Found a new place to add turbo marcxml element name "r".
[yaz-moved-to-github.git] / util / marcdump.c
index b28a838..edacc07 100644 (file)
@@ -1,43 +1,48 @@
-/*
- * Copyright (c) 1995-1997, Index Data
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2010 Index Data
  * See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: marcdump.c,v $
- * Revision 1.9  1999-11-30 13:47:12  adam
- * Improved installation. Moved header files to include/yaz.
- *
- * Revision 1.8  1999/05/26 07:49:35  adam
- * C++ compilation.
- *
- * Revision 1.7  1998/02/11 11:53:36  adam
- * Changed code so that it compiles as C++.
- *
- * Revision 1.6  1997/12/12 06:32:33  adam
- * Added include of string.h.
- *
- * Revision 1.5  1997/09/24 13:29:40  adam
- * Added verbose option -v to marcdump utility.
- *
- * Revision 1.4  1995/11/01 13:55:05  quinn
- * Minor adjustments
- *
- * Revision 1.3  1995/05/16  08:51:12  quinn
- * License, documentation, and memory fixes
- *
- * Revision 1.2  1995/05/15  11:56:56  quinn
- * Debuggng & adjustments.
- *
- * Revision 1.1  1995/04/10  10:28:47  quinn
- * Added copy of CCL and MARC display
- *
  */
 
+#define _FILE_OFFSET_BITS 64
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#if YAZ_HAVE_XML2
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+#include <libxml/xpath.h>
+#include <libxml/xpathInternals.h>
+
+/* Libxml2 version < 2.6.15. xmlreader not reliable/present */
+#if LIBXML_VERSION < 20615
+#define USE_XMLREADER 0
+#else
+#define USE_XMLREADER 1
+#endif
+
+#if USE_XMLREADER
+#include <libxml/xmlreader.h>
+#endif
+
+#endif
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
+#include <assert.h>
+
+#if HAVE_LOCALE_H
+#include <locale.h>
+#endif
+#if HAVE_LANGINFO_H
+#include <langinfo.h>
+#endif
+
 #include <yaz/marcdisp.h>
+#include <yaz/yaz-util.h>
 #include <yaz/xmalloc.h>
 #include <yaz/options.h>
 
 #ifndef SEEK_END
 #define SEEK_END 2
 #endif
+
+
+static char *prog;
+
+static void usage(const char *prog)
+{
+    fprintf (stderr, "Usage: %s [-i format] [-o format] [-f from] [-t to] "
+             "[-l pos=value] [-c cfile] [-s prefix] [-C size] [-n] "
+             "[-p] [-v] [-V] file...\n",
+             prog);
+} 
+
+static void show_version(void)
+{
+    char vstr[20], sha1_str[41];
+
+    yaz_version(vstr, sha1_str);
+    printf("YAZ version: %s %s\n", YAZ_VERSION, YAZ_VERSION_SHA1);
+    if (strcmp(sha1_str, YAZ_VERSION_SHA1))
+        printf("YAZ DLL/SO: %s %s\n", vstr, sha1_str);
+    exit(0);
+}
+
+static int getbyte_stream(void *client_data)
+{
+    FILE *f = (FILE*) client_data;
+
+    int c = fgetc(f);
+    if (c == EOF)
+        return 0;
+    return c;
+}
+
+static void ungetbyte_stream(int c, void *client_data)
+{
+    FILE *f = (FILE*) client_data;
+
+    if (c == 0)
+        c = EOF;
+    ungetc(c, f);
+}
+
+static void marcdump_read_line(yaz_marc_t mt, const char *fname)
+{
+    FILE *inf = fopen(fname, "rb");
+    if (!inf)
+    {
+        fprintf (stderr, "%s: cannot open %s:%s\n",
+                 prog, fname, strerror (errno));
+        exit(1);
+    }
+    
+    while (yaz_marc_read_line(mt, getbyte_stream,
+                              ungetbyte_stream, inf) == 0)
+    {
+        WRBUF wrbuf = wrbuf_alloc();
+        yaz_marc_write_mode(mt, wrbuf);
+        fputs(wrbuf_cstr(wrbuf), stdout);
+        wrbuf_destroy(wrbuf);
+    }
+    fclose(inf);
+}
+
+#if YAZ_HAVE_XML2
+static void marcdump_read_xml(yaz_marc_t mt, const char *fname)
+{
+    WRBUF wrbuf = wrbuf_alloc();
+#if USE_XMLREADER
+    xmlTextReaderPtr reader = xmlReaderForFile(fname, 0 /* encoding */,
+                                               0 /* options */);
+
+    if (reader)
+    {
+        int ret;
+        while ((ret = xmlTextReaderRead(reader)) == 1)
+        {
+            int type = xmlTextReaderNodeType(reader);
+            if (type == XML_READER_TYPE_ELEMENT)
+            {
+                const char *name = (const char *) 
+                    xmlTextReaderLocalName(reader);
+                if (!strcmp(name, "record") || !strcmp(name, "r"))
+                {
+                    xmlNodePtr ptr = xmlTextReaderExpand(reader);
+        
+                    int r = yaz_marc_read_xml(mt, ptr);
+                    if (r)
+                        fprintf(stderr, "yaz_marc_read_xml failed\n");
+                    else
+                    {
+                        int write_rc = yaz_marc_write_mode(mt, wrbuf);
+                                               if (write_rc)
+                                                       yaz_log(YLOG_WARN, "yaz_marc_write_mode: write error: %d", write_rc);
+                        
