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monitor-config-store: Make monitor spec parsing/writing reusable

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Another use of <monitorspec> will be added, so make the code dealing
with parsing and writing the reusable.

https://bugzilla.gnome.org/show_bug.cgi?id=787629
This commit is contained in:
Jonas Ådahl 2017-09-28 11:33:02 -04:00
parent b6110ba8dc
commit 838df4b00b
1 changed files with 46 additions and 15 deletions
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61
src/backends/meta-monitor-config-store.c
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@ -159,6 +159,8 @@ typedef struct
ParserState state;
MetaMonitorConfigStore *config_store;
ParserState monitor_spec_parent_state;
gboolean current_was_migrated;
GList *current_logical_monitor_configs;
MetaMonitorSpec *current_monitor_spec;
@ -351,7 +353,7 @@ handle_start_element (GMarkupParseContext *context,
if (g_str_equal (element_name, "monitorspec"))
{
parser->current_monitor_spec = g_new0 (MetaMonitorSpec, 1);
parser->monitor_spec_parent_state = STATE_MONITOR;
parser->state = STATE_MONITOR_SPEC;
}
else if (g_str_equal (element_name, "mode"))
@ -513,6 +515,25 @@ derive_logical_monitor_layout (MetaLogicalMonitorConfig *logical_monitor_conf
return TRUE;
}
static void
finish_monitor_spec (ConfigParser *parser)
{
switch (parser->monitor_spec_parent_state)
{
case STATE_MONITOR:
{
parser->current_monitor_config->monitor_spec =
parser->current_monitor_spec;
parser->current_monitor_spec = NULL;
return;
}
default:
g_assert_not_reached ();
}
}
static void
handle_end_element (GMarkupParseContext *context,
const char *element_name,
@ -575,11 +596,9 @@ handle_end_element (GMarkupParseContext *context,
if (!meta_verify_monitor_spec (parser->current_monitor_spec, error))
return;
parser->current_monitor_config->monitor_spec =
parser->current_monitor_spec;
parser->current_monitor_spec = NULL;
finish_monitor_spec (parser);
parser->state = STATE_MONITOR;
parser->state = parser->monitor_spec_parent_state;
return;
}
@ -1058,6 +1077,27 @@ meta_monitor_config_store_lookup (MetaMonitorConfigStore *config_store,
key));
}
static void
append_monitor_spec (GString *buffer,
MetaMonitorSpec *monitor_spec,
const char *indentation)
{
g_string_append_printf (buffer, "%s<monitorspec>\n", indentation);
g_string_append_printf (buffer, "%s <connector>%s</connector>\n",
indentation,
monitor_spec->connector);
g_string_append_printf (buffer, "%s <vendor>%s</vendor>\n",
indentation,
monitor_spec->vendor);
g_string_append_printf (buffer, "%s <product>%s</product>\n",
indentation,
monitor_spec->product);
g_string_append_printf (buffer, "%s <serial>%s</serial>\n",
indentation,
monitor_spec->serial);
g_string_append_printf (buffer, "%s</monitorspec>\n", indentation);
}
static void
append_monitors (GString *buffer,
GList *monitor_configs)
@ -1073,16 +1113,7 @@ append_monitors (GString *buffer,
monitor_config->mode_spec->refresh_rate);
g_string_append (buffer, " <monitor>\n");
g_string_append (buffer, " <monitorspec>\n");
g_string_append_printf (buffer, " <connector>%s</connector>\n",
monitor_config->monitor_spec->connector);
g_string_append_printf (buffer, " <vendor>%s</vendor>\n",
monitor_config->monitor_spec->vendor);
g_string_append_printf (buffer, " <product>%s</product>\n",
monitor_config->monitor_spec->product);
g_string_append_printf (buffer, " <serial>%s</serial>\n",
monitor_config->monitor_spec->serial);
g_string_append (buffer, " </monitorspec>\n");
append_monitor_spec (buffer, monitor_config->monitor_spec, " ");
g_string_append (buffer, " <mode>\n");
g_string_append_printf (buffer, " <width>%d</width>\n",
monitor_config->mode_spec->width);