Changeset 1c28ff5 in OpenModelica for OMCompiler/Compiler/Util/StringUtil.mo

Timestamp:

2021-04-06T15:14:58+02:00 (3 years ago)

Author:

Martin Sjölund <martin@…>

Parents:

f33851b5

git-author:

Martin Sjölund <martin@…> (03/16/21 08:57:25)

git-committer:

Martin Sjölund <martin@…> (04/06/21 15:14:58)

Message:

Handle UTF8 BOM in the diff API

File:

• OMCompiler/Compiler/Util/StringUtil.mo (modified) (1 diff)

OMCompiler/Compiler/Util/StringUtil.mo

@@ -387 +387 @@
 end endsWithNewline;
 
+function convertCharNonAsciiToHex "Converts a single character string to a hex representation if it is not valid unicode"
+  input output String s;
+protected
+  Integer i;
+  constant String hex[:] = array("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F");
+algorithm
+  i := stringCharInt(s);
+  if i < 128 then
+    return;
+  end if;
+  s := "0x" + hex[intDiv(i, 16)+1] + hex[intMod(i, 16)+1];
+end convertCharNonAsciiToHex;
+
+function stripBOM
+  input output String s;
+  output String bom = "";
+algorithm
+  if stringLength(s) < 3 then
+    return;
+  end if;
+  if stringGet(s,1) == 239 and
+     stringGet(s,2) == 187 and
+     stringGet(s,3) == 191 then
+    s := substring(s, 4, stringLength(s));
+    bom := substring(s, 1, 3);
+  end if;
+end stripBOM;
+
 annotation(__OpenModelica_Interface="util");
 end StringUtil;