfields
|
---|
432 | MarcDirectoryEntry dir_entry;
|
---|
433 | for (int i = 0; i < dirCount_; i++)
|
---|
434 | {
|
---|
435 | char* data;
|
---|
436 | // Extract the directory component
|
---|
437 | DirectoryEntry dir_entry = *(DirectoryEntry*)(data_+MARC_LEADER_LEN+(i*MARC_DIRENT_LEN));
|
---|
438 |
|
---|
439 | MarcDirectoryEntry marc_dir_entry;
|
---|
440 |
|
---|
441 | // Get a pointer to the data for this MarcDirectory
|
---|
442 | data = (char *)(data_ + GetNum(leader_.base_, 5) + GetNum(dir_entry.scp_, 5));
|
---|
443 |
|
---|
444 | // set the tag for this MarcDirectory
|
---|
445 | marc_dir_entry.tag_ = dir_entry.tag_;
|
---|
446 |
|
---|
447 | /* add the list of subfields for this MarcDirectory */
|
---|
448 | if (!AddSubFields(marc_dir_entry, data))
|
---|
449 | return 0;
|
---|
450 | directory_.push_back(marc_dir_entry);
|
---|
451 |
|
---|
452 | }
|
---|
453 |
|
---|
454 | return 1;
|
---|
455 | }
|
---|
456 |
|
---|
457 | void Printx(FILE* fp, char* s, int x)
|
---|
458 | {
|
---|
459 | int i;
|
---|
460 | for (i = 0; i < x; i++)
|
---|
461 | fprintf(fp, "%c", s[i]);
|
---|
462 | }
|
---|
463 |
|
---|
464 | //----------------------------------------------------------------------
|
---|
465 | // int MarcRecord::AddSubFields(MarcDirectory& d, char* b)
|
---|
466 | //
|
---|
467 | // Parses and adds subfields to MarcDirectory
|
---|
468 | //
|
---|
469 | // params:
|
---|
470 | //
|
---|
471 | // d MarcDirectory to which subfields are added
|
---|
472 | // b buffer of data for d
|
---|
473 | //
|
---|
474 | // returns:
|
---|
475 | //
|
---|
476 | // 1 on success
|
---|
477 | // 0 on parse or memory error
|
---|
478 | //----------------------------------------------------------------------
|
---|
479 | int MarcRecord::AddSubFields(MarcDirectoryEntry& d, char* b)
|
---|
480 | {
|
---|
481 | char *p, *start;
|
---|
482 | int cont = 1, length = 0;
|
---|
483 |
|
---|
484 | /* create new field */
|
---|
485 | MarcField field;
|
---|
486 |
|
---|
487 |
|
---|
488 | start = b;
|
---|
489 | for (p = b; ((*p != '\0') && (cont == 1)); p = (char *)p + 1)
|
---|
490 | {
|
---|
491 | switch (*p)
|
---|
492 | {
|
---|
493 | case SUBFDELIM:
|
---|
494 | /* end of current subfield, but more exist */
|
---|
495 |
|
---|
496 | /* set length and pointer to data for this field */
|
---|
497 | field.len_ = length;
|
---|
498 | field.data_ = start;
|
---|
499 | d.field_.push_back(field);
|
---|
500 | /* by definition, there should be more subfields, but we'll
|
---|
501 | check for NULL just in case
|
---|
502 | */
|
---|
503 | if (*p + 1)
|
---|
504 | {
|
---|
505 | }
|
---|
506 | else
|
---|
507 | {
|
---|
508 | /* uh oh */
|
---|
509 | return 0;
|
---|
510 | }
|
---|
511 | length = 0;
|
---|
512 | start = (char *)p + 1;
|
---|
513 | break;
|
---|
514 | case FIELDTERM:
|
---|
515 | /* end of subfield list */
|
---|
516 |
|
---|
517 | /* set length and pointer to data for this field */
|
---|
518 | field.len_ = length;
|
---|
519 | field.data_ = start;
|
---|
520 | d.field_.push_back(field);
|
---|
521 |
|
---|
522 | /* break out of loop */
|
---|
