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Current File : /opt/cloudlinux/venv/lib64/python3.11/site-packages/guppy/gsl/Html.py
class Node2Html:
    def __init__(self, mod, node=None, error_report=None, encode_name=None
                 ):
        self.mod = mod
        self.valid_html40 = False

        self.encode = self.mod.encode
        if encode_name is None:
            encode_name = self.mod.encode_name
        self.encode_name = encode_name
        if error_report is not None:
            self.error_report = error_report

        self.document_lang = None

        self.header_nodes = []

        self.indent = 0
        self.indentstep = 1

        self.set_out([])

        # xxx where do this?
        charset = 'utf-8'
        self.header_nodes.append(self.mod.node_of_taci(
            'meta', '', (
                self.mod.node_of_taci('http-equiv=', 'Content-Type'),
                self.mod.node_of_taci('content=',
                                      'text/html; charset=%s' % charset))))

        if node is not None:
            node.accept(self)

    def _visit_children(self, node):
        node, attrs = node.split_attrs()
        # xxx handle attrs?
        E = self.mod.ReportedError
        for ch in node.children:
            try:
                ch.accept(self)
            except E:
                pass

    def begin(self, tag, arg=''):
        if arg:
            t = '<%s %s>' % (tag, arg)
        else:
            t = '<%s>' % tag
        if tag in self.mod.line_break_allowed:
            t = '\n'+self.indent * ' ' + t
        self.append(t)
        self.indent += self.indentstep

    def chg_out(self, out):
        oo = self.out
        self.set_out(out)
        return oo

    def encode_link_name(self, name):
        # 1. Make the name better looking for a html user's perspective
        # 2. Encode it by HTML rules

        if name.startswith(self.mod.tgt_prefix):
            name = name[len(self.mod.tgt_prefix):]
        else:
            # Should not happen often or at all
            assert 0
        name = self.encode_name(name)
        return name

    def end(self, tag):
        self.indent -= self.indentstep
        self.append('</%s>' % tag)

    def error(self, msg, *args, **kwds):
        msg = 'Doc2Html: ' + msg
        self.error_report(msg, *args, **kwds)

    def error_report(self, msg, *args, **kwds):
        print('HTML ENCODING ERROR: ', msg, 'args=', args, 'kwds=', kwds)
        raise ValueError

    def gen_document_header(self, lang, header_nodes):
        # lang & title are nodes with text or char directives, to be encoded.
        # metas is a list of nodes, with data to be encoded

        self.append("""\
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"
   "http://www.w3.org/TR/REC-html40/strict.dtd">
""")

        self.begin('html', 'lang=%s' % self.get_encoded_text(lang))
        self.begin('head')
        for node in header_nodes:
            self.gen_stdhtml(node)

        self.end('head')
        self.begin('body')

        # Get around w3c restriction that character data are not allowed
        # directly in body, makes it easier to write compliant code
        # Arguably the restriction is there for a reason, but I dont know...
        self.begin('div')

    def gen_document_trailer(self):
        self.end('div')
        self.end('body')
        self.end('html')

    def gen_empty_elmt(self, tag, arg=''):
        self.begin(tag, arg)
        self.indent -= self.indentstep

    def gen_generated_from_gsl(self):
        self.gen_empty_elmt('hr')

        self.append('Generated by ')
        self.begin('a', 'href="https://zhuyifei1999.github.io/guppy3/gsl.html"')
        #self.begin('a', 'href="gsl.html"')
        self.append('GSL-HTML 3.0.1')
        self.end('a')
        self.append(' on '+self.mod.time.asctime(self.mod.time.localtime()))

    def gen_meta(self, node, tag=None):
        mknode = self.mod.node_of_taci
        if tag is None:
            tag = node.tag
        self.header_nodes.append(
            mknode('meta', '',
                   [mknode('name=', tag),
                    mknode('content=', node.arg, node.children)]))

    def gen_stdhtml(self, node, tag=None, **options):
        if tag is None:
            tag = node.tag
        node, attrs = node.split_attrs(tag)
        self.begin(tag, ' '.join(['%s=%r' % (key, val)
                                  for (key, val) in attrs]))
        if tag in self.mod._no_end_tag_elements:
            if node.arg:
                self.error(
                    'No enclosed text allowed for Html tag: %r.' % node.tag)
            self.no_children(node)
            self.indent -= self.indentstep
        else:
            node.arg_accept(self)
            self.end(tag)

