const libgumbo_parser = "libgumbo_parser.a"

template gumboLibPath(): string =
  var path = currentSourcePath()
  var idx = len(path) - 1
  while idx > 0:
    if (path[idx] == '/') or (path[idx] == '\\'):
      break
    dec(idx)
  path = path[0..idx] & libgumbo_parser
  path

{.passL:gumboLibPath().}

type
  GumboSourcePosition* {.bycopy.} = object
    line*: cuint
    column*: cuint
    offset*: cuint



var kGumboEmptySourcePosition* {.importc: "kGumboEmptySourcePosition".}: GumboSourcePosition


type
  GumboStringPiece* {.bycopy.} = object
    data*: cstring
    length*: csize



var kGumboEmptyString* {.importc: "kGumboEmptyString".}: GumboStringPiece


proc gumbo_string_equals*(str1: ptr GumboStringPiece; str2: ptr GumboStringPiece): bool {.
    importc: "gumbo_string_equals".}

proc gumbo_string_equals_ignore_case*(str1: ptr GumboStringPiece;
                                     str2: ptr GumboStringPiece): bool {.
    importc: "gumbo_string_equals_ignore_case".}

type
  GumboVector* {.bycopy.} = object
    data*: ptr pointer
    length*: cuint
    capacity*: cuint



var kGumboEmptyVector* {.importc: "kGumboEmptyVector".}: GumboVector


proc gumbo_vector_index_of*(vector: ptr GumboVector; element: pointer): cint {.
    importc: "gumbo_vector_index_of".}

