Added support of the complex indexing for MARC records (whithout documentation yet).

[idzebra-moved-to-github.git] / recctrl / inline.c

diff --git a/recctrl/inline.c b/recctrl/inline.c
new file mode 100644 (file)
index 0000000..08d5ee6
--- /dev/null
+++ b/recctrl/inline.c
@@ -0,0 +1,127 @@
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <yaz/yaz-util.h>
+#include "inline.h"
+
+static void inline_destroy_subfield_recursive(inline_subfield *p);
+
+static inline_field *inline_mk_field(void)
+{
+    inline_field *p = (inline_field *) xmalloc(sizeof(*p));
+
+    if (p)
+    {
+       memset(p, 0, sizeof(*p));
+       p->name = (char *) xmalloc(SZ_FNAME+1);
+       *(p->name) = '\0';
+       p->ind1 = (char *) xmalloc(SZ_IND+1);
+       *(p->ind1) = '\0';
+       p->ind2 = (char *) xmalloc(SZ_IND+1);
+       *(p->ind2) = '\0';
+    }
+    return p;
+}
+void inline_destroy_field(inline_field *p)
+{
+    if (p)
+    {
+       if (p->name) xfree(p->name);
+       if (p->ind1) xfree(p->ind1);
+       if (p->ind2) xfree(p->ind2);
+       if (p->list)
+           inline_destroy_subfield_recursive(p->list);
+       xfree(p);
+    }
+}
+static inline_subfield *inline_mk_subfield(inline_subfield *parent)
+{
+    inline_subfield *p = (inline_subfield *)xmalloc(sizeof(*p));
+    
+    if (p)
+    {
+       memset(p, 0, sizeof(*p));
+       p->name = (char *) xmalloc(SZ_SFNAME+1);
+       *(p->name) = '\0';
+       p->parent = parent;
+    }
+    return p;
+}
+static void inline_destroy_subfield(inline_subfield *p)
+{
+    if (p)
+    {
+       if (p->name) xfree(p->name);
+       if (p->data) xfree(p->data);
+       if (p->parent) p->parent->next = p->next;
+       xfree(p);
+    }
+}
+static void inline_destroy_subfield_recursive(inline_subfield *p)
+{
+    if (p)
+    {
+       inline_destroy_subfield_recursive(p->next);
+       if (p->name) xfree(p->name);
+       if (p->data) xfree(p->data);
+       if (p->parent)
+           p->parent->next = 0;
+       xfree(p);
+    }
+}
+inline_field *inline_parse(const char *s)
+{
+    inline_field *pf = inline_mk_field();
+    char *p = (char *)s;
+    
+    if (!pf)
+       return 0;
+
+    if ((sscanf(p, "%3s", pf->name)) != 1)
+       return 0;
+
+    p += SZ_FNAME;
+
+    if (!memcmp(pf->name, "00", 2))
+    {
+       pf->list = inline_mk_subfield(0);
+       pf->list->data = xstrdup(p);
+    }
+    else
+    {
+       if ((sscanf(p, "%c%c", pf->ind1, pf->ind2)) == 2)
+       {
+           char *pdup;
+           inline_subfield *parent = 0;
+           
+           p += 2*SZ_IND;
+    
+           if (!strlen(p) || *p != '$')
+           {
+               return pf;
+           }
+           
+           pdup = p = xstrdup(p);
+           
+           for (p=strtok(p, "$"); p; p = strtok(NULL, "$"))
+           {
+               inline_subfield *psf = inline_mk_subfield(parent);
+               
+               if (!psf)
+                   break;
+                   
+               if (!parent)
+                   pf->list = psf;
+               else
+                   parent->next = psf;
+               parent = psf;   
+               sscanf(p, "%1s", psf->name);
+               p += SZ_SFNAME;
+               psf->data = (char *) xstrdup(p);
+           }
+           
+           xfree(pdup);
+       }
+    }
+    return pf;
+}