Add global option `nospaces' to tbl so that leading and trailing

spaces in data items are ignored.

* src/libs/libgroff/string.cc (string::remove_spaces): New member
function to remove leading and trailing spaces.
* src/include/stringclass.h: Updated.

* src/preproc/tbl/table.h (table): Add flag `NOSPACES'.

* src/preproc/tbl/main.cc (process_options): Handle `nospaces'
option.
Fix typo in error messages.
(process_data): Implement `nospaces' option.
* src/preproc/tbl/tbl.man, NEWS, doc/webpage.ms: Updated.

1 files changed, 31 insertions, 1 deletions

diff --git a/src/libs/libgroff/string.cc b/src/libs/libgroff/string.cc
index ef1dbb20..97cf50e5 100644
--- a/src/libs/libgroff/string.cc
+++ b/src/libs/libgroff/string.cc
@@ -1,5 +1,6 @@
 // -*- C++ -*-
-/* Copyright (C) 1989, 1990, 1991, 1992, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1989, 1990, 1991, 1992, 2001, 2002
+   Free Software Foundation, Inc.
      Written by James Clark (jjc@jclark.com)
 
 This file is part of groff.
@@ -294,6 +295,35 @@ char *string::extract() const
   return q;
 }
 
+void string::remove_spaces()
+{
+  int l = len - 1;
+  while (l >= 0 && ptr[l] == ' ')
+    l--;
+  char *p = ptr;
+  if (l > 0)
+    while (*p == ' ') {
+      p++;
+      l--;
+    }
+  if (len - 1 != l) {
+    if (l >= 0) {
+      len = l + 1;
+      char *tmp = new char[len];
+      memcpy(tmp, p, len);
+      a_delete ptr;
+      ptr = tmp;
+    }
+    else {
+      len = 0;
+      if (ptr) {
+	a_delete ptr;
+	ptr = 0;
+      }
+    }
+  }
+}
+
 void put_string(const string &s, FILE *fp)
 {
   int len = s.length();