523 | cont = 0;
|
---|
524 | break;
|
---|
525 | case RECTERM:
|
---|
526 | /* end of record */
|
---|
527 | cont = 0;
|
---|
528 | break;
|
---|
529 | default:
|
---|
530 | /* regular character */
|
---|
531 | length++;
|
---|
532 | break;
|
---|
533 | }
|
---|
534 | }
|
---|
535 | return 1;
|
---|
536 | }
|
---|
537 |
|
---|
538 | void MarcRecord::Format(char *buf, int maxlen, int format)
|
---|
539 | {
|
---|
540 | char b[1024];
|
---|
541 | char date[24];
|
---|
542 | char title[128];
|
---|
543 |
|
---|
544 | b[0] = '\0';
|
---|
545 | buf[0] = '\0';
|
---|
546 |
|
---|
547 | /* FIXME: get rid of this debugging crap sometime */
|
---|
548 | Dump();
|
---|
549 |
|
---|
550 | switch (format)
|
---|
551 | {
|
---|
552 | case MARC_FMT_BRIEF:
|
---|
553 | {
|
---|
554 | GetSubField("245", 'a', title, sizeof(title) - 1);
|
---|
555 | GetSubField("260", 'c', date, sizeof(date) - 1);
|
---|
556 | if ((strlen(date) + strlen(title) + 2) <=(size_t)maxlen)
|
---|
557 | {
|
---|
558 | sprintf(buf, "%s %s", date, title);
|
---|
559 | }
|
---|
560 | else
|
---|
561 | {
|
---|
562 | /* FIXME: we're overflowing the buffer! */
|
---|
563 | }
|
---|
564 | break;
|
---|
565 | }
|
---|
566 | case MARC_FMT_FULL:
|
---|
567 | {
|
---|
568 | int dc = 0, fc = 0;
|
---|
569 | int remain = maxlen;
|
---|
570 |
|
---|
571 | for (std::vector<MarcDirectoryEntry>::size_type i=0; i!=directory_.size(); ++i)
|
---|
572 | {
|
---|
573 | dc++;
|
---|
574 | for (std::vector<MarcField>::size_type j=0; j!=directory_[i].field_.size(); ++j)
|
---|
575 | {
|
---|
576 | fc++;
|
---|
577 | if ((directory_[i].field_[j].len_ + 2) > remain)
|
---|
578 | {
|
---|
579 | strncat(buf, (char *)directory_[i].field_[j].data_ + 1, remain - 2);
|
---|
580 | * (buf + remain - 2) = '\n';
|
---|
581 | * (buf + remain - 1) = '\0';
|
---|
582 | /* we're out of room in the buffer. */
|
---|
583 | return;
|
---|
584 | }
|
---|
585 | if (directory_[i].field_[j].len_ > 0)
|
---|
586 | {
|
---|
587 | strncat(buf, (char*)directory_[i].field_[j].data_ + 1, directory_[i].field_[j].len_);
|
---|
588 | strncat(buf, "\n\0", 2);
|
---|
589 | remain -=(directory_[i].field_[j].len_ + 2);
|
---|
590 | }
|
---|
591 | }
|
---|
592 | }
|
---|
593 | /*
|
---|
594 | marcRecord_getSubField(m, "245", 'a', title,
|
---|
595 | sizeof(title) - 1);
|
---|
596 | marcRecord_getSubField(m, "245", 'a', title,
|
---|
597 | sizeof(title) - 1);
|
---|
598 | marcRecord_getSubField(m, "260", 'c', date,
|
---|
599 | sizeof(date) - 1);
|
---|
600 | sprintf(buf, "%s %s", date, title);
|
---|
601 | */
|
---|
602 | break;
|
---|
603 | }
|
---|
604 | default:
|
---|
605 | break;
|
---|
606 | }
|
---|
607 | }
|
---|
608 |
|
---|
609 | int MarcRecord::RecordLength()
|
---|
610 | {
|
---|
611 | register int l = 0;
|
---|
612 |
|
---|
613 |
|
---|
614 | for (std::vector<MarcDirectoryEntry>::size_type i=0; i!=directory_.size(); ++i)
|
---|
615 | for (std::vector<MarcField>::size_type j=0; j!=directory_[i].field_.size(); ++j)
|
---|
616 | l += directory_[i].field_[i].len_;
|
---|
617 |
|
---|
618 | return l;
|
---|
619 | }
|
---|
620 |
|
---|