make/Docs.gmk

# Copyright (c) 1997, 2025, 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.
#

include MakeFileStart.gmk

################################################################################
# This file generates all documentation for OpenJDK.
#
# We will generate API documentation for two different selections of the source
# code: "Java SE", which contains just the modules covered by the top-level
# module java.se and "JDK", which covers all of Java SE and also all
# other available modules that should be documented, including imported modules,
# if any.
#
# We will also generate separate, free-standing specifications from either
# markdown or existing html files.
################################################################################

include CopyFiles.gmk
include Execute.gmk
include Modules.gmk
include ProcessMarkdown.gmk
include TextFileProcessing.gmk
include ZipArchive.gmk
include $(TOPDIR)/make/ModuleTools.gmk
include $(TOPDIR)/make/ToolsJdk.gmk

# This is needed to properly setup DOCS_MODULES.
$(eval $(call ReadImportMetaData))

################################################################################
# Javadoc settings

# Include configuration for URLs in generated javadoc
include $(TOPDIR)/make/conf/javadoc.conf

MODULES_SOURCE_PATH := $(call PathList, $(call GetModuleSrcPath) )


# In order to get a specific ordering it's necessary to specify the total
# ordering of tags as the tags are otherwise ordered in order of definition.
JAVADOC_TAGS := \
    -tag 'apiNote:a:API Note:' \
    -tag 'implSpec:a:Implementation Requirements:' \
    -tag 'implNote:a:Implementation Note:' \
    -tag param \
    -tag return \
    -tag throws \
    -taglet build.tools.taglet.JSpec\$$JLS \
    -taglet build.tools.taglet.JSpec\$$JVMS \
    -taglet build.tools.taglet.ModuleGraph \
    -taglet build.tools.taglet.SealedGraph \
    -taglet build.tools.taglet.ToolGuide \
    -tag since \
    -tag serialData \
    -tag factory \
    -tag spec \
    -tag see \
    -taglet build.tools.taglet.ExtLink \
    -taglet build.tools.taglet.Incubating \
    -tagletpath $(BUILDTOOLS_OUTPUTDIR)/jdk_tools_classes \
    $(CUSTOM_JAVADOC_TAGS) \
    #

# The reference tags must stay stable to allow for comparisons across the
# development cycle. If JAVADOC_TAGS needs to change, make sure that
# REFERENCE_TAGS remains unchanged, by copying and hardcoding, if necessary.
REFERENCE_TAGS := $(JAVADOC_TAGS)

# Which doclint checks to ignore
JAVADOC_DISABLED_DOCLINT_WARNINGS := missing
JAVADOC_DISABLED_DOCLINT_PACKAGES := org.w3c.* javax.smartcardio

# The initial set of options for javadoc
JAVADOC_OPTIONS := -use -keywords -notimestamp \
    -serialwarn -encoding utf-8 -docencoding utf-8 -breakiterator \
    -splitIndex --system none -javafx --expand-requires transitive \
    --override-methods=summary

# The reference options must stay stable to allow for comparisons across the
# development cycle.
REFERENCE_OPTIONS := -XDignore.symbol.file=true -use -keywords -notimestamp \
    -serialwarn -encoding utf-8 -breakiterator -splitIndex --system none \
    -html5 -javafx --expand-requires transitive

# Should we add DRAFT stamps to the generated javadoc?
ifeq ($(VERSION_IS_GA), true)
  IS_DRAFT := false
else
  IS_DRAFT := true
endif

################################################################################
# General text snippets

FULL_COMPANY_NAME := Oracle and/or its affiliates
COMPANY_ADDRESS := 500 Oracle Parkway, Redwood Shores, CA 94065 USA

JAVA_PLATFORM := Java Platform

ifeq ($(IS_DRAFT), true)
  DRAFT_MARKER_STR := <br><strong>DRAFT $(VERSION_STRING)</strong>
  ifeq ($(VERSION_BUILD), )
    DRAFT_MARKER_TITLE := $(SPACE)[ad-hoc build]
  else
    DRAFT_MARKER_TITLE := $(SPACE)[build $(VERSION_BUILD)]
  endif
  DRAFT_TEXT := This specification is not final and is subject to change. \
      Use is subject to <a href="$(LICENSE_URL)">license terms</a>.
endif

# $1 - Relative prefix to COPYRIGHT_URL
COPYRIGHT_BOTTOM = \
    <a href="$(strip $1)$(COPYRIGHT_URL)">Copyright</a> \
    &copy; 1993, $(COPYRIGHT_YEAR), $(FULL_COMPANY_NAME), \
    $(COMPANY_ADDRESS).<br>All rights reserved. \
    Use is subject to <a href="$(LICENSE_URL)">license terms</a> and the \
    <a href="$(REDISTRIBUTION_URL)">documentation redistribution policy</a>. \
    $(DRAFT_MARKER_STR) <!-- Version $(VERSION_STRING) -->