type
  GumboTag* {.size: sizeof(cint).} = enum
    GUMBO_TAG_HTML, GUMBO_TAG_HEAD, GUMBO_TAG_TITLE, GUMBO_TAG_BASE, GUMBO_TAG_LINK,
    GUMBO_TAG_META, GUMBO_TAG_STYLE, GUMBO_TAG_SCRIPT, GUMBO_TAG_NOSCRIPT,
    GUMBO_TAG_TEMPLATE, GUMBO_TAG_BODY, GUMBO_TAG_ARTICLE, GUMBO_TAG_SECTION,
    GUMBO_TAG_NAV, GUMBO_TAG_ASIDE, GUMBO_TAG_H1, GUMBO_TAG_H2, GUMBO_TAG_H3,
    GUMBO_TAG_H4, GUMBO_TAG_H5, GUMBO_TAG_H6, GUMBO_TAG_HGROUP, GUMBO_TAG_HEADER,
    GUMBO_TAG_FOOTER, GUMBO_TAG_ADDRESS, GUMBO_TAG_P, GUMBO_TAG_HR, GUMBO_TAG_PRE,
    GUMBO_TAG_BLOCKQUOTE, GUMBO_TAG_OL, GUMBO_TAG_UL, GUMBO_TAG_LI, GUMBO_TAG_DL,
    GUMBO_TAG_DT, GUMBO_TAG_DD, GUMBO_TAG_FIGURE, GUMBO_TAG_FIGCAPTION,
    GUMBO_TAG_MAIN, GUMBO_TAG_DIV, GUMBO_TAG_A, GUMBO_TAG_EM, GUMBO_TAG_STRONG,
    GUMBO_TAG_SMALL, GUMBO_TAG_S, GUMBO_TAG_CITE, GUMBO_TAG_Q, GUMBO_TAG_DFN,
    GUMBO_TAG_ABBR, GUMBO_TAG_DATA, GUMBO_TAG_TIME, GUMBO_TAG_CODE, GUMBO_TAG_VAR,
    GUMBO_TAG_SAMP, GUMBO_TAG_KBD, GUMBO_TAG_SUB, GUMBO_TAG_SUP, GUMBO_TAG_I,
    GUMBO_TAG_B, GUMBO_TAG_U, GUMBO_TAG_MARK, GUMBO_TAG_RUBY, GUMBO_TAG_RT,
    GUMBO_TAG_RP, GUMBO_TAG_BDI, GUMBO_TAG_BDO, GUMBO_TAG_SPAN, GUMBO_TAG_BR,
    GUMBO_TAG_WBR, GUMBO_TAG_INS, GUMBO_TAG_DEL, GUMBO_TAG_IMAGE, GUMBO_TAG_IMG,
    GUMBO_TAG_IFRAME, GUMBO_TAG_EMBED, GUMBO_TAG_OBJECT, GUMBO_TAG_PARAM,
    GUMBO_TAG_VIDEO, GUMBO_TAG_AUDIO, GUMBO_TAG_SOURCE, GUMBO_TAG_TRACK,
    GUMBO_TAG_CANVAS, GUMBO_TAG_MAP, GUMBO_TAG_AREA, GUMBO_TAG_MATH, GUMBO_TAG_MI,
    GUMBO_TAG_MO, GUMBO_TAG_MN, GUMBO_TAG_MS, GUMBO_TAG_MTEXT, GUMBO_TAG_MGLYPH,
    GUMBO_TAG_MALIGNMARK, GUMBO_TAG_ANNOTATION_XML, GUMBO_TAG_SVG,
    GUMBO_TAG_FOREIGNOBJECT, GUMBO_TAG_DESC, GUMBO_TAG_TABLE, GUMBO_TAG_CAPTION,
    GUMBO_TAG_COLGROUP, GUMBO_TAG_COL, GUMBO_TAG_TBODY, GUMBO_TAG_THEAD,
    GUMBO_TAG_TFOOT, GUMBO_TAG_TR, GUMBO_TAG_TD, GUMBO_TAG_TH, GUMBO_TAG_FORM,
    GUMBO_TAG_FIELDSET, GUMBO_TAG_LEGEND, GUMBO_TAG_LABEL, GUMBO_TAG_INPUT,
    GUMBO_TAG_BUTTON, GUMBO_TAG_SELECT, GUMBO_TAG_DATALIST, GUMBO_TAG_OPTGROUP,
    GUMBO_TAG_OPTION, GUMBO_TAG_TEXTAREA, GUMBO_TAG_KEYGEN, GUMBO_TAG_OUTPUT,
    GUMBO_TAG_PROGRESS, GUMBO_TAG_METER, GUMBO_TAG_DETAILS, GUMBO_TAG_SUMMARY,
    GUMBO_TAG_MENU, GUMBO_TAG_MENUITEM, GUMBO_TAG_APPLET, GUMBO_TAG_ACRONYM,
    GUMBO_TAG_BGSOUND, GUMBO_TAG_DIR, GUMBO_TAG_FRAME, GUMBO_TAG_FRAMESET,
    GUMBO_TAG_NOFRAMES, GUMBO_TAG_ISINDEX, GUMBO_TAG_LISTING, GUMBO_TAG_XMP,
    GUMBO_TAG_NEXTID, GUMBO_TAG_NOEMBED, GUMBO_TAG_PLAINTEXT, GUMBO_TAG_RB,
    GUMBO_TAG_STRIKE, GUMBO_TAG_BASEFONT, GUMBO_TAG_BIG, GUMBO_TAG_BLINK,
    GUMBO_TAG_CENTER, GUMBO_TAG_FONT, GUMBO_TAG_MARQUEE, GUMBO_TAG_MULTICOL,
    GUMBO_TAG_NOBR, GUMBO_TAG_SPACER, GUMBO_TAG_TT, GUMBO_TAG_RTC,
    GUMBO_TAG_UNKNOWN, GUMBO_TAG_LAST



proc gumbo_normalized_tagname*(tag: GumboTag): cstring {.
    importc: "gumbo_normalized_tagname".}

proc gumbo_tag_from_original_text*(text: ptr GumboStringPiece) {.
    importc: "gumbo_tag_from_original_text".}

proc gumbo_normalize_svg_tagname*(tagname: ptr GumboStringPiece): cstring {.
    importc: "gumbo_normalize_svg_tagname".}

proc gumbo_tag_enum*(tagname: cstring): GumboTag {.importc: "gumbo_tag_enum".}
proc gumbo_tagn_enum*(tagname: cstring; length: cuint): GumboTag {.
    importc: "gumbo_tagn_enum".}

type
  GumboAttributeNamespaceEnum* {.size: sizeof(cint).} = enum
    GUMBO_ATTR_NAMESPACE_NONE, GUMBO_ATTR_NAMESPACE_XLINK,
    GUMBO_ATTR_NAMESPACE_XML, GUMBO_ATTR_NAMESPACE_XMLNS



type
  GumboAttribute* {.bycopy.} = object
    attr_namespace*: GumboAttributeNamespaceEnum
    name*: cstring
    original_name*: GumboStringPiece
    value*: cstring
    original_value*: GumboStringPiece
    name_start*: GumboSourcePosition
    name_end*: GumboSourcePosition
    value_start*: GumboSourcePosition
    value_end*: GumboSourcePosition



