Added facility to make attibutes in grs.regx and grs.tcl filter using the

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

diff --git a/recctrl/regxread.c b/recctrl/regxread.c
index 7c9919f..d809993 100644 (file)
--- a/recctrl/regxread.c
+++ b/recctrl/regxread.c
@@ -1,4 +1,4 @@
-/* $Id: regxread.c,v 1.51 2004-08-04 08:35:25 adam Exp $
+/* $Id: regxread.c,v 1.52 2004-08-15 17:22:45 adam Exp $
    Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
    Index Data Aps
 
@@ -664,7 +664,8 @@ static struct lexSpec *curLexSpec = NULL;
 #endif
 
 static void execData (struct lexSpec *spec,
-                      const char *ebuf, int elen, int formatted_text)
+                      const char *ebuf, int elen, int formatted_text,
+                     const char *attribute_str, int attribute_len)
 {
     struct data1_node *res, *parent;
     int org_len;
@@ -691,43 +692,82 @@ static void execData (struct lexSpec *spec,
     parent = spec->d1_stack[spec->d1_level -1];
     assert (parent);
 
-    if ((res = spec->d1_stack[spec->d1_level]) && res->which == DATA1N_data)
-       org_len = res->u.data.len;
-    else
+    if (attribute_str)
     {
-       org_len = 0;
+       data1_xattr **ap;
+       res = parent;
+       if (res->which != DATA1N_tag)
+           return;
+       /* sweep through exising attributes.. */
+       for (ap = &res->u.tag.attributes; *ap; ap = &(*ap)->next)
+           if (strlen((*ap)->name) == attribute_len &&
+               !memcmp((*ap)->name, attribute_str, attribute_len))
+               break;
+       if (!*ap)
+       {
+           /* new attribute. Create it with name + value */
+           *ap = nmem_malloc(spec->m, sizeof(**ap));
 
-       res = data1_mk_node2 (spec->dh, spec->m, DATA1N_data, parent);
-       res->u.data.what = DATA1I_text;
-       res->u.data.len = 0;
-       res->u.data.formatted_text = formatted_text;
-       res->u.data.data = 0;
-       
-       if (spec->d1_stack[spec->d1_level])
-           spec->d1_stack[spec->d1_level]->next = res;
-       spec->d1_stack[spec->d1_level] = res;
-    }
-    if (org_len + elen >= spec->concatBuf[spec->d1_level].max)
-    {
-       char *old_buf, *new_buf;
+           (*ap)->name = nmem_malloc(spec->m, attribute_len+1);
+           memcpy((*ap)->name, attribute_str, attribute_len);
+           (*ap)->name[attribute_len] = '\0';
 
-       spec->concatBuf[spec->d1_level].max = org_len + elen + 256;
-       new_buf = (char *) xmalloc (spec->concatBuf[spec->d1_level].max);
-       if ((old_buf = spec->concatBuf[spec->d1_level].buf))
+           (*ap)->value = nmem_malloc(spec->m, elen+1);
+           memcpy((*ap)->value, ebuf, elen);
+           (*ap)->value[elen] = '\0';
+           (*ap)->next = 0;
+       }
+       else
+       {
+           /* append to value if attribute already exists */
+           char *nv = nmem_malloc(spec->m, elen + 1 + strlen((*ap)->value));
+           strcpy(nv, (*ap)->value);
+           memcpy (nv + strlen(nv), ebuf, elen);
+           nv[strlen(nv)+elen] = '\0';
+           (*ap)->value = nv;
+       }
+    } 
+    else 
+    {
+       if ((res = spec->d1_stack[spec->d1_level]) && 
+           res->which == DATA1N_data)
+           org_len = res->u.data.len;
+       else
        {
-           memcpy (new_buf, old_buf, org_len);
-           xfree (old_buf);
+           org_len = 0;
+           
+           res = data1_mk_node2 (spec->dh, spec->m, DATA1N_data, parent);
+           res->u.data.what = DATA1I_text;
+           res->u.data.len = 0;
+           res->u.data.formatted_text = formatted_text;
+           res->u.data.data = 0;
+           
+           if (spec->d1_stack[spec->d1_level])
+               spec->d1_stack[spec->d1_level]->next = res;
+           spec->d1_stack[spec->d1_level] = res;
+       }
+       if (org_len + elen >= spec->concatBuf[spec->d1_level].max)
+       {
+           char *old_buf, *new_buf;
+           
+           spec->concatBuf[spec->d1_level].max = org_len + elen + 256;
+           new_buf = (char *) xmalloc (spec->concatBuf[spec->d1_level].max);
+           if ((old_buf = spec->concatBuf[spec->d1_level].buf))
+           {
+               memcpy (new_buf, old_buf, org_len);
+               xfree (old_buf);
+           }
+           spec->concatBuf[spec->d1_level].buf = new_buf;
        }
-       spec->concatBuf[spec->d1_level].buf = new_buf;
+       memcpy (spec->concatBuf[spec->d1_level].buf + org_len, ebuf, elen);
+       res->u.data.len += elen;
     }
-    memcpy (spec->concatBuf[spec->d1_level].buf + org_len, ebuf, elen);
-    res->u.data.len += elen;
 }
 
