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builder: Allow text content in <lookup>

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<lookup>foo</lookup>
is now short for
  <lookup>
    <constant>foo</constant>
  </lookup>
ie it looks up the object with the given name so it can then do a
property lookup with it.

This is the most common operation, so it's a nice shortcut.
This commit is contained in:
Benjamin Otte 2019-11-25 08:06:45 +01:00 committed by Matthias Clasen
parent 448a88e4f5
commit 713a6676ff
1 changed files with 21 additions and 0 deletions
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21
gtk/gtkbuilderparser.c
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@ -1961,6 +1961,27 @@ text (GtkBuildableParseContext *context,
g_string_append_len (expr_info->constant.text, text, text_len);
}
else if (strcmp (gtk_buildable_parse_context_get_element (context), "lookup") == 0)
{
ExpressionInfo *expr_info = (ExpressionInfo *) info;
while (g_ascii_isspace (*text) && text_len > 0)
{
text++;
text_len--;
}
while (text_len > 0 && g_ascii_isspace (text[text_len - 1]))
text_len--;
if (expr_info->property.expression == NULL && text_len > 0)
{
ExpressionInfo *constant = g_slice_new0 (ExpressionInfo);
constant->tag_type = TAG_EXPRESSION;
constant->expression_type = EXPRESSION_CONSTANT;
constant->constant.type = G_TYPE_INVALID;
constant->constant.text = g_string_new_len (text, text_len);
expr_info->property.expression = constant;
}
}
}
static void