# $1 - Optional "Other Versions" link
JAVADOC_BOTTOM = \
    <a href="$(BUG_SUBMIT_URL)">Report a bug or suggest an enhancement</a><br> \
    For further API reference and developer documentation see the \
    <a href="$(JAVADOC_BASE_URL)" target="_blank">Java SE \
    Documentation</a>, which contains more detailed, \
    developer-targeted descriptions with conceptual overviews, definitions \
    of terms, workarounds, and working code examples. $1<br> \
    Java is a trademark or registered trademark of $(FULL_COMPANY_NAME) in \
    the US and other countries.<br> \
    $(call COPYRIGHT_BOTTOM, {@docroot}/../)

JAVADOC_TOP := \
    <div style="padding: 6px; text-align: center; font-size: 80%; \
    font-family: DejaVu Sans, Arial, Helvetica, sans-serif; \
    font-weight: normal;">$(DRAFT_TEXT)</div>

################################################################################
# JDK javadoc titles/text snippets

JDK_SHORT_NAME := Java SE $(VERSION_SPECIFICATION) &amp; JDK $(VERSION_SPECIFICATION)
JDK_LONG_NAME := Java<sup>&reg;</sup> Platform, Standard Edition \
    &amp;&nbsp;Java&nbsp;Development&nbsp;Kit

################################################################################
# Java SE javadoc titles/text snippets

JAVASE_SHORT_NAME := Java SE $(VERSION_SPECIFICATION)
JAVASE_LONG_NAME := Java<sup>&reg;</sup> Platform, Standard Edition

################################################################################
# Functions

# Helper function for creating a svg file from a dot file generated by the
# GenGraphs tool for a module.
# param 1: SetupJavadocGeneration namespace ($1)
# param 2: module name
#
define setup_module_graph_dot_to_svg
  $1_$2_DOT_SRC :=  $$($1_MODULE_GRAPHS_DIR)/$2.dot
  $1_$2_SVG_TARGET := $$($1_TARGET_DIR)/$2/module-graph.svg

    # For each module needing a graph, create a svg file from the dot file
    # generated by the GenGraphs tool and store it in the target dir.
    $$(eval $$(call SetupExecute, module_graphs_svg_$1_$2, \
        INFO := Running dot for module graphs for $2, \
        DEPS := $$(module_graphs_dot_$1_TARGET), \
        OUTPUT_FILE := $$($1_$2_SVG_TARGET), \
        SUPPORT_DIR := $$($1_MODULE_GRAPHS_DIR), \
        COMMAND := $$(DOT) -Tsvg -o $$($1_$2_SVG_TARGET) $$($1_$2_DOT_SRC), \
    ))

  $1_GRAPHS_TARGETS += $$($1_$2_SVG_TARGET)
endef

# Helper function for creating a svg file for a class for which the SealedGraph
# taglet has generated a dot file. The dot file has a special name which
# encodes the module and class the graph belongs to.
#
# param 1: SetupJavadocGeneration namespace ($1)
# param 2: dot file name
#
define setup_sealed_graph_dot_to_svg
  $1_$2_DOT_SRC :=  $$($1_SEALED_GRAPHS_DIR)/$2.dot
  $1_$2_TARGET_CLASS := $$(word 2, $$(subst _, , $2))
  $1_$2_SLASHED_NAME := $$(subst .,/, $$($1_$2_TARGET_CLASS))
  $1_$2_TARGET_MODULE := $$(word 1, $$(subst _, , $2))
  $1_$2_TARGET_PATH := $$($1_TARGET_DIR)/$$($1_$2_TARGET_MODULE)/$$(dir $$($1_$2_SLASHED_NAME))
  $1_$2_TARGET_NAME := $$(notdir $$($1_$2_SLASHED_NAME))
  $1_$2_SVG_TARGET := $$($1_$2_TARGET_PATH)/$$($1_$2_TARGET_NAME)-sealed-graph.svg
  $$(call MakeDir, $$($1_$2_TARGET_PATH))

    # For each class needing a graph, create a svg file from the dot file
    # generated by the SealedGraph taglet and store it in the target dir.
    $$(eval $$(call SetupExecute, sealed_graphs_svg_$1_$2, \
        INFO := Running dot for sealed graphs for $$($1_$2_TARGET_MODULE)/$$($1_$2_TARGET_CLASS), \
        DEPS := $$($1_$2_DOT_SRC), \
        OUTPUT_FILE := $$($1_$2_SVG_TARGET), \
        SUPPORT_DIR := $$($1_SEALED_GRAPHS_DIR), \
        COMMAND := $$(DOT) -Tsvg -o $$($1_$2_SVG_TARGET) $$($1_$2_DOT_SRC), \
    ))

