docs(doc_builder.py): overhaul, remove bugs, clean up, modularize (#7913)

docs/Doxyfile

@@ -32,7 +32,7 @@ DOXYFILE_ENCODING      = UTF-8
 # title of most generated pages and in a few other places.
 # The default value is: My Project.
 
-PROJECT_NAME           = "LVGL"
+PROJECT_NAME           = LVGL
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number. This
 # could be handy for archiving the generated documentation or if some version
@@ -58,7 +58,7 @@ PROJECT_LOGO           =
 # entered, it will be relative to the location where doxygen was started. If
 # left blank the current directory will be used.
 
-OUTPUT_DIRECTORY       = .
+OUTPUT_DIRECTORY       = doxygen
 
 # If the CREATE_SUBDIRS tag is set to YES then doxygen will create 4096 sub-
 # directories (in 2 levels) under the output directory of each output format and
@@ -118,16 +118,16 @@ REPEAT_BRIEF           = YES
 # the entity):The $name class, The $name widget, The $name file, is, provides,
 # specifies, contains, represents, a, an and the.
 
-ABBREVIATE_BRIEF       = "The $name class" \
-                         "The $name widget" \
-                         "The $name file" \
-                         is \
-                         provides \
-                         specifies \
-                         contains \
-                         represents \
-                         a \
-                         an \
+ABBREVIATE_BRIEF       = "The $name class"   \
+                         "The $name widget"  \
+                         "The $name file"    \
+                         is                  \
+                         provides            \
+                         specifies           \
+                         contains            \
+                         represents          \
+                         a                   \
+                         an                  \
                          the
 
 # If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then
@@ -724,7 +724,7 @@ CITE_BIB_FILES         =
 # messages are off.
 # The default value is: NO.
 
-QUIET                  = YES
+QUIET                  = NO
 
 # The WARNINGS tag can be used to turn on/off the warning messages that are
 # generated to standard error (stderr) by doxygen. If WARNINGS is set to YES
@@ -790,7 +790,7 @@ WARN_LOGFILE           = doxygen_warnings.txt
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = <<SRC>>
+INPUT                  = ../src
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
@@ -815,11 +815,11 @@ INPUT_ENCODING         = UTF-8
 # *.m, *.markdown, *.md, *.mm, *.dox, *.py, *.pyw, *.f90, *.f95, *.f03, *.f08,
 # *.f, *.for, *.tcl, *.vhd, *.vhdl, *.ucf and *.qsf.
 
-FILE_PATTERNS          = *.h \
-                         *.hh \
-                         *.hxx \
-                         *.hpp \
-                         *.h++ \
+FILE_PATTERNS          = *.h    \
+                         *.hh   \
+                         *.hxx  \
+                         *.hpp  \
+                         *.h++
 
 # The RECURSIVE tag can be used to specify whether or not subdirectories should
 # be searched for input files as well.
@@ -850,14 +850,14 @@ EXCLUDE_SYMLINKS       = NO
 # Note that the wildcards are matched against the file with absolute path, so to
 # exclude all test directories for example use the pattern */test/*
 
-EXCLUDE_PATTERNS       = */libs/barcode/code*     \
-                         */libs/freetype/ft*      \
-                         */libs/gif/gif*          \
-                         */libs/lodepng/lode*     \
-                         */libs/qrcode/qr*        \
-                         */libs/thorvg/*          \
-                         */libs/tiny_ttf/stb*     \
-                         */libs/tjpgd/tjp*        \
+EXCLUDE_PATTERNS       = */libs/barcode/code*      \
+                         */libs/freetype/ft*       \
+                         */libs/gif/gif*           \
+                         */libs/lodepng/lode*      \
+                         */libs/qrcode/qr*         \
+                         */libs/thorvg/*           \
+                         */libs/tiny_ttf/stb*      \
+                         */libs/tjpgd/tjp*         \
                          */others/vg_lite_tvg/vg*
 
 # The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
@@ -1099,7 +1099,7 @@ GENERATE_HTML          = YES
 # The default directory is: html.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_OUTPUT            = doxygen_html
+HTML_OUTPUT            = html
 
 # The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
 # generated HTML page (for example: .htm, .php, .asp).
@@ -1915,7 +1915,7 @@ MAN_LINKS              = NO
 # captures the structure of the code including all documentation.
 # The default value is: NO.
 
-GENERATE_XML           = YES
+GENERATE_XML           = NO
 
 # The XML_OUTPUT tag is used to specify where the XML pages will be put. If a
 # relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
@@ -1932,7 +1932,7 @@ XML_OUTPUT             = xml
 # The default value is: YES.
 # This tag requires that the tag GENERATE_XML is set to YES.
 
-XML_PROGRAMLISTING     = YES
+XML_PROGRAMLISTING     = NO
 
 #---------------------------------------------------------------------------
 # Configuration options related to the DOCBOOK output
@@ -2068,7 +2068,7 @@ INCLUDE_FILE_PATTERNS  =
 # recursively expanded use the := operator instead of the = operator.
 # This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
 
-PREDEFINED             = DOXYGEN LV_CONF_PATH="<<LV_CONF_PATH>>"
+PREDEFINED             = DOXYGEN LV_CONF_PATH="../../lv_conf.h"
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
 # tag can be used to specify a list of macro names that should be expanded. The