Replaced enums by #define's in definitions of word, meta and string types.

It's less elegant, but it gives a chance to detect whether a specific type
exists or not.

diff --git a/lib/custom.h b/lib/custom.h
index 8ec3516fa0e0f905ec92a2b1cb7c398481c7e30c..ebef02ebec574e13a14a72948c6467159bbeb82b 100644 (file)
--- a/lib/custom.h
+++ b/lib/custom.h
@@ -9,17 +9,15 @@
 
 /* Word types (at most 7 of them + WT_RESERVED and WT_MAX) */
 
-enum word_type {
-  WT_RESERVED,                         /* Reserved word type */
-  WT_TEXT,                             /* Ordinary text */
-  WT_EMPH,                             /* Emphasized text */
-  WT_SMALL,                            /* Small font */
-  WT_SMALL_HEADING,                    /* Heading */
-  WT_BIG_HEADING,                      /* Larger heading */
-  WT_ALT,                              /* Alternate texts for graphical elements */
-  WT_LINK,                             /* Link text */
-  WT_MAX
-};
+#define WT_RESERVED            0       /* Reserved word type */
+#define WT_TEXT                        1       /* Ordinary text */
+#define WT_EMPH                        2       /* Emphasized text */
+#define WT_SMALL               3       /* Small font */
+#define WT_SMALL_HEADING       4       /* Heading */
+#define WT_BIG_HEADING         5       /* Larger heading */
+#define WT_ALT                 6       /* Alternate texts for graphical elements */
+#define WT_LINK                        7       /* Link text */
+#define WT_MAX                 8
 
 /* Descriptive names used for user output */
 #define WORD_TYPE_USER_NAMES                                                   \
@@ -45,12 +43,10 @@ enum word_type {
 
 /* Meta information types (at most 16 of them + MT_MAX) */
 
-enum meta_type {
-  MT_TITLE,                            /* Document title */
-  MT_KEYWORD,                          /* Keyword from the document */
-  MT_MISC,                             /* Unclassified metas */
-  MT_MAX
-};
+#define MT_TITLE               0       /* Document title */
+#define MT_KEYWORD             1       /* Keyword from the document */
+#define MT_MISC                        2       /* Unclassified metas */
+#define MT_MAX                 3
 
 #define META_TYPE_USER_NAMES                   \
    "title", "keywd", "misc"
@@ -66,14 +62,12 @@ enum meta_type {
 
 /* String types */
 
-enum string_type {
-  ST_RESERVED,                         /* Reserved string type */
-  ST_URL,                              /* URL of the document */
-  ST_HOST,                             /* Host name */
-  ST_DOMAIN,                           /* Domain name */
-  ST_REF,                              /* URL reference */
-  ST_MAX
-};
+#define ST_RESERVED            0       /* Reserved string type */
+#define ST_URL                 1       /* URL of the document */
+#define ST_HOST                        2       /* Host name */
+#define ST_DOMAIN              3       /* Domain name */
+#define ST_REF                 4       /* URL reference */
+#define ST_MAX                 5
 
 #define STRING_TYPE_USER_NAMES                                                 \
    "URL", "host", "domain", "ref", "type4", "type5", "type6", "type7", \