  $1_GRAPHS_TARGETS += $$($1_$2_SVG_TARGET)
endef

# Helper function to create the overview.html file to use with the -overview
# javadoc option.
# Returns the filename as $1_OVERVIEW.
#
# param 1: SetupJavadocGeneration namespace ($1)
define create_overview_file
  $1_OVERVIEW_TEXT := \
      <!DOCTYPE html> \
      <html><head></head><body> \
      #
  ifneq ($$($1_GROUPS), )
    $1_OVERVIEW_TEXT += \
      <p>This document is divided into \
      $$(subst 2,two,$$(subst 3,three,$$(words $$($1_GROUPS)))) sections:</p> \
      <blockquote><dl> \
      #
    $1_OVERVIEW_TEXT += $$(foreach g, $$($1_GROUPS), \
        <dt style="margin-top: 8px;">$$($$g_GROUP_NAME)</dt> \
        <dd style="margin-top: 8px;">$$($$g_GROUP_DESCRIPTION)</dd> \
    )
    $1_OVERVIEW_TEXT += \
        </dl></blockquote> \
        #
  endif
  $1_OVERVIEW_TEXT += \
      </body></html> \
      #

  $1_OVERVIEW := $$(SUPPORT_OUTPUTDIR)/docs/$1-overview.html

  $1_OVERVIEW_VARDEPS_FILE := $$(call DependOnVariable, $1_OVERVIEW_TEXT, \
      $$($1_OVERVIEW).vardeps)

  $$($1_OVERVIEW): $$($1_OVERVIEW_VARDEPS_FILE)
	$$(call LogInfo, Creating overview.html for $1)
	$$(call MakeDir, $$(@D))
	$$(PRINTF) "%s" '$$($1_OVERVIEW_TEXT)' > $$@
endef

################################################################################
# Setup make rules to create an API documentation collection, using javadoc and
# other tools if needed.
#
# Parameter 1 is the name of the rule. This name is used as variable prefix.
# Targets generated are returned as $1_JAVADOC_TARGETS and
# $1_GRAPHS_TARGETS. Note that the index.html file will work as a "touch
# file" for all the magnitude of files that are generated by javadoc.
#
# Remaining parameters are named arguments. These include:
#   MODULES - Modules to generate javadoc for
#   GROUPS - Name of the groups to divide the modules into, if any
#   SHORT_NAME - The short name of this documentation collection
#   LONG_NAME - The long name of this documentation collection
#   TARGET_DIR - Where to store the output
#   OTHER_VERSIONS - URL for other page listing versions
#
SetupApiDocsGeneration = $(NamedParamsMacroTemplate)
define SetupApiDocsGenerationBody

  # Figure out all modules, both specified and transitive indirect exports, that
  # will be processed by javadoc.
  $1_INDIRECT_EXPORTS := $$(call FindTransitiveIndirectDepsForModules, $$($1_MODULES))
  $1_ALL_MODULES := $$(sort $$($1_MODULES) $$($1_INDIRECT_EXPORTS))

  $1_JAVA_ARGS := -Dextlink.spec.version=$$(VERSION_SPECIFICATION) \
	-Djspec.version=$$(VERSION_SPECIFICATION)

  ifeq ($$(ENABLE_FULL_DOCS), true)
    $1_SEALED_GRAPHS_DIR := $$(SUPPORT_OUTPUTDIR)/docs/$1-sealed-graphs

    # Tell the ModuleGraph and SealedGraph taglets to generate html links to
    # soon-to-be-created svg files with module/sealed graphs.
    $1_JAVA_ARGS += -DenableModuleGraph=true -DsealedDotOutputDir=$$($1_SEALED_GRAPHS_DIR)
    $$(call MakeDir, $$($1_SEALED_GRAPHS_DIR))
  endif

  # Start with basic options and tags
  ifeq ($$($1_OPTIONS), )
    $1_OPTIONS := $$(JAVADOC_OPTIONS)
  endif
  ifeq ($$($1_TAGS), )
    $1_TAGS := $$(JAVADOC_TAGS)
  endif
  $1_OPTIONS += $$($1_TAGS)

  $1_OPTIONS += --module-source-path $$(MODULES_SOURCE_PATH)
  $1_OPTIONS += --module $$(call CommaList, $$($1_MODULES))

  # Create a string like "-Xdoclint:all,-syntax,-html,..."
  $1_OPTIONS += -Xdoclint:all,$$(call CommaList, $$(addprefix -, \
      $$(JAVADOC_DISABLED_DOCLINT_WARNINGS)))
  # Ignore the doclint warnings in certain packages
  $1_OPTIONS += -Xdoclint/package:$$(call CommaList, $$(addprefix -, \
      $$(JAVADOC_DISABLED_DOCLINT_PACKAGES)))
  ifeq ($$(JAVA_WARNINGS_AS_ERRORS), true)
    $1_OPTIONS += -Werror
  endif

  $1_DOC_TITLE := $$($1_LONG_NAME)<br>Version $$(VERSION_SPECIFICATION) API \
      Specification
  $1_WINDOW_TITLE := $$(subst &amp;,&,$$($1_SHORT_NAME))$$(DRAFT_MARKER_TITLE)
  $1_HEADER_TITLE := <div><strong>$$($1_SHORT_NAME)</strong> \
      $$(DRAFT_MARKER_STR)</div>
  ifneq ($$($1_OTHER_VERSIONS), )
      $1_JAVADOC_BOTTOM := $$(call JAVADOC_BOTTOM, <a href="$$($1_OTHER_VERSIONS)">Other versions.</a>)
  else
      $1_JAVADOC_BOTTOM := $$(call JAVADOC_BOTTOM, )
  endif

