diff options
Diffstat (limited to 'common/json.mk')
| -rw-r--r-- | common/json.mk | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/common/json.mk b/common/json.mk new file mode 100644 index 0000000000..ba8ffa73ec --- /dev/null +++ b/common/json.mk @@ -0,0 +1,35 @@ +4space :=$= $(space)$(space)$(space)$(space) +invert_bool =$= $(if $(strip $(1)),,true) + +# Converts a list to a JSON list. +# $1: List separator. +# $2: List. +_json_list =$= [$(if $(2),"$(subst $(1),"$(comma)",$(2))")] + +# Converts a space-separated list to a JSON list. +json_list =$= $(call _json_list,$(space),$(1)) + +# Converts a comma-separated list to a JSON list. +csv_to_json_list =$= $(call _json_list,$(comma),$(1)) + +# Adds or removes 4 spaces from _json_indent +json_increase_indent =$= $(eval _json_indent := $$(_json_indent)$$(4space)) +json_decrease_indent =$= $(eval _json_indent := $$(subst _,$$(space),$$(patsubst %____,%,$$(subst $$(space),_,$$(_json_indent))))) + +# 1: Key name +# 2: Value +add_json_val =$= $(eval _json_contents := $$(_json_contents)$$(_json_indent)"$$(strip $$(1))": $$(strip $$(2))$$(comma)$$(newline)) +add_json_str =$= $(call add_json_val,$(1),"$(strip $(2))") +add_json_list =$= $(call add_json_val,$(1),$(call json_list,$(patsubst %,%,$(2)))) +add_json_csv =$= $(call add_json_val,$(1),$(call csv_to_json_list,$(strip $(2)))) +add_json_bool =$= $(call add_json_val,$(1),$(if $(strip $(2)),true,false)) +add_json_map =$= $(eval _json_contents := $$(_json_contents)$$(_json_indent)"$$(strip $$(1))": {$$(newline))$(json_increase_indent) +end_json_map =$= $(json_decrease_indent)$(eval _json_contents := $$(_json_contents)$$(if $$(filter %$$(comma),$$(lastword $$(_json_contents))),__SV_END)$$(_json_indent)},$$(newline)) + +# Clears _json_contents to start a new json file +json_start =$= $(eval _json_contents := {$$(newline))$(eval _json_indent := $$(4space)) + +# Adds the trailing close brace to _json_contents, and removes any trailing commas if necessary +json_end =$= $(eval _json_contents := $$(subst $$(comma)$$(newline)__SV_END,$$(newline),$$(_json_contents)__SV_END}$$(newline))) + +json_contents =$= $(_json_contents) |