+                        fputs(wrbuf_cstr(wrbuf), stdout);
+                        wrbuf_rewind(wrbuf);
+                    }
+                }
+            }
+        }
+    }
+#else
+    xmlDocPtr doc = xmlParseFile(fname);
+    if (doc)
+    {
+        xmlNodePtr ptr = xmlDocGetRootElement(doc);
+        for (; ptr; ptr = ptr->next)
+        {
+            if (ptr->type == XML_ELEMENT_NODE)
+            {
+                if (!strcmp((const char *) ptr->name, "collection"))
+                {
+                    ptr = ptr->children;
+                    continue;
+                }
+                if (!strcmp((const char *) ptr->name, "record") ||
+                       !strcmp((const char *) ptr->name, "r"))
+                {
+                    int r = yaz_marc_read_xml(mt, ptr);
+                    if (r)
+                        fprintf(stderr, "yaz_marc_read_xml failed\n");
+                    else
+                    {
+                        yaz_marc_write_mode(mt, wrbuf);
+                        
+                        fputs(wrbuf_cstr(wrbuf), stdout);
+                        wrbuf_rewind(wrbuf);
+                    }
+                }
+            }
+        }
+        xmlFreeDoc(doc);
+    }
+#endif
+    fputs(wrbuf_cstr(wrbuf), stdout);
+    wrbuf_destroy(wrbuf);
+}
+#endif
+
+static void dump(const char *fname, const char *from, const char *to,
+                 int input_format, int output_format,
+                 int write_using_libxml2,
+                 int print_offset, const char *split_fname, int split_chunk,
+                 int verbose, FILE *cfile, const char *leader_spec)
+{
+    yaz_marc_t mt = yaz_marc_create();
+    yaz_iconv_t cd = 0;
+
+    if (yaz_marc_leader_spec(mt, leader_spec))
+    {
+        fprintf(stderr, "bad leader spec: %s\n", leader_spec);
+        yaz_marc_destroy(mt);
+        exit(2);
+    }
+    if (from && to)
+    {
+        cd = yaz_iconv_open(to, from);
+        if (!cd)
+        {
+            fprintf(stderr, "conversion from %s to %s "
+                    "unsupported\n", from, to);
+            yaz_marc_destroy(mt);
+            exit(2);
+        }
+        yaz_marc_iconv(mt, cd);
+    }
+    yaz_marc_enable_collection(mt);
+    yaz_marc_set_read_format(mt, input_format);
+    yaz_marc_set_write_format(mt, output_format);
+    yaz_marc_write_using_libxml2(mt, write_using_libxml2);
+    yaz_marc_debug(mt, verbose);
+
+    if (input_format == YAZ_MARC_MARCXML || input_format == YAZ_MARC_TMARCXML || input_format == YAZ_MARC_XCHANGE)
+    {
+#if YAZ_HAVE_XML2
+        marcdump_read_xml(mt, fname);
+#endif
+    }
+    else if (input_format == YAZ_MARC_LINE)
+    {
+        marcdump_read_line(mt, fname);
+    }
+    else if (input_format == YAZ_MARC_ISO2709)
+    {
+        FILE *inf = fopen(fname, "rb");
+        int num = 1;
+        int marc_no = 0;
+        int split_file_no = -1;
+        if (!inf)
+        {
+            fprintf (stderr, "%s: cannot open %s:%s\n",
+                     prog, fname, strerror (errno));
+            exit(1);
+        }
+        if (cfile)
+            fprintf (cfile, "char *marc_records[] = {\n");
+        for(;; marc_no++)
+        {
+            const char *result = 0;
+            size_t len;
+            size_t rlen;
+            size_t len_result;
+            size_t r;
+            char buf[100001];
+            
+            r = fread (buf, 1, 5, inf);
+            if (r < 5)
+            {
+                if (r && print_offset && verbose)
+                    printf ("<!-- Extra %ld bytes at end of file -->\n",
+                            (long) r);
+                break;
+            }
+            while (*buf < '0' || *buf > '9')
+            {
+                int i;
+                long off = ftell(inf) - 5;
+                if (verbose || print_offset)
+                    printf("<!-- Skipping bad byte %d (0x%02X) at offset "
+                           "%ld (0x%lx) -->\n", 
+                           *buf & 0xff, *buf & 0xff,
+                           off, off);
+                for (i = 0; i<4; i++)
+                    buf[i] = buf[i+1];
+                r = fread(buf+4, 1, 1, inf);
+                if (r < 1)
+                    break;
+            }
+            if (r < 1)
+            {
+                if (verbose || print_offset)
+                    printf ("<!-- End of file with data -->\n");
+                break;
+            }
+            if (print_offset)
+            {
+                long off = ftell(inf) - 5;
+                printf ("<!-- Record %d offset %ld (0x%lx) -->\n",
+                        num, off, off);
+            }
+            len = atoi_n(buf, 5);
