From 835e373b3eeaabcd0621ed6798ab500f37982fae Mon Sep 17 00:00:00 2001
From: Calvin Morrison <calvin@pobox.com>
Date: Wed, 5 Apr 2023 14:13:39 -0400
Subject: xpdf-no-select-disable

---
 xpdf/Error.cc | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 xpdf/Error.cc

(limited to 'xpdf/Error.cc')

diff --git a/xpdf/Error.cc b/xpdf/Error.cc
new file mode 100644
index 0000000..5a97505
--- /dev/null
+++ b/xpdf/Error.cc
@@ -0,0 +1,92 @@
+//========================================================================
+//
+// Error.cc
+//
+// Copyright 1996-2013 Glyph & Cog, LLC
+//
+//========================================================================
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma implementation
+#endif
+
+#include <stdio.h>
+#include <stddef.h>
+#include <stdarg.h>
+#include "gmempp.h"
+#include "GString.h"
+#include "GlobalParams.h"
+#include "Error.h"
+
+const char *errorCategoryNames[] = {
+  "Syntax Warning",
+  "Syntax Error",
+  "Config Error",
+  "Command Line Error",
+  "I/O Error",
+  "Permission Error",
+  "Unimplemented Feature",
+  "Internal Error"
+};
+
+static void (*errorCbk)(void *data, ErrorCategory category,
+			int pos, char *msg) = NULL;
+static void *errorCbkData = NULL;
+
+void setErrorCallback(void (*cbk)(void *data, ErrorCategory category,
+				  int pos, char *msg),
+		      void *data) {
+  errorCbk = cbk;
+  errorCbkData = data;
+}
+
+void *getErrorCallbackData() {
+  return errorCbkData;
+}
+
+void CDECL error(ErrorCategory category, GFileOffset pos,
+		 const char *msg, ...) {
+  va_list args;
+  GString *s, *sanitized;
+  char c;
+  int i;
+
+  // NB: this can be called before the globalParams object is created
+  if (!errorCbk && globalParams && globalParams->getErrQuiet()) {
+    return;
+  }
+  va_start(args, msg);
+  s = GString::formatv(msg, args);
+  va_end(args);
+
+  // remove non-printable characters, just in case they might cause
+  // problems for the terminal program
+  sanitized = new GString();
+  for (i = 0; i < s->getLength(); ++i) {
+    c = s->getChar(i);
+    if (c >= 0x20 && c <= 0x7e) {
+      sanitized->append(c);
+    } else {
+      sanitized->appendf("<{0:02x}>", c & 0xff);
+    }
+  }
+
+  if (errorCbk) {
+    (*errorCbk)(errorCbkData, category, (int)pos, sanitized->getCString());
+  } else {
+    fflush(stdout);
+    if (pos >= 0) {
+      fprintf(stderr, "%s (%d): %s\n",
+	      errorCategoryNames[category], (int)pos, sanitized->getCString());
+    } else {
+      fprintf(stderr, "%s: %s\n",
+	      errorCategoryNames[category], sanitized->getCString());
+    }
+    fflush(stderr);
+  }
+
+  delete s;
+  delete sanitized;
+}
-- 
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