  $1_OPTIONS += -doctitle '$$($1_DOC_TITLE)'
  $1_OPTIONS += -windowtitle '$$($1_WINDOW_TITLE)'
  $1_OPTIONS += -header '$$($1_HEADER_TITLE)'
  $1_OPTIONS += -bottom '$$($1_JAVADOC_BOTTOM)'
  ifeq ($$(IS_DRAFT), true)
    $1_OPTIONS += -top '$$(JAVADOC_TOP)'
  endif

  # Do not store debug level options in VARDEPS.
  ifneq ($$(LOG_LEVEL), trace)
    $1_LOG_OPTION += -quiet
  else
    $1_LOG_OPTION += -verbose
  endif

  # Generate the overview.html file. This will return the filename in
  # $1_OVERVIEW.
  $$(eval $$(call create_overview_file,$1))
  $1_OPTIONS += -overview $$($1_OVERVIEW)

  # Add summary pages for new/deprecated APIs in recent releases
  $1_OPTIONS += --since $(call CommaList, \
      $(filter-out $(VERSION_DOCS_API_SINCE), \
          $(call sequence, $(VERSION_DOCS_API_SINCE), $(VERSION_FEATURE))))
  $1_OPTIONS += --since-label "New API since JDK $(VERSION_DOCS_API_SINCE)"

  $$(foreach g, $$($1_GROUPS), \
    $$(eval $1_OPTIONS += -group "$$($$g_GROUP_NAME)" "$$($$g_GROUP_MODULES)") \
  )

  ifeq ($$($1_JAVADOC_CMD), )
    $1_JAVADOC_CMD := $$(JAVA) -Djava.awt.headless=true $$($1_JAVA_ARGS) \
        $$(NEW_JAVADOC)
  else
    $1_OPTIONS += $$(addprefix -J, $$($1_JAVA_ARGS))
  endif

  $1_VARDEPS := $$($1_JAVA_ARGS) $$($1_OPTIONS) $$(MODULES_SOURCE_PATH) \
      $$($1_ALL_MODULES) $$($1_JAVADOC_CMD)
  $1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, \
      $$(SUPPORT_OUTPUTDIR)/docs/$1.vardeps)

  # Get a list of all files in all the source dirs for all included modules
  $1_SOURCE_DEPS := $$(call FindFiles, $$(wildcard $$(foreach module, \
      $$($1_ALL_MODULES), $$(call FindModuleSrcDirs, $$(module)))))

  $$(eval $$(call SetupExecute, javadoc_$1, \
      WARN := Generating $1 javadoc for $$(words $$($1_ALL_MODULES)) modules, \
      INFO := Javadoc modules: $$($1_ALL_MODULES), \
      DEPS := $$(BUILD_TOOLS_JDK) $$($1_VARDEPS_FILE) $$($1_SOURCE_DEPS) \
          $$($1_OVERVIEW), \
      OUTPUT_DIR := $$($1_TARGET_DIR), \
      SUPPORT_DIR := $$(SUPPORT_OUTPUTDIR)/docs, \
      COMMAND := $$($1_JAVADOC_CMD) -d $$($1_TARGET_DIR) $$($1_OPTIONS) \
          $$($1_LOG_OPTION), \
  ))

  $1_JAVADOC_TARGETS := $$(javadoc_$1_TARGET)

  ifeq ($$(ENABLE_FULL_DOCS), true)
    # We have asked ModuleGraph to generate links to svg files. Now we must
    # produce the svg files.

    # Locate which modules has the @moduleGraph tag in their module-info.java
    $1_MODULES_NEEDING_GRAPH := $$(strip $$(foreach m, $$($1_ALL_MODULES), \
      $$(if $$(shell $$(GREP) -e @moduleGraph \
          $$(wildcard $$(addsuffix /module-info.java, \
          $$(call FindModuleSrcDirs, $$m)))), \
        $$m) \
    ))

    # First we run the GenGraph tool. It will query the module structure of the
    # running JVM and output .dot files for all existing modules.
    MODULE_GRAPHS_PROPS := \
        $$(TOPDIR)/make/jdk/src/classes/build/tools/jigsaw/javadoc-graphs.properties

    $1_MODULE_GRAPHS_DIR := $$(SUPPORT_OUTPUTDIR)/docs/$1-module-graphs

    $$(eval $$(call SetupExecute, module_graphs_dot_$1, \
        INFO := Generating module graphs for $1 documentation, \
        DEPS := $$(BUILD_JIGSAW_TOOLS) $$(MODULE_GRAPHS_PROPS), \
        OUTPUT_DIR := $$($1_MODULE_GRAPHS_DIR), \
        COMMAND := $$(TOOL_GENGRAPHS) --spec --output $$($1_MODULE_GRAPHS_DIR) \
            --dot-attributes $$(MODULE_GRAPHS_PROPS), \
    ))

    # For each module needing a graph, create a svg file from the dot file
    # generated by the GenGraphs tool and store it in the target dir.
    # They will depend on module_graphs_dot_$1_TARGET, and will be added to
    # $1_GRAPHS_TARGETS.
    $$(foreach m, $$($1_MODULES_NEEDING_GRAPH), \
      $$(eval $$(call setup_module_graph_dot_to_svg,$1,$$m)) \
    )

    # We have asked SealedGraph to generate dot files and links to svg files.
    # Now we must produce the svg files from the dot files.