    def get_encoded_text(self, node):
        # From a node's arg and children that are text or characters
        old_out = self.chg_out([])
        self.append(self.encode(node.arg))
        for ch in node.children:
            if ch.tag in ('text', 'char'):
                ch.accept(self)
            else:
                self.error('Only text and char allowed here, not %r.' %
                           ch.tag, ch)
        return ''.join(self.chg_out(old_out))

    def get_html(self):
        return ''.join(self.out)

    def no_children(self, node):
        if node.children:
            self.error('No children allowed for %r. Got children nodes = %r.' % (
                node.tag, node.children))

    def set_out(self, out):
        self.out = out
        self.extend = out.extend
        self.append = out.append

    def visit_author(self, node):
        self.gen_meta(node)

    def visit_block(self, node):
        self._visit_children(node)

    def visit_char(self, node):
        name = node.get_namearg()
        if name in self.mod.name2codepoint:
            name = '&%s;' % name
        else:
            if name[:2] == "0x":
                char = int(name[2:], 16)
            elif name.isdigit():
                char = int(name)
            else:
                self.error('No such character: %r.' % name, node)
            name = self.mod.codepoint2name.get(char)
            if name is None:
                name = '&#%d;' % char
            else:
                name = '&%s;' % name
        self.append(name)
        self._visit_children(node)

    def visit_col_width(self, node):
        self.append('<col width="%s" />' % node.arg)

    def visit_comment(self, node):
        return
        #self.append('<!-- %s -->'%node.arg)

    def visit_default(self, node):
        if node.tag in self.mod.stdhtml:
            if node.tag in self.mod._head_elements:
                self.head_nodes.append(node)
            else:
                self.gen_stdhtml(node)
        else:
            self.error('I don\'t know what to generate for the tag %r.' %
                       node.tag, node)

    def visit_define(self, node):
        name = self.encode_link_name(node.arg)
        self.begin('a', 'name=%r' % name)
        self._visit_children(node)
        self.end('a')

    def visit_document(self, node):
        self.indent = 2  # Known indentation of header to be generated later
        oldout = self.chg_out([])
        self._visit_children(node)

        self.gen_generated_from_gsl()

        newout = self.chg_out(oldout)
        mknode = self.mod.node_of_taci
        lang = self.document_lang
        if not lang:
            lang = mknode('document_lang', 'en')

        self.indent = 0
        self.gen_document_header(lang, self.header_nodes)
        self.out.extend(newout)
        self.gen_document_trailer()

    def visit_document_lang(self, node):
        if self.document_lang is not None:
            self.error('Duplicate document lang directive.', node)
        self.document_lang = node

    def visit_document_title(self, node):
        self.header_nodes.append(self.mod.node_of_taci('title', node.arg))

    def visit_enumerate(self, node):
        self.begin('ol')
        for c in node.children:
            self.begin('li')
            c.accept(self)
            self.end('li')
        self.end('ol')

    def visit_exdefs(self, node):
        self.symplace = {}
        for ch in node.children:
            syms = [x.strip() for x in ch.arg.split(',')]
            for sym in syms:
                self.symplace[sym] = ch.tag

    def visit_file(self, node):
        self._visit_children(node)

    def visit_header(self, node):
        self.header_nodes.extend(node.children)

    def visit_itemize(self, node):
        self.begin('ul')
        for c in node.children:
            self.begin('li')
            c.accept(self)
            self.end('li')
        self.end('ul')

    def visit_link_to_extern(self, node):
        name = node.arg
        docname = node.children[0].arg
        children = node.children[1:]
        uri = '%s.html#%s' % (docname, self.encode_link_name(name))
        self.begin('a', 'href=%r' % uri)
        if not children:
            self.append(self.encode(name))
        else:
            for ch in children:
                ch.accept(self)
        self.end('a')

    def visit_link_to_local(self, node):
        name = node.arg
        uri = '#%s' % self.encode_link_name(name)
        self.begin('a', 'href=%r' % uri)
        if not node.children:
            self.append(self.encode(name))
        else:
            self._visit_children(node)
        self.end('a')