 static void execDataP (struct lexSpec *spec,
                        const char *ebuf, int elen, int formatted_text)
 {
-    execData (spec, ebuf, elen, formatted_text);
+    execData (spec, ebuf, elen, formatted_text, 0, 0);
 }
 
 static void tagDataRelease (struct lexSpec *spec)
@@ -1148,6 +1188,7 @@ static int cmd_tcl_data (ClientData clientData, Tcl_Interp *interp,
     int argi = 1;
     int textFlag = 0;
     const char *element = 0;
+    const char *attribute = 0;
     struct lexSpec *spec = (struct lexSpec *) clientData;
     
     while (argi < argc)
@@ -1163,6 +1204,12 @@ static int cmd_tcl_data (ClientData clientData, Tcl_Interp *interp,
            if (argi < argc)
                element = argv[argi++];
        }
+       else if (!strcmp("-attribute", argv[argi]))
+       {
+           argi++;
+           if (argi < argc)
+               attribute = argv[argi++];
+       }
        else
            break;
     }
@@ -1174,10 +1221,12 @@ static int cmd_tcl_data (ClientData clientData, Tcl_Interp *interp,
 #if TCL_MAJOR_VERSION > 8 || (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION > 0)
        Tcl_DString ds;
        char *native = Tcl_UtfToExternalDString(0, argv[argi], -1, &ds);
-       execData (spec, native, strlen(native), textFlag);
+       execData (spec, native, strlen(native), textFlag, attribute, 
+                 attribute ? strlen(attribute) : 0);
        Tcl_DStringFree (&ds);
 #else
-       execData (spec, argv[argi], strlen(argv[argi]), textFlag);
+       execData (spec, argv[argi], strlen(argv[argi]), textFlag, attribute,
+                 attribute ? strlen(attribute) : 0);
 #endif
        argi++;
     }
@@ -1438,6 +1487,8 @@ static void execCode (struct lexSpec *spec, struct regxCode *code)
             int textFlag = 0;
             int element_len;
             const char *element_str = NULL;
+           int attribute_len;
+           const char *attribute_str = NULL;
             
             while ((r = execTok (spec, &s, &cmd_str, &cmd_len)) == 3)
             {
@@ -1449,6 +1500,13 @@ static void execCode (struct lexSpec *spec, struct regxCode *code)
                     if (r < 2)
                         break;
                 }
+                else if (cmd_len==10 && !memcmp ("-attribute", cmd_str, 
+                                                cmd_len))
+                {
+                    r = execTok (spec, &s, &attribute_str, &attribute_len);
+                    if (r < 2)
+                        break;
+                }
                 else 
                     logf (LOG_WARN, "bad data option: %.*s",
                           cmd_len, cmd_str);
@@ -1462,7 +1520,8 @@ static void execCode (struct lexSpec *spec, struct regxCode *code)
                 tagBegin (spec, element_str, element_len);
             do
             {
-                execData (spec, cmd_str, cmd_len,textFlag);
+                execData (spec, cmd_str, cmd_len, textFlag,
+                         attribute_str, attribute_len);
                 r = execTok (spec, &s, &cmd_str, &cmd_len);
             } while (r > 1);
             if (element_str)