    # Get a list of classes for which SealedGraph has generated dot files
    $1_SEALED_CLASSES := $$(patsubst %.dot,%,$$(patsubst \
        $$($1_SEALED_GRAPHS_DIR)/%,%, \
        $$(wildcard $$($1_SEALED_GRAPHS_DIR)/*.dot)))

    # For each class needing a graph, create a svg file from the dot file
    # generated by the SealedGraph taglet and store it in the target dir.
    # They will will be added to $1_GRAPHS_TARGETS.
    $$(foreach c, $$($1_SEALED_CLASSES), \
      $$(eval $$(call setup_sealed_graph_dot_to_svg,$1,$$c)) \
    )
  endif
endef

################################################################################
# Setup generation of the JDK API documentation (javadoc + graphs)

# Define the groups of the JDK API documentation
JavaSE_GROUP_NAME := Java SE
JavaSE_GROUP_MODULES := $(call ColonList, $(sort java.se \
    $(call FindTransitiveIndirectDepsForModules, java.se)))
JavaSE_GROUP_DESCRIPTION := \
    The Java Platform, Standard Edition (Java SE) APIs define the core Java \
    platform for general-purpose computing. These APIs are in modules whose \
    names start with {@code java}. \
    #
JDK_GROUPS += JavaSE

JDK_GROUP_NAME := JDK
JDK_GROUP_MODULES := jdk.*
JDK_GROUP_DESCRIPTION := \
    The Java Development Kit (JDK) APIs are specific to the JDK and will not \
    necessarily be available in all implementations of the Java SE Platform. \
    These APIs are in modules whose names start with {@code jdk}. \
    #
JDK_GROUPS += JDK

# If we are importing JavaFX, we need a JavaFX group. In an ideal world, this
# would have been abstracted away to a more proper generic handling of imported
# modules.
ifneq ($(findstring javafx., $(IMPORTED_MODULES)), )
  JavaFX_GROUP_NAME := JavaFX
  JavaFX_GROUP_MODULES := javafx.*
  JavaFX_GROUP_DESCRIPTION := \
      The JavaFX APIs define a set of user-interface controls, graphics, \
      media, and web packages for developing rich client applications. These \
      APIs are in modules whose names start with {@code javafx}. \
      #
  JDK_GROUPS += JavaFX
endif

# All modules to have docs generated by docs-jdk-api target
JDK_MODULES := $(sort $(filter-out $(MODULES_FILTER), $(DOCS_MODULES)))

$(eval $(call SetupApiDocsGeneration, JDK_API, \
    MODULES := $(JDK_MODULES), \
    GROUPS := $(JDK_GROUPS), \
    SHORT_NAME := $(JDK_SHORT_NAME), \
    LONG_NAME := $(JDK_LONG_NAME), \
    TARGET_DIR := $(DOCS_OUTPUTDIR)/api, \
    OTHER_VERSIONS := $(OTHER_JDK_VERSIONS_URL), \
))

# Targets generated are returned in JDK_API_JAVADOC_TARGETS and
# JDK_API_GRAPHS_TARGETS.

################################################################################
# Setup generation of the Java SE API documentation (javadoc + graphs)

# The Java SE module scope is just java.se and its transitive indirect
# exports.
JAVASE_MODULES := java.se

$(eval $(call SetupApiDocsGeneration, JAVASE_API, \
    MODULES := $(JAVASE_MODULES), \
    SHORT_NAME := $(JAVASE_SHORT_NAME), \
    LONG_NAME := $(JAVASE_LONG_NAME), \
    TARGET_DIR := $(DOCS_JAVASE_IMAGE_DIR)/api, \
))

# Targets generated are returned in JAVASE_API_JAVADOC_TARGETS and
# JAVASE_API_GRAPHS_TARGETS.

################################################################################
# Setup generation of the reference Java SE API documentation (javadoc + graphs)

# The reference javadoc is just the same as javase, but using the BootJDK javadoc
# and a stable set of javadoc options.  Typically it is used for generating
# diffs between the reference javadoc and a javadoc bundle of a specific build
# generated in the same way.