+            if (len < 25 || len > 100000)
+            {
+                long off = ftell(inf) - 5;
+                printf("Bad Length %ld read at offset %ld (%lx)\n",
+                       (long)len, (long) off, (long) off);
+                break;
+            }
+            rlen = len - 5;
+            r = fread (buf + 5, 1, rlen, inf);
+            if (r < rlen)
+                break;
+            while (buf[len-1] != ISO2709_RS)
+            {
+                if (len > sizeof(buf)-2)
+                    break;
+                r = fread (buf + len, 1, 1, inf);
+                if (r != 1)
+                    break;
+                len++;
+            }
+            if (split_fname)
+            {
+                char fname[256];
+                const char *mode = 0;
+                FILE *sf;
+                if ((marc_no % split_chunk) == 0)
+                {
+                    mode = "wb";
+                    split_file_no++;
+                }
+                else
+                    mode = "ab";
+                sprintf(fname, "%.200s%07d", split_fname, split_file_no);
+                sf = fopen(fname, mode);
+                if (!sf)
+                {
+                    fprintf(stderr, "Could not open %s\n", fname);
+                    split_fname = 0;
+                }
+                else
+                {
+                    if (fwrite(buf, 1, len, sf) != len)
+                    {
+                        fprintf(stderr, "Could write content to %s\n",
+                                fname);
+                        split_fname = 0;
+                    }
+                    fclose(sf);
+                }
+            }
+            len_result = rlen;
+            r = yaz_marc_decode_buf(mt, buf, -1, &result, &len_result);
+            if (r > 0 && result && len_result)
+            {
+                if (fwrite(result, len_result, 1, stdout) != 1)
+                {
+                    fprintf(stderr, "Write to stdout failed\n");
+                    break;
+                }
+            }
+            if (r > 0 && cfile)
+            {
+                char *p = buf;
+                size_t i;
+                if (marc_no)
+                    fprintf (cfile, ",");
+                fprintf (cfile, "\n");
+                for (i = 0; i < r; i++)
+                {
+                    if ((i & 15) == 0)
+                        fprintf (cfile, "  \"");
+                    fprintf (cfile, "\\x%02X", p[i] & 255);
+                    
+                    if (i < r - 1 && (i & 15) == 15)
+                        fprintf (cfile, "\"\n");
+                    
+                }
+                fprintf (cfile, "\"\n");
+            }
+            num++;
+            if (verbose)
+                printf("\n");
+        }
+        if (cfile)
+            fprintf (cfile, "};\n");
+        fclose(inf);
+    }
+    {
+        WRBUF wrbuf = wrbuf_alloc();
+        yaz_marc_write_trailer(mt, wrbuf);
+        fputs(wrbuf_cstr(wrbuf), stdout);
+        wrbuf_destroy(wrbuf);
+    }
+    if (cd)
+        yaz_iconv_close(cd);
+    yaz_marc_destroy(mt);
+}
+
 int main (int argc, char **argv)
 {
-    int ret;
+    int r;
+    int print_offset = 0;
     char *arg;
     int verbose = 0;
-    FILE *inf;
-    long file_size;
-    char *buf;
-    char *prog = *argv;
-    int count = 0;
     int no = 0;
+    int output_format = YAZ_MARC_LINE;
+    FILE *cfile = 0;
+    char *from = 0, *to = 0;
+    int input_format = YAZ_MARC_ISO2709;
+    int split_chunk = 1;
+    const char *split_fname = 0;
+    const char *leader_spec = 0;
+    int write_using_libxml2 = 0;
 
-    while ((ret = options("v", argv, argc, &arg)) != -2)
+#if HAVE_LOCALE_H
+    setlocale(LC_CTYPE, "");
+#endif
+#if HAVE_LANGINFO_H
+#ifdef CODESET
+    to = nl_langinfo(CODESET);
+#endif
+#endif
+
+    prog = *argv;
+    while ((r = options("i:o:C:npc:xOeXIf:t:s:l:Vv", argv, argc, &arg)) != -2)
     {
-       no++;
-        switch (ret)
+        no++;
+        switch (r)
         {
+        case 'i':
+            input_format = yaz_marc_decode_formatstr(arg);
+            if (input_format == -1)
+            {
+                fprintf(stderr, "%s: bad input format: %s\n", prog, arg);
+                exit(1);
+            }
+#if YAZ_HAVE_XML2
+#else
+            if (input_format == YAZ_MARC_MARCXML 
+                || input_format == YAZ_MARC_XCHANGE)
+            {
+                fprintf(stderr, "%s: Libxml2 support not enabled\n", prog);
+                exit(3);
+            }
+#endif
+            break;
+        case 'o':
+            /* dirty hack so we can make Libxml2 do the writing ..