proc gumbo_get_attribute*(attrs: ptr GumboVector; name: cstring): ptr GumboAttribute {.
    importc: "gumbo_get_attribute".}

type
  GumboNodeType* {.size: sizeof(cint).} = enum
    GUMBO_NODE_DOCUMENT, GUMBO_NODE_ELEMENT, GUMBO_NODE_TEXT, GUMBO_NODE_CDATA,
    GUMBO_NODE_COMMENT, GUMBO_NODE_WHITESPACE, GUMBO_NODE_TEMPLATE



type
  GumboQuirksModeEnum* {.size: sizeof(cint).} = enum
    GUMBO_DOCTYPE_NO_QUIRKS, GUMBO_DOCTYPE_QUIRKS, GUMBO_DOCTYPE_LIMITED_QUIRKS



type
  GumboNamespaceEnum* {.size: sizeof(cint).} = enum
    GUMBO_NAMESPACE_HTML, GUMBO_NAMESPACE_SVG, GUMBO_NAMESPACE_MATHML



type
  GumboParseFlags* {.size: sizeof(cint).} = enum
    GUMBO_INSERTION_NORMAL = 0, GUMBO_INSERTION_BY_PARSER = 1 shl 0,
    GUMBO_INSERTION_IMPLICIT_END_TAG = 1 shl 1, GUMBO_INSERTION_IMPLIED = 1 shl 3,
    GUMBO_INSERTION_CONVERTED_FROM_END_TAG = 1 shl 4,
    GUMBO_INSERTION_FROM_ISINDEX = 1 shl 5, GUMBO_INSERTION_FROM_IMAGE = 1 shl 6,
    GUMBO_INSERTION_RECONSTRUCTED_FORMATTING_ELEMENT = 1 shl 7,
    GUMBO_INSERTION_ADOPTION_AGENCY_CLONED = 1 shl 8,
    GUMBO_INSERTION_ADOPTION_AGENCY_MOVED = 1 shl 9,
    GUMBO_INSERTION_FOSTER_PARENTED = 1 shl 10



type
  GumboDocument* {.bycopy.} = object
    children*: GumboVector
    has_doctype*: bool
    name*: cstring
    public_identifier*: cstring
    system_identifier*: cstring
    doc_type_quirks_mode*: GumboQuirksModeEnum



type
  GumboText* {.bycopy.} = object
    text*: cstring
    original_text*: GumboStringPiece
    start_pos*: GumboSourcePosition



type
  GumboElement* {.bycopy.} = object
    children*: GumboVector
    tag*: GumboTag
    tag_namespace*: GumboNamespaceEnum
    original_tag*: GumboStringPiece
    original_end_tag*: GumboStringPiece
    start_pos*: GumboSourcePosition
    end_pos*: GumboSourcePosition
    attributes*: GumboVector



type
  INNER_C_UNION_1056773149* {.bycopy.} = object {.union.}
    document*: GumboDocument
    element*: GumboElement
    text*: GumboText

  GumboNode* {.bycopy.} = object
    `type`*: GumboNodeType
    parent*: ptr GumboNode
    index_within_parent*: csize
    parse_flags*: GumboParseFlags
    v*: INNER_C_UNION_1056773149



type
  GumboAllocatorFunction* = proc (userdata: pointer; size: csize): pointer


type
  GumboDeallocatorFunction* = proc (userdata: pointer; `ptr`: pointer)


type
  GumboOptions* {.bycopy.} = object
    allocator*: GumboAllocatorFunction
    deallocator*: GumboDeallocatorFunction
    userdata*: pointer
    tab_stop*: cint
    stop_on_first_error*: bool
    max_errors*: cint
    fragment_context*: GumboTag
    fragment_namespace*: GumboNamespaceEnum



var kGumboDefaultOptions* {.importc: "kGumboDefaultOptions".}: GumboOptions


type
  GumboOutput* {.bycopy.} = object
    document*: ptr GumboNode
    root*: ptr GumboNode
    errors*: GumboVector



proc gumbo_parse*(buffer: cstring): ptr GumboOutput {.importc: "gumbo_parse".}

proc gumbo_parse_with_options*(options: ptr GumboOptions; buffer: cstring;
                              buffer_length: csize): ptr GumboOutput {.
    importc: "gumbo_parse_with_options".}

proc gumbo_destroy_output*(options: ptr GumboOptions; output: ptr GumboOutput) {.
    importc: "gumbo_destroy_output".}