$(eval $(call SetupApiDocsGeneration, REFERENCE_API, \
    MODULES := $(JAVASE_MODULES), \
    SHORT_NAME := $(JAVASE_SHORT_NAME), \
    LONG_NAME := $(JAVASE_LONG_NAME), \
    TARGET_DIR := $(DOCS_REFERENCE_IMAGE_DIR)/api, \
    JAVADOC_CMD := $(DOCS_REFERENCE_JAVADOC), \
    OPTIONS := $(REFERENCE_OPTIONS), \
    TAGS := $(REFERENCE_TAGS), \
))

# Targets generated are returned in REFERENCE_API_JAVADOC_TARGETS and
# REFERENCE_API_GRAPHS_TARGETS.

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

# Use this variable to control which spec files are included in the output.
# Format: space-delimited list of names, including at most one '%' as a
# wildcard. Spec source files match if their filename or any enclosing folder
# name matches one of the items in SPEC_FILTER.
ifeq ($(SPEC_FILTER), )
  SPEC_FILTER := %
endif

ApplySpecFilter = \
    $(strip $(foreach file, $(1), \
        $(eval searchkeys := $(subst /, ,$(subst $(WORKSPACE_ROOT),,$(file)))) \
        $(if $(filter $(SPEC_FILTER), $(searchkeys)), \
            $(file) \
        ) \
    ))

# Copy the global resources, including the top-level redirect index.html
GLOBAL_SPECS_RESOURCES_DIR := $(TOPDIR)/make/data/docs-resources
$(eval $(call SetupCopyFiles, COPY_GLOBAL_RESOURCES, \
    SRC := $(GLOBAL_SPECS_RESOURCES_DIR), \
    FILES := $(call ApplySpecFilter, $(call FindFiles, $(GLOBAL_SPECS_RESOURCES_DIR))), \
    DEST := $(DOCS_OUTPUTDIR), \
))
JDK_INDEX_TARGETS += $(COPY_GLOBAL_RESOURCES)

# Copy the legal notices distributed with the docs bundle
$(eval $(call SetupCopyFiles, COPY_DOCS_LEGAL_NOTICES, \
    SRC := $(TOPDIR)/src/jdk.javadoc/share/legal, \
    FILES := $(call ApplySpecFilter, $(wildcard $(TOPDIR)/src/jdk.javadoc/share/legal/*)), \
    DEST := $(DOCS_OUTPUTDIR)/legal, \
))
JDK_INDEX_TARGETS += $(COPY_DOCS_LEGAL_NOTICES)

################################################################################
# Copy JDK specs files

# For all non html/md files in $module/share/specs directories, copy them
# unmodified

ALL_MODULES := $(call FindAllModules)
COPY_SPEC_FILTER := %.gif %.jpg %.mib %.css

$(foreach m, $(ALL_MODULES), \
  $(eval SPECS_$m := $(call FindModuleSpecsDirs, $m)) \
  $(foreach d, $(SPECS_$m), \
    $(if $(call ApplySpecFilter, $(filter $(COPY_SPEC_FILTER), $(call FindFiles, $d))), \
      $(eval $(call SetupCopyFiles, COPY_$m, \
          SRC := $d, \
          FILES := $(call ApplySpecFilter, $(filter $(COPY_SPEC_FILTER), $(call FindFiles, $d))), \
          DEST := $(DOCS_OUTPUTDIR)/specs/, \
      )) \
      $(eval JDK_SPECS_TARGETS += $(COPY_$m)) \
    ) \
  ) \
)

# Create copyright footer variables. We need different variables for different
# relative paths to the copyright.html file. The number 0-2 below represent how
# many extra directory levels down below the specs dir the specs html file is
# located.
SPECS_BOTTOM = <footer class="legal-footer"><hr/>$(COPYRIGHT_BOTTOM)</footer>
# The legal dir is one ../ below the specs dir, so start with one ../.
specs_bottom_rel_path := ../
$(foreach n, 0 1 2, \
  $(eval SPECS_BOTTOM_$n := $(call SPECS_BOTTOM,$(specs_bottom_rel_path))) \
  $(eval specs_bottom_rel_path := $(specs_bottom_rel_path)../) \
)

SPECS_TOP := $(if $(filter true, $(IS_DRAFT)), <header class="draft-header" role="banner">$(DRAFT_TEXT)</header>)

# For all html files in $module/share/specs directories, copy and add the
# copyright footer.

$(foreach m, $(ALL_MODULES), \
  $(eval SPECS_$m := $(call FindModuleSpecsDirs, $m)) \
  $(foreach d, $(SPECS_$m), \
    $(foreach f, $(call ApplySpecFilter, $(filter %.html, $(call FindFiles, $d))), \
      $(eval $m_$f_NOF_SUBDIRS := $(words $(subst /, $(SPACE), $(subst $d, , $(dir $f))))) \
      $(eval $m_$f_NAME := PROCESS_HTML_$m_$(strip $(call RelativePath, $f, $(TOPDIR)))) \
      $(eval $(call SetupTextFileProcessing, $($m_$f_NAME), \
          SOURCE_FILES := $f, \
          SOURCE_BASE_DIR := $d, \
          OUTPUT_DIR := $(DOCS_OUTPUTDIR)/specs/, \
          REPLACEMENTS := \
              <body> => <body>$(SPECS_TOP) ; \
              </body> => $(SPECS_BOTTOM_$($m_$f_NOF_SUBDIRS))</body>, \
      )) \
      $(eval JDK_SPECS_TARGETS += $($($m_$f_NAME))) \
    ) \
  ) \
)

ifeq ($(ENABLE_PANDOC), true)
  # For all markdown files in $module/share/specs directories, convert them to
  # html, if we have pandoc (otherwise we'll just skip this).

