maint: update copyright
[gnulib.git] / lib / unilbrk / u16-possible-linebreaks.c
index 0b18f72..1927c84 100644 (file)
@@ -1,5 +1,5 @@
 /* Line breaking of UTF-16 strings.
-   Copyright (C) 2001-2003, 2006-2008 Free Software Foundation, Inc.
+   Copyright (C) 2001-2003, 2006-2014 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2001.
 
    This program is free software: you can redistribute it and/or modify it
@@ -23,7 +23,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "unilbrk/tables.h"
+#include "unilbrk/lbrktables.h"
 #include "uniwidth/cjk.h"
 #include "unistr.h"
 
@@ -46,117 +46,117 @@ u16_possible_linebreaks (const uint16_t *s, size_t n, const char *encoding, char
       int prop = unilbrkprop_lookup (uc);
 
       if (prop == LBP_BK)
-       {
-         /* Mandatory break.  */
-         *p = UC_BREAK_MANDATORY;
-         last_prop = LBP_BK;
-         seen_space = NULL;
-         seen_space2 = NULL;
-       }
+        {
+          /* Mandatory break.  */
+          *p = UC_BREAK_MANDATORY;
+          last_prop = LBP_BK;
+          seen_space = NULL;
+          seen_space2 = NULL;
+        }
       else
-       {
-         char *q;
+        {
+          char *q;
 
-         /* Resolve property values whose behaviour is not fixed.  */
-         switch (prop)
-           {
-           case LBP_AI:
-             /* Resolve ambiguous.  */
-             prop = LBP_AI_REPLACEMENT;
-             break;
-           case LBP_CB:
-             /* This is arbitrary.  */
-             prop = LBP_ID;
-             break;
-           case LBP_SA:
-             /* We don't handle complex scripts yet.
-                Treat LBP_SA like LBP_XX.  */
-           case LBP_XX:
-             /* This is arbitrary.  */
-             prop = LBP_AL;
-             break;
-           }
+          /* Resolve property values whose behaviour is not fixed.  */
+          switch (prop)
+            {
+            case LBP_AI:
+              /* Resolve ambiguous.  */
+              prop = LBP_AI_REPLACEMENT;
+              break;
+            case LBP_CB:
+              /* This is arbitrary.  */
+              prop = LBP_ID;
+              break;
+            case LBP_SA:
+              /* We don't handle complex scripts yet.
+                 Treat LBP_SA like LBP_XX.  */
+            case LBP_XX:
+              /* This is arbitrary.  */
+              prop = LBP_AL;
+              break;
+            }
 
-         /* Deal with spaces and combining characters.  */
-         q = p;
-         if (prop == LBP_SP)
-           {
-             /* Don't break just before a space.  */
-             *p = UC_BREAK_PROHIBITED;
-             seen_space2 = seen_space;
-             seen_space = p;
-           }
-         else if (prop == LBP_ZW)
-           {
-             /* Don't break just before a zero-width space.  */
-             *p = UC_BREAK_PROHIBITED;
-             last_prop = LBP_ZW;
-             seen_space = NULL;
-             seen_space2 = NULL;
-           }
-         else if (prop == LBP_CM)
-           {
-             /* Don't break just before a combining character, except immediately after a
-                zero-width space.  */
-             if (last_prop == LBP_ZW)
-               {
-                 /* Break after zero-width space.  */
-                 *p = UC_BREAK_POSSIBLE;
-                 /* A combining character turns a preceding space into LBP_ID.  */
-                 last_prop = LBP_ID;
-               }
-             else
-               {
-                 *p = UC_BREAK_PROHIBITED;
-                 /* A combining character turns a preceding space into LBP_ID.  */
-                 if (seen_space != NULL)
-                   {
-                     q = seen_space;
-                     seen_space = seen_space2;
-                     prop = LBP_ID;
-                     goto lookup_via_table;
-                   }
-               }
-           }
-         else
-           {
-            lookup_via_table:
-             /* prop must be usable as an index for table 7.3 of UTR #14.  */
-             if (!(prop >= 0 && prop < sizeof (unilbrk_table) / sizeof (unilbrk_table[0])))
-               abort ();
+          /* Deal with spaces and combining characters.  */
+          q = p;
+          if (prop == LBP_SP)
+            {
+              /* Don't break just before a space.  */
+              *p = UC_BREAK_PROHIBITED;
+              seen_space2 = seen_space;
+              seen_space = p;
+            }
+          else if (prop == LBP_ZW)
+            {
+              /* Don't break just before a zero-width space.  */
+              *p = UC_BREAK_PROHIBITED;
+              last_prop = LBP_ZW;
+              seen_space = NULL;
+              seen_space2 = NULL;
+            }
+          else if (prop == LBP_CM)
+            {
+              /* Don't break just before a combining character, except immediately after a
+                 zero-width space.  */
+              if (last_prop == LBP_ZW)
+                {
+                  /* Break after zero-width space.  */
+                  *p = UC_BREAK_POSSIBLE;
+                  /* A combining character turns a preceding space into LBP_ID.  */
+                  last_prop = LBP_ID;
+                }
+              else
+                {
+                  *p = UC_BREAK_PROHIBITED;
+                  /* A combining character turns a preceding space into LBP_ID.  */
+                  if (seen_space != NULL)
+                    {
+                      q = seen_space;
+                      seen_space = seen_space2;
+                      prop = LBP_ID;
+                      goto lookup_via_table;
+                    }
+                }
+            }
+          else
+            {
+             lookup_via_table:
+              /* prop must be usable as an index for table 7.3 of UTR #14.  */
+              if (!(prop >= 0 && prop < sizeof (unilbrk_table) / sizeof (unilbrk_table[0])))
+                abort ();
 
-             if (last_prop == LBP_BK)
-               {
-                 /* Don't break at the beginning of a line.  */
-                 *q = UC_BREAK_PROHIBITED;
-               }
-             else if (last_prop == LBP_ZW)
-               {
-                 /* Break after zero-width space.  */
-                 *q = UC_BREAK_POSSIBLE;
-               }
-             else
-               {
-                 switch (unilbrk_table [last_prop] [prop])
-                   {
-                   case D:
-                     *q = UC_BREAK_POSSIBLE;
-                     break;
-                   case I:
-                     *q = (seen_space != NULL ? UC_BREAK_POSSIBLE : UC_BREAK_PROHIBITED);
-                     break;
-                   case P:
-                     *q = UC_BREAK_PROHIBITED;
-                     break;
-                   default:
-                     abort ();
-                   }
-               }
-             last_prop = prop;
-             seen_space = NULL;
-             seen_space2 = NULL;
-           }
-       }
+              if (last_prop == LBP_BK)
+                {
+                  /* Don't break at the beginning of a line.  */
+                  *q = UC_BREAK_PROHIBITED;
+                }
+              else if (last_prop == LBP_ZW)
+                {
+                  /* Break after zero-width space.  */
+                  *q = UC_BREAK_POSSIBLE;
+                }
+              else
+                {
+                  switch (unilbrk_table [last_prop] [prop])
+                    {
+                    case D:
+                      *q = UC_BREAK_POSSIBLE;
+                      break;
+                    case I:
+                      *q = (seen_space != NULL ? UC_BREAK_POSSIBLE : UC_BREAK_PROHIBITED);
+                      break;
+                    case P:
+                      *q = UC_BREAK_PROHIBITED;
+                      break;
+                    default:
+                      abort ();
+                    }
+                }
+              last_prop = prop;
+              seen_space = NULL;
+              seen_space2 = NULL;
+            }
+        }
 
       s += count;
       p += count;