    def visit_link_to_unresolved(self, node):
        name = node.arg
        self.begin('em')
        if not node.children:
            self.append(self.encode(name))
        else:
            self._visit_children(node)
        self.end('em')

    def visit_literal_block(self, node):
        self.gen_stdhtml(node, 'pre')

    def visit_man_page_mode(self, node):
        self._visit_children(node)

    def visit_meta(self, node):
        self.document_metas.append(node)

    def visit_spc_colonkind(self, node):
        # self.append('&nbsp;<strong>:</strong>&nbsp;')
        # self.append('&nbsp;<code>:</code>&nbsp;')
        self.append('<code>:</code>&nbsp;')

    def visit_spc_mapsto(self, node):
        self.append(' <strong>-></strong> ')

    def visit_string(self, node):
        self._visit_children(node)

    def visit_symbol(self, node):
        self.visit_text(node)

    def visit_text(self, node):
        text = self.encode(node.arg)
        if len(text) > 80 or '\n' in text:
            self.append('\n')
        self.append(text)
        self._visit_children(node)

    def visit_to_document_only(self, node):
        self._visit_children(node)

    def visit_to_html_only(self, node):
        self._visit_children(node)

    def visit_to_tester_only(self, node):
        pass

    def visit_valid_html40(self, node):
        self.valid_html40 = node

        node, attrs = self.valid_html40.split_attrs(attrdict=True)
        # XXX check allowed attrs but in a GENERAL way
        # Code taken from validator.w3.org
        self.append("""\
    <a href="http://validator.w3.org/check?uri=referer"><img
        src="%s"
        alt="Valid HTML 4.0 Strict" height="31" width="88"></a>
""" % attrs.get('src', 'http://www.w3.org/Icons/valid-html40'))

    def visit_with(self, node):
        pass

    def visit_word(self, node):
        self._visit_children(node)


class _GLUECLAMP_:
    _imports_ = (
        '_parent:SpecNodes',
        '_parent.SpecNodes:node_of_taci',
        '_parent.Gsml:is_not_ascii',
        '_parent.Main:tgt_prefix',
        '_parent.Main:ReportedError',
        '_root.html.entities:name2codepoint',
        '_root.html.entities:codepoint2name',
        '_root:re',
        '_root:time',
    )

    _chgable_ = ('tag_uppercase_name_chars',)

    # Set to make upper-case name characters tagged to make sure
    # no names in a file differ only in case as stated in HTML spec.
    # I believe this doesn't matter in practice in contemporary browsers,
    # since references are also said to be case sensitive!
    # -- I can't be bothered to solve this better now. See also Notes Aug 12 2005.
    tag_uppercase_name_chars = 0

    _html3_2 = (
        'a', 'address', 'area',
        'b', 'base', 'big', 'blockquote', 'body', 'br',
        'caption', 'center', 'cite', 'code',
        'dfn', 'dt', 'dl', 'dd', 'div',
        'em', 'form',
        'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'html',
        'i', 'img', 'input', 'kbd',
        'li',
        'ol', 'option',
        'p', 'param', 'pre',
        'samp', 'select', 'small', 'strong', 'style', 'sub', 'sup',
        'table', 'td', 'textarea', 'th', 'thead', 'title', 'tr', 'tt',
        'ul',
        'var')

    # Included in Html 3.2 but 'deprecated' in Html 4.0
    _html4_0_deprecated = (
        'applet', 'basefont', 'dir', 'font', 'isindex',
        'strike', 'u',
    )

    # Included in 3.2, not depreciated in 4.0 but one may want to avoid them
    _html_avoid = (
        'script',
    )
    _html4_0 = (
        'abbr', 'acronym',
        'bdo', 'button',
        'col', 'colgroup',
        'del',
        'fieldset', 'frame', 'frameset',
        'iframe', 'ins',
        'label', 'legend',
        'noframes', 'noscript',
        'object', 'optgroup',
        'q', 's', 'span',
        'tbody', 'tfoot', 'thead')

    _head_elements = (
        'base', 'isindex', 'link', 'meta', 'script', 'style', 'title'
    )

    # The ones that can have no end tag
    # xxx are there more -style etc- look it up!
    _no_end_tag_elements = (
        # Header elmts
        'meta', 'link',
        # Other
        'img')

    # The ones that we may generate line-break before
    # and hope it will not affect the insertion of spaces in rendering.