  GLOBAL_SPECS_DEFAULT_CSS_FILE := $(DOCS_OUTPUTDIR)/resources/jdk-default.css
  # Unset the following to suppress the link to the tool guides
  NAV_LINK_GUIDES := --nav-link-guides
  HEADER_RIGHT_SIDE_INFO := <strong>$(subst &amp;,&,$(JDK_SHORT_NAME))</strong>$(DRAFT_MARKER_STR)

  $(foreach m, $(ALL_MODULES), \
    $(eval SPECS_$m := $(call FindModuleSpecsDirs, $m)) \
    $(foreach d, $(SPECS_$m), \
      $(foreach f, $(call ApplySpecFilter, $(filter %.md, $(call FindFiles, $d))), \
        $(eval $m_$f_NOF_SUBDIRS := $(words $(subst /, $(SPACE), $(subst $d, , $(dir $f))))) \
        $(eval $m_$f_NAME := SPECS_TO_HTML_$m_$(strip $(call RelativePath, $f, $(TOPDIR)))) \
        $(eval $(call SetupProcessMarkdown, $($m_$f_NAME), \
            SRC := $d, \
            FILES := $f, \
            DEST := $(DOCS_OUTPUTDIR)/specs/, \
            CSS := $(GLOBAL_SPECS_DEFAULT_CSS_FILE), \
            OPTIONS := -V include-before='$(SPECS_TOP)' -V include-after='$(SPECS_BOTTOM_$($m_$f_NOF_SUBDIRS))', \
            REPLACEMENTS := \
		@@VERSION_SPECIFICATION@@ => $(VERSION_SPECIFICATION) ; \
		@@VERSION_STRING@@ => $(VERSION_STRING), \
            POST_PROCESS := $(TOOL_FIXUPPANDOC) --insert-nav --nav-right-info '$(HEADER_RIGHT_SIDE_INFO)' \
                --nav-subdirs $($m_$f_NOF_SUBDIRS) $(NAV_LINK_GUIDES), \
        )) \
        $(eval JDK_SPECS_TARGETS += $($($m_$f_NAME))) \
      ) \
    ) \
  )

  # For all markdown files in $module/share/man directories, convert them to
  # html.

  # Create dynamic man pages from markdown using pandoc. We need
  # PANDOC_HTML_MANPAGE_FILTER, a wrapper around
  # PANDOC_HTML_MANPAGE_FILTER_JAVASCRIPT. This is created by buildtools-jdk.

  # We should also depend on the source code for the filter
  PANDOC_HTML_MANPAGE_FILTER_SOURCE := $(call FindFiles, \
      $(TOPDIR)/make/jdk/src/classes/build/tools/pandocfilter)

  $(foreach m, $(ALL_MODULES), \
    $(eval MAN_$m := $(call ApplySpecFilter, $(filter %.md, $(call FindFiles, \
          $(call FindModuleManDirsForDocs, $m))))) \
    $(if $(MAN_$m), \
      $(eval $(call SetupProcessMarkdown, MAN_TO_HTML_$m, \
        FILES := $(MAN_$m), \
        DEST := $(DOCS_OUTPUTDIR)/specs/man, \
        FILTER := $(PANDOC_HTML_MANPAGE_FILTER), \
        CSS := $(GLOBAL_SPECS_DEFAULT_CSS_FILE), \
        REPLACEMENTS := \
            @@COPYRIGHT_YEAR@@ => $(COPYRIGHT_YEAR) ; \
            @@VERSION_SHORT@@ => $(VERSION_SHORT) ; \
            @@VERSION_SPECIFICATION@@ => $(VERSION_SPECIFICATION), \
        OPTIONS := --toc -V include-before='$(SPECS_TOP)' -V include-after='$(SPECS_BOTTOM_1)', \
        POST_PROCESS := $(TOOL_FIXUPPANDOC) --insert-nav --nav-right-info '$(HEADER_RIGHT_SIDE_INFO)' \
            --nav-subdirs 1 --nav-link-guides, \
        EXTRA_DEPS := $(PANDOC_HTML_MANPAGE_FILTER) \
            $(PANDOC_HTML_MANPAGE_FILTER_SOURCE), \
      )) \
      $(eval JDK_SPECS_TARGETS += $(MAN_TO_HTML_$m)) \
    ) \
  )

  # The html generated from markdown also needs the css file
  JDK_SPECS_TARGETS += $(COPY_GLOBAL_RESOURCES)
endif

# Special treatment for generated documentation

SPEC_HEADER_BLOCK := \
<header id="title-block-header"> \
    <div class="navbar"> \
        <div>$(HEADER_RIGHT_SIDE_INFO)</div> \
        <nav><ul><li><a href="PATH_TO_SPECS/../api/index.html">API</a> \
        <li><a href="PATH_TO_SPECS/index.html">OTHER SPECIFICATIONS</a> \
        <li><a href="PATH_TO_SPECS/man/index.html">TOOL GUIDES</a></ul></nav> \
    </div> \
</header>

