#

# Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# This code 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 General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

# or visit www.oracle.com if you need additional information or have any

# questions.

#

default: all

include $(SPEC)

include MakeBase.gmk

################################################################################

# This makefile updates the generated build html documentation.

#

################################################################################

ifeq ($(PANDOC), )

  $(info No pandoc executable was detected by configure)

  $(error Cannot continue)

endif

################################################################################

# Setup make rules for converting a markdown file to html.

#

# Parameter 1 is the name of the rule. This name is used as variable prefix,

# and the targets generated are listed in a variable by that name.

#

# Remaining parameters are named arguments. These include:

#   SOURCE_FILE  The markdown source file

#   TARGET_DIR   The directory where to store the generated html file

#

SetupMarkdownToHtml = $(NamedParamsMacroTemplate)

define SetupMarkdownToHtmlBody

  ifeq ($$($1_SOURCE_FILE), )

    $$(error SOURCE_FILE is missing in SetupMarkdownToHtml $1)

  endif

  ifeq ($$($1_TARGET_DIR), )

    $$(error TARGET_DIR is missing in SetupMarkdownToHtml $1)

  endif

  $1_BASENAME := $$(notdir $$(basename $$($1_SOURCE_FILE)))

  $1_OUTPUT_FILE := $$($1_TARGET_DIR)/$$($1_BASENAME).html

$$($1_OUTPUT_FILE): $$($1_SOURCE_FILE)

	$$(call LogInfo, Converting $$(notdir $1) to html)

	$$(call MakeDir, $$($1_TARGET_DIR) $$(MAKESUPPORT_OUTPUTDIR)/markdown)

	$$(call ExecuteWithLog, $$(MAKESUPPORT_OUTPUTDIR)/markdown/$1, \

	    $$(PANDOC) -f markdown -t html --standalone '$$<' -o '$$@')

	TOO_LONG_LINES=`$$(GREP) -E -e '^.{80}.+$$$$' $$<` ; \

	if [ "x$$TOO_LONG_LINES" != x ]; then \

	  $$(ECHO) "Warning: Unsuitable markdown in $$<:" ; \

	  $$(ECHO) "The following lines are longer than 80 characters:" ; \

	  $$(GREP) -E -e '^.{80}.+$$$$' $$< ; \

	fi

  $1 := $$($1_OUTPUT_FILE)

  TARGETS += $$($1)

endef

################################################################################

BUILD_DOCS_DIR := $(TOPDIR)/common/doc

BUILD_DOCS_MD_FILE := building.md

$(eval $(call SetupMarkdownToHtml, building, \

  SOURCE_FILE := $(BUILD_DOCS_DIR)/$(BUILD_DOCS_MD_FILE), \

  TARGET_DIR := $(BUILD_DOCS_DIR), \

))

################################################################################

$(eval $(call IncludeCustomExtension, , UpdateBuildDocs.gmk))

################################################################################

all: $(TARGETS)

.PHONY: all default