+               rather than WRBUF */
+            if (strlen(arg) > 4 && strncmp(arg, "xml,", 4) == 0)
+            {
+                arg = arg + 4;
+                write_using_libxml2 = 1;
+            }
+            output_format = yaz_marc_decode_formatstr(arg);
+            if (output_format == -1)
+            {
+                fprintf(stderr, "%s: bad output format: %s\n", prog, arg);
+                exit(1);
+            }
+            break;
+        case 'l':
+            leader_spec = arg;
+            break;
+        case 'f':
+            from = arg;
+            break;
+        case 't':
+            to = arg;
+            break;
+        case 'c':
+            if (cfile)
+                fclose (cfile);
+            cfile = fopen(arg, "w");
+            break;
+        case 'x':
+            fprintf(stderr, "%s: -x no longer supported. "
+                    "Use -i marcxml instead\n", prog);
+            exit(1);
+            break;
+        case 'O':
+            fprintf(stderr, "%s: OAI MARC no longer supported."
+                    " Use MARCXML instead.\n", prog);
+            exit(1);
+            break;
+        case 'e':
+            fprintf(stderr, "%s: -e no longer supported. "
+                    "Use -o marcxchange instead\n", prog);
+            exit(1);
+            break;
+        case 'X':
+            fprintf(stderr, "%s: -X no longer supported. "
+                    "Use -o marcxml instead\n", prog);
+            exit(1);
+            break;
+        case 'I':
+            fprintf(stderr, "%s: -I no longer supported. "
+                    "Use -o marc instead\n", prog);
+            exit(1);
+            break;
+        case 'n':
+            output_format = YAZ_MARC_CHECK;
+            break;
+        case 'p':
+            print_offset = 1;
+            break;
+        case 's':
+            split_fname = arg;
+            break;
+        case 'C':
+            split_chunk = atoi(arg);
+            break;
         case 0:
-           inf = fopen (arg, "r");
-           if (!inf)
-           {
-               fprintf (stderr, "%s: cannot open %s:%s\n",
-                        prog, arg, strerror (errno));
-               exit (1);
-           }
-           if (fseek (inf, 0L, SEEK_END))
-           {
-               fprintf (stderr, "%s: cannot seek in %s:%s\n",
-                        prog, arg, strerror (errno));
-               exit (1);
-           }
-           file_size = ftell (inf);    
-           if (fseek (inf, 0L, SEEK_SET))
-           {
-               fprintf (stderr, "%s: cannot seek in %s:%s\n",
-                        prog, arg, strerror (errno));
-               exit (1);
-           }
-           buf = (char *)xmalloc (file_size);
-           if (!buf)
-           {
-               fprintf (stderr, "%s: cannot xmalloc: %s\n",
-                        prog, strerror (errno));
-               exit (1);
-           }
-           if ((long) fread (buf, 1, file_size, inf) != file_size)
-           {
-               fprintf (stderr, "%s: cannot read %s: %s\n",
-                        prog, arg, strerror (errno));
-               exit (1);
-           }
-           while ((ret = marc_display_ex (buf, stdout, verbose)) > 0)
-           {
-               buf += ret;
-               count++;
-           }
-           fclose (inf);
-           xfree (buf);
+            dump(arg, from, to, input_format, output_format,
+                 write_using_libxml2,
+                 print_offset, split_fname, split_chunk,
+                 verbose, cfile, leader_spec);
             break;
         case 'v':
-           verbose++;
+            verbose++;
+            break;
+        case 'V': 
+            show_version();
             break;
         default:
-            fprintf (stderr, "Usage: %s [-v] file...\n", prog);
-            exit (1);
+            usage(prog);
+            exit(1);
         }
     }
+    if (cfile)
+        fclose (cfile);
     if (!no)
     {
-       fprintf (stderr, "Usage: %s [-v] file...\n", prog);
-       exit (1);
+        usage(prog);
+        exit (1);
     }
     exit (0);
 }
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+