JDWP_PROTOCOL := $(SUPPORT_OUTPUTDIR)/gensrc/jdk.jdi/jdwp-protocol.html
ifneq ($(call ApplySpecFilter, $(JDWP_PROTOCOL)), )
  JDWP_HEADER_BLOCK := $(subst PATH_TO_SPECS,..,$(SPEC_HEADER_BLOCK))
  $(eval $(call SetupTextFileProcessing, PROCESS_JDWP_PROTOCOL, \
      SOURCE_FILES := $(JDWP_PROTOCOL), \
      OUTPUT_DIR := $(DOCS_OUTPUTDIR)/specs/jdwp, \
      REPLACEMENTS := \
          <style> => <link rel="stylesheet" href="../../resources/jdk-default.css"/><style> ; \
          <body> => <body>$(SPECS_TOP)$(JDWP_HEADER_BLOCK) ; \
          </body> => $(SPECS_BOTTOM_1)</body>, \
  ))
  JDK_SPECS_TARGETS += $(PROCESS_JDWP_PROTOCOL)
endif

# Get jvmti.html from the main jvm variant (all variants' jvmti.html are identical).
JVMTI_HTML ?= $(HOTSPOT_OUTPUTDIR)/variant-$(JVM_VARIANT_MAIN)/gensrc/jvmtifiles/jvmti.html
ifneq ($(call ApplySpecFilter, $(JVMTI_HTML)), )
  JVMTI_HEADER_BLOCK := $(subst PATH_TO_SPECS,.,$(SPEC_HEADER_BLOCK))
  $(eval $(call SetupTextFileProcessing, PROCESS_JVMTI_HTML, \
      SOURCE_FILES := $(JVMTI_HTML), \
      OUTPUT_DIR := $(DOCS_OUTPUTDIR)/specs/, \
      REPLACEMENTS := \
          <style> => <link rel="stylesheet" href="../resources/jdk-default.css"/><style> ; \
          <body> => <body>$(SPECS_TOP)$(JVMTI_HEADER_BLOCK) ; \
          </body> => $(SPECS_BOTTOM_0)</body>, \
  ))
  JDK_SPECS_TARGETS += $(PROCESS_JVMTI_HTML)
endif

################################################################################
# Optional target which bundles all generated javadocs into a zip archive.

JAVADOC_ZIP_NAME := jdk-$(VERSION_STRING)-docs.zip
JAVADOC_ZIP_FILE := $(OUTPUTDIR)/bundles/$(JAVADOC_ZIP_NAME)

$(eval $(call SetupZipArchive, BUILD_JAVADOC_ZIP, \
    SRC := $(DOCS_OUTPUTDIR), \
    ZIP := $(JAVADOC_ZIP_FILE), \
    EXTRA_DEPS := $(JDK_API_JAVADOC_TARGETS) $(JDK_API_GRAPHS_TARGETS) \
        $(JDK_SPECS_TARGETS), \
))

ZIP_TARGETS += $(BUILD_JAVADOC_ZIP)

################################################################################
# Bundles all generated specs into a zip archive, skipping javadocs.

SPECS_ZIP_NAME := jdk-$(VERSION_STRING)-specs.zip
SPECS_ZIP_FILE := $(OUTPUTDIR)/bundles/$(SPECS_ZIP_NAME)

$(eval $(call SetupZipArchive, BUILD_SPECS_ZIP, \
    SRC := $(DOCS_OUTPUTDIR), \
    ZIP := $(SPECS_ZIP_FILE), \
    EXTRA_DEPS := $(JDK_SPECS_TARGETS), \
))

SPECS_ZIP_TARGETS += $(BUILD_SPECS_ZIP)

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

docs-jdk-api-javadoc: $(JDK_API_JAVADOC_TARGETS) $(JDK_API_CUSTOM_TARGETS)

docs-jdk-api-graphs: $(JDK_API_GRAPHS_TARGETS)

docs-javase-api-javadoc: $(JAVASE_API_JAVADOC_TARGETS) $(JAVASE_API_CUSTOM_TARGETS)

docs-javase-api-graphs: $(JAVASE_API_GRAPHS_TARGETS)

docs-reference-api-javadoc: $(REFERENCE_API_JAVADOC_TARGETS) $(REFERENCE_API_CUSTOM_TARGETS)

docs-reference-api-graphs: $(REFERENCE_API_GRAPHS_TARGETS)

docs-jdk-specs: $(JDK_SPECS_TARGETS)

docs-jdk-index: $(JDK_INDEX_TARGETS)

docs-zip: $(ZIP_TARGETS)

docs-specs-zip: $(SPECS_ZIP_TARGETS)

all: docs-jdk-api-javadoc docs-jdk-api-graphs docs-javase-api-javadoc \
    docs-javase-api-graphs docs-reference-api-javadoc \
    docs-reference-api-graphs docs-jdk-specs docs-jdk-index docs-zip \
    docs-specs-zip

.PHONY: docs-jdk-api-javadoc docs-jdk-api-graphs \
    docs-javase-api-javadoc docs-javase-api-graphs \
    docs-reference-api-javadoc docs-reference-api-graphs docs-jdk-specs \
    docs-jdk-index docs-zip docs-specs-zip

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

include MakeFileEnd.gmk