    _line_break_allowed = (
        'html', 'head', 'body', 'frameset',
        # Head Elements
    ) + _head_elements + (
        # Generic Block-level Elements
        'address', 'blockquote', 'center', 'del', 'div',
        'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'ins', 'isindex', 'noscript', 'p', 'pre',
        # Lists
        'dir', 'dl', 'dt', 'dd', 'li', 'menu', 'ol', 'ul',
        # Tables
        'table', 'caption', 'colgroup', 'col', 'thead', 'tfoot', 'tbody', 'tr', 'td', 'th',
        # Forms
        'form', 'button', 'fieldset', 'legend', 'input', 'label',
        'select', 'optgroup', 'option', 'textarea'
    )

    # The attributes allowed in META elements
    meta_attributes = ('name', 'http-equiv', 'content',
                       'scheme', 'lang', 'dir')

    # This returns a function checking if a character is allowed to be used
    # as the first character in a NAME or ID attribute.
    #   (I don't think this is the same as .isalpha() with unicode.)

    def _get_is_name_starter_char(self):
        return self.re.compile(r"[A-Za-z]").match

    # This returns a function checking if a character is allowed to be used
    # after the first character in a NAME or ID attribute.

    def _get_is_name_follower_char(self):
        return self.re.compile(r"[A-Za-z0-9\-_:\.]").match

    # A set of the ones we generate directly.
    # This includes the ones from html 3.2 and
    # I have also included the deprecated and the 4.0 only

    def _get_stdhtml(self):
        sh = {}
        for x in self._html3_2 + self._html4_0_deprecated + self._html4_0:
            sh[x] = 1
        return sh

    def _get_line_break_allowed(self):
        sh = {}
        for x in self._line_break_allowed:
            sh[x] = 1
        return sh

    def doc2filer(self, doc, node, name, dir, opts, IO):
        text = self.doc2text(doc, node)
        path = IO.path.join(dir, '%s.html' % name)
        node = self.node_of_taci('write_file', path, [
                                 self.node_of_taci('text', text)])
        return node

    def doc2text(self, doc, node):
        d2h = Node2Html(self, node, doc.env.error)
        return d2h.get_html()

    def node2file(self, node, file):
        text = self.node2text(node)
        with open(file, 'w') as f:
            f.write(text)

    def node2text(self, node):
        text = Node2Html(self, node).get_html()
        return text

    # Adapted from html4css1.py in docutils

    def encode(self, text):
        """Encode special characters in `text` & return."""
        # @@@ A codec to do these and all other HTML entities would be nice.
        text = text.replace("&", "&amp;")
        text = text.replace("<", "&lt;")
        text = text.replace('"', "&quot;")
        text = text.replace(">", "&gt;")
        text = text.replace("@", "&#64;")  # may thwart some address harvesters
        return text

    # Encode a name according to HTML spec. See also Notes Aug 12 2005.
    # From wdghtml40/values.html#cdata :
    # Attribute values of type ID and NAME must begin with a letter in the
    # range A-Z or a-z and may be followed by letters (A-Za-z), digits
    # (0-9), hyphens ("-"), underscores ("_"), colons (":"), and periods
    # ("."). These values are case-sensitive.

    def encode_name(self, name):
        is_name_follower_char = self.is_name_follower_char
        ns = []
        append = ns.append
        upperstate = 0

        ch = name[:1]
        if ch == 'z' or not self.is_name_starter_char(ch):
            append('z')
            if ch == 'z':
                append('z')
        for ch in name:
            if ch == '-' or not is_name_follower_char(ch):
                if upperstate:
                    append('-')
                    upperstate = 0
                append('-')
                if ch != '-':
                    append('%d' % ord(ch))
                append('-')
            elif ch.isupper() and self.tag_uppercase_name_chars:
                if not upperstate:
                    append('-')
                    upperstate = 1
                append(ch)
            else:
                if upperstate:
                    append('-')
                    upperstate = 0
                append(ch)
        if upperstate:
            append('-')
        return ''.join(ns)

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