Changeset 4817

Timestamp:

Aug 18, 2005, 1:41:45 PM (21 years ago)

Author:

drobbin

Message:

bug 506 - psMetadataLookupMD, LookupString, Print folded in (prototype code)

Location:

trunk/psLib/src/types

Files:

• psMetadata.c (modified) (2 diffs)
• psMetadata.h (modified) (2 diffs)

trunk/psLib/src/types/psMetadata.c

@@ -12 +12 @@
 *  @author Ross Harman, MHPCC
 *
-*  @version $Revision: 1.75 $ $Name: not supported by cvs2svn $
-*  @date $Date: 2005-08-16 21:06:33 $
+*  @version $Revision: 1.76 $ $Name: not supported by cvs2svn $
+*  @date $Date: 2005-08-18 23:41:45 $
 *
 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -762 +762 @@
     return oldValue;
 }
+
+psMetadata *psMetadataLookupMD(bool *status, const
+                               psMetadata *md,
+                               const char *key)
+{
+    psMetadataItem *item = psMetadataLookup((psMetadata*)md, key); // The metadata with instruments
+    psMetadata *value = NULL;  // The value to return
+    if (!item) {
+        // The given key isn't in the metadata
+        if (status) {
+            *status = false;
+        } else {
+            psError(PS_ERR_IO, true, "Couldn't find %s in the metadata.\n");
+        }
+    } else if (item->type != PS_META_META) {
+        // The value at the key isn't metadata
+        if (status) {
+            *status = false;
+        } else {
+            psLogMsg(__func__, PS_LOG_WARN, "%s isn't of type PS_META_META, as expected.\n");
+        }
+        value = NULL;
+    } else {
+        // We have the requested metadata
+        if (status) {
+            *status = true;
+        }
+        value = item->data.md; // The requested metadata
+    }
+    return value;
+}
+
+
+char *psMetadataLookupString(bool *status,
+                             const psMetadata *md,
+                             const char *key)
+{
+    psMetadataItem *item = psMetadataLookup((psMetadata*)md, key); // The metadata with instruments
+    char *value = NULL;   // The value to return
+    if (!item) {
+        // The given key isn't in the metadata
+        if (status) {
+            *status = false;
+        } else {
+            psError(PS_ERR_IO, true, "Couldn't find %s in the metadata.\n");
+        }
+    } else if (item->type != PS_META_STR) {
+        // The value at the key isn't of the desired type
+        if (status) {
+            *status = false;
+        } else {
+            psLogMsg(__func__, PS_LOG_WARN, "%s isn't of type PS_META_STR, as expected.\n");
+        }
+        value = NULL;
+    } else {
+        // We have the requested metadata
+        if (status) {
+            *status = true;
+        }
+        value = item->data.V; // The requested metadata
+    }
+    return value;
+}
+
+
+void psMetadataPrint(psMetadata *md,
+                     int level)
+{
+    psMetadataIterator *iter = psMetadataIteratorAlloc(md, PS_LIST_HEAD, NULL); // Iterator
+    psMetadataItem *item = NULL; // Item from metadata
+    while ( (item = psMetadataGetAndIncrement(iter)) ) {
+        // Indent...
+        for (int i = 0; i < level; i++) {
+            printf(" ");
+        }
+        printf("%s", item->name);
+        if (item->comment && strlen(item->comment) > 0) {
+            printf(" (%s)", item->comment);
+        }
+        printf(": ");
+        switch (item->type) {
+        case PS_META_STR:
+            printf("%s", (char*)(item->data.V));
+            break;
+        case PS_META_BOOL:
+            if (item->data.B) {
+                printf("True");
+            } else {
+                printf("False");
+            }
+            break;
+        case PS_META_S32:
+            printf("%d", item->data.S32);
+            break;
+        case PS_META_F32:
+            printf("%f", item->data.F32);
+            break;
+        case PS_META_F64:
+            printf("%f", item->data.F64);
+            break;
+        case PS_META_META:
+            printf("\n");
+            psMetadataPrint(item->data.V, level + 1);
+            break;
+        default:
+            psError(PS_ERR_IO, false, "Non-printable metadata type: %x\n", item->type);
+        }
+        printf("\n");
+    }
+    psFree(iter);
+
+    return;
+}
+
+

trunk/psLib/src/types/psMetadata.h

@@ -11 +11 @@
 *  @author Ross Harman, MHPCC
 *
-*  @version $Revision: 1.57 $ $Name: not supported by cvs2svn $
-*  @date $Date: 2005-08-16 21:06:33 $
+*  @version $Revision: 1.58 $ $Name: not supported by cvs2svn $
+*  @date $Date: 2005-08-18 23:41:45 $
 *
 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -613 +613 @@
 );
 
+/** Find an item in the metadata collection based on key name and return its metadata value.
+ *
+ *  Items may be found in the metadata by providing a key. If the key is
+ *  non-unique, the value of the first item is returned. If the item is not found, zero is
+ *  returned.
+ *
+ *  @return psMetadata*:        Value of metadata item.
+ */
+psMetadata *psMetadataLookupMD(
+    bool *status,                      ///< Status of lookup.
+    const psMetadata *md,              ///< Metadata collection to lookup metadata item.
+    const char *key                    ///< Name of metadata key.
+);
+
+/** Find an item in the metadata collection based on key name and return its string value.
+ *
+ *  Items may be found in the metadata by providing a key. If the key is
+ *  non-unique, the value of the first item is returned. If the item is not found, zero is
+ *  returned.
+ *
+ *  @return char*:           Value of metadata item.
+ */
+char *psMetadataLookupString(
+    bool *status,                      ///< Status of lookup.
+    const psMetadata *md,              ///< Metadata collection to lookup metadata item.
+    const char *key                    ///< Name of metadata key.
+);
+
+/** Print metadata collection to screen      */
+void psMetadataPrint(
+    psMetadata *md,                    ///< Metadata collection to print.
+    int level                          ///< the level of metadata items.
+);
+
 /// @}