[goffice] Introspection fixes

[Morten Welinder <mortenw src gnome org>]

commit 7cad185ba751fab47f1eb2d4c8ae94e6d532d07d
Author: Morten Welinder <terra gnome org>
Date:   Sat Apr 14 21:47:34 2018 -0400

    Introspection fixes
    
    Introduce an identifier filter so we handle the Goc prefix better.
    We ought to do something for Gog too, but the many View classes
    are a problem.

 goffice/Makefile.am                   |    1 +
 tools/introspection-identifier-filter |   10 ++++++++++
 2 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/goffice/Makefile.am b/goffice/Makefile.am
index bb69491..20009e9 100644
--- a/goffice/Makefile.am
+++ b/goffice/Makefile.am
@@ -6,6 +6,7 @@ INTROSPECTION_SCANNER_ARGS = \
        --add-include-path="${INTROSPECTION_GIRDIR}" \
        -v --warn-all --accept-unprefixed -DGOFFICE_DISABLE_DEPRECATED \
        --namespace GOffice --nsversion="@GOFFICE_API_VER@" \
+       --identifier-filter-cmd="$(top_srcdir)/tools/introspection-identifier-filter" \
        --identifier-prefix="GO"  --identifier-prefix="Go" \
        --symbol-prefix="go" --symbol-prefix="libgoffice"
 
diff --git a/tools/introspection-identifier-filter b/tools/introspection-identifier-filter
new file mode 100755
index 0000000..64ce02c
--- /dev/null
+++ b/tools/introspection-identifier-filter
@@ -0,0 +1,10 @@
+#!/usr/bin/perl -w
+
+while (<STDIN>) {
+    # s/^GogGraph/GoGraph/; # GogView will clash with GogGraphView
+    s/^Gog/GoGraph/;
+
+    s/^GocCanvas/GoCanvas/;
+    s/^Goc/GoCanvas/;
+    print;
+}