[pango] Avoid deprecation warnings

[Matthias Clasen <matthiasc src gnome org>]

commit 6cc857aa6648b17e70b1b2b13a4e8b7a74a4a240
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Aug 29 08:50:38 2016 -0400

    Avoid deprecation warnings
    
    Now that we're using new-style deprecations, we have to fight
    a little harder to get rid of them inside pango.

 pango-view/viewer-render.c   |    2 +
 pango/Makefile.am            |    1 +
 pango/break.c                |    2 +
 pango/pango-context.c        |    2 +
 pango/pango-engine.c         |    8 +++++-
 pango/pango-markup.c         |    9 ++++---
 pango/pango-utils-internal.h |   45 ++++++++++++++++++++++++++++++++++++++++++
 pango/pango-utils.c          |   26 ++++++++++++++++++++++-
 8 files changed, 87 insertions(+), 8 deletions(-)
---
diff --git a/pango-view/viewer-render.c b/pango-view/viewer-render.c
index 519a0e1..573cb59 100644
--- a/pango-view/viewer-render.c
+++ b/pango-view/viewer-render.c
@@ -358,11 +358,13 @@ parse_enum (GType       type,
   char *possible_values = NULL;
   gboolean ret;
 
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
   ret = pango_parse_enum (type,
                          arg,
                          value,
                          FALSE,
                          &possible_values);
+G_GNUC_END_IGNORE_DEPRECATIONS
 
   if (!ret && error)
     {
diff --git a/pango/Makefile.am b/pango/Makefile.am
index 423d374..4fddcaa 100644
--- a/pango/Makefile.am
+++ b/pango/Makefile.am
@@ -94,6 +94,7 @@ libpango_1_0_la_SOURCES =                     \
        pango-script-private.h                  \
        pango-tabs.c                            \
        pango-utils.c                           \
+       pango-utils-internal.h                  \
        reorder-items.c                         \
        shape.c                                 \
        pango-enum-types.c
diff --git a/pango/break.c b/pango/break.c
index b4b3c82..498f764 100644
--- a/pango/break.c
+++ b/pango/break.c
@@ -1935,7 +1935,9 @@ break_script (const char          *item_text,
 typedef PangoEngineLang      PangoLanguageEngine;
 typedef PangoEngineLangClass PangoLanguageEngineClass;
 static GType pango_language_engine_get_type (void) G_GNUC_CONST;
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
 G_DEFINE_TYPE (PangoLanguageEngine, pango_language_engine, PANGO_TYPE_ENGINE_LANG);
+G_GNUC_END_IGNORE_DEPRECATIONS
 static void
 _pango_language_engine_break (PangoEngineLang *engine G_GNUC_UNUSED,
                              const char      *item_text,
diff --git a/pango/pango-context.c b/pango/pango-context.c
index 0344e33..f91d0fe 100644
--- a/pango/pango-context.c
+++ b/pango/pango-context.c
@@ -1433,9 +1433,11 @@ itemize_state_process_run (ItemizeState *state)
 
          if (!g_object_get_data (G_OBJECT (fontmap), script_name))
            {
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
              g_warning ("failed to choose a font, expect ugly output. engine-type='%s', script='%s'",
                         pango_font_map_get_shape_engine_type (fontmap),
                         script_name);
+G_GNUC_END_IGNORE_DEPRECATIONS
 
              g_object_set_data_full (G_OBJECT (fontmap), script_name,
                                      GINT_TO_POINTER (1), NULL);
diff --git a/pango/pango-engine.c b/pango/pango-engine.c
index 3f3a3c3..a22270e 100644
--- a/pango/pango-engine.c
+++ b/pango/pango-engine.c
@@ -83,8 +83,9 @@ pango_engine_class_init (PangoEngineClass *klass)
 {
 }
 
-
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
 G_DEFINE_ABSTRACT_TYPE (PangoEngineLang, pango_engine_lang, PANGO_TYPE_ENGINE);
+G_GNUC_END_IGNORE_DEPRECATIONS
 
 static void
 pango_engine_lang_init (PangoEngineLang *self)
@@ -111,8 +112,9 @@ pango_engine_shape_real_covers (PangoEngineShape *engine G_GNUC_UNUSED,
   return result;
 }
 
-
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
 G_DEFINE_ABSTRACT_TYPE (PangoEngineShape, pango_engine_shape, PANGO_TYPE_ENGINE);
+G_GNUC_END_IGNORE_DEPRECATIONS
 
 static void
 pango_engine_shape_init (PangoEngineShape *klass)
@@ -231,7 +233,9 @@ fallback_engine_covers (PangoEngineShape *engine G_GNUC_UNUSED,
 
 static GType pango_fallback_engine_get_type (void);
 
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
 G_DEFINE_TYPE (PangoFallbackEngine, pango_fallback_engine, PANGO_TYPE_ENGINE_SHAPE);
+G_GNUC_END_IGNORE_DEPRECATIONS
 
 static void
 pango_fallback_engine_init (PangoFallbackEngine *self)
diff --git a/pango/pango-markup.c b/pango/pango-markup.c
index b4fe881..c174736 100644
--- a/pango/pango-markup.c
+++ b/pango/pango-markup.c
@@ -28,6 +28,7 @@
 #include "pango-font.h"
 #include "pango-enum-types.h"
 #include "pango-impl-utils.h"
+#include "pango-utils-internal.h"
 
 /* FIXME */
 #define _(x) x
@@ -952,7 +953,7 @@ span_parse_int (const char *attr_name,
 {
   const char *end = attr_val;
 
-  if (!pango_scan_int (&end, val) || *end != '\0')
+  if (!_pango_scan_int (&end, val) || *end != '\0')
     {
       g_set_error (error,
                   G_MARKUP_ERROR,
@@ -1037,7 +1038,7 @@ span_parse_alpha (const char  *attr_name,
   const char *end = attr_val;
   int int_val;
 
-  if (pango_scan_int (&end, &int_val))
+  if (_pango_scan_int (&end, &int_val))
     {
       if (*end == '\0' && int_val > 0 && int_val <= 0xffff)
         {
@@ -1087,7 +1088,7 @@ span_parse_enum (const char *attr_name,
 {
   char *possible_values = NULL;
 
-  if (!pango_parse_enum (type, attr_val, val, FALSE, &possible_values))
+  if (!_pango_parse_enum (type, attr_val, val, FALSE, &possible_values))
     {
       g_set_error (error,
                   G_MARKUP_ERROR,
@@ -1261,7 +1262,7 @@ span_parse_func     (MarkupData            *md G_GNUC_UNUSED,
          const char *end;
          gint n;
 
-         if ((end = size, !pango_scan_int (&end, &n)) || *end != '\0' || n < 0)
+         if ((end = size, !_pango_scan_int (&end, &n)) || *end != '\0' || n < 0)
            {
              g_set_error (error,
                           G_MARKUP_ERROR,
diff --git a/pango/pango-utils-internal.h b/pango/pango-utils-internal.h
new file mode 100644
index 0000000..6af6ed5
--- /dev/null
+++ b/pango/pango-utils-internal.h
@@ -0,0 +1,45 @@
+/* Pango
+ * pango-utils.c: Utilities for internal functions and modules
+ *
+ * Copyright (C) 2000 Red Hat Software
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.         See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __PANGO_UTILS_INTERNAL_H__
+#define __PANGO_UTILS_INTERNAL_H__
+
+#include <stdio.h>
+#include <glib.h>
+#include <pango/pango-font.h>
+
+G_BEGIN_DECLS
+
+gboolean _pango_scan_int      (const char **pos,
+                              int         *out);
+
+gboolean _pango_parse_enum    (GType       type,
+                               const char *str,
+                               int        *value,
+                               gboolean    warn,
+                               char      **possible_values);
+
+char    *_pango_trim_string   (const char *str);
+
+
+G_END_DECLS
+
+#endif /* __PANGO_UTILS_H__ */
diff --git a/pango/pango-utils.c b/pango/pango-utils.c
index c7c7d65..9bdc6f1 100644
--- a/pango/pango-utils.c
+++ b/pango/pango-utils.c
@@ -47,6 +47,7 @@
 #include "pango-font.h"
 #include "pango-features.h"
 #include "pango-impl-utils.h"
+#include "pango-utils-internal.h"
 
 #include <glib/gstdio.h>
 
@@ -165,6 +166,12 @@ pango_version_check (int required_major,
 char *
 pango_trim_string (const char *str)
 {
+  return _pango_trim_string (str);
+}
+
+char *
+_pango_trim_string (const char *str)
+{
   int len;
 
   g_return_val_if_fail (str != NULL, NULL);
@@ -202,7 +209,7 @@ pango_split_file_list (const char *str)
 
   while (files[i])
     {
-      char *file = pango_trim_string (files[i]);
+      char *file = _pango_trim_string (files[i]);
 
       /* If the resulting file is empty, skip it */
       if (file[0] == '\0')
@@ -531,6 +538,12 @@ pango_scan_string (const char **pos, GString *out)
 gboolean
 pango_scan_int (const char **pos, int *out)
 {
+  return _pango_scan_int (pos, out);
+}
+
+gboolean
+_pango_scan_int (const char **pos, int *out)
+{
   char *end;
   long temp;
 
@@ -553,7 +566,6 @@ pango_scan_int (const char **pos, int *out)
   return TRUE;
 }
 
-
 /**
  * pango_config_key_get_system:
  * @key: Key to look up, in the form "SECTION/KEY".
@@ -701,6 +713,16 @@ pango_parse_enum (GType       type,
                  gboolean    warn,
                  char      **possible_values)
 {
+  return _pango_parse_enum (type, str, value, warn, possible_values);
+}
+
+gboolean
+_pango_parse_enum (GType       type,
+                  const char *str,
+                  int        *value,
+                  gboolean    warn,
+                  char      **possible_values)
+{
   GEnumClass *class = NULL;
   gboolean ret = TRUE;
   GEnumValue *v = NULL;