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Xml_node: allow whitespace around '=' characters

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Fixes #4167
This commit is contained in:
Norman Feske
2022-09-21 17:57:34 +02:00
committed by Christian Helmuth
parent ef269ea2e0
commit da150dbb1c
4 changed files with 22 additions and 10 deletions
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2
repos/base/include/util/token.h
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@@ -110,7 +110,7 @@ class Genode::Token
/**
* Access single characters of token
*/
char operator [] (int idx)
char operator [] (int idx) const
{
return ((idx >= 0) && ((unsigned)idx < _len)) ? _start[idx] : 0;
}

17
repos/base/include/util/xml_node.h
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@@ -55,17 +55,16 @@ class Genode::Xml_attribute
struct Tokens
{
Token name;
Token value;
Token equals { name .next().eat_whitespace() };
Token value { equals.next().eat_whitespace() };
Tokens(Token t)
: name(t.eat_whitespace()), value(name.next().next()) { };
Tokens(Token t) : name(t.eat_whitespace()) { };
bool valid() const
{
bool const tag_present = (name.type() == Token::IDENT);
bool const value_present = (name.next()[0] == '=' &&
value.type() == Token::STRING);
return tag_present && value_present;
return (name.type() == Token::IDENT)
&& (equals[0] == '=')
&& (value.type() == Token::STRING);
}
} _tokens;
@@ -103,7 +102,7 @@ class Genode::Xml_attribute
/**
* Return token following the attribute declaration
*/
Token _next_token() const { return _tokens.name.next().next().next(); }
Token _next_token() const { return _tokens.value.next(); }
public:
@@ -355,7 +354,7 @@ class Genode::Xml_node
}
/**
* Return true if tag as at least one attribute
* Return true if tag has at least one attribute
*/
bool has_attribute() const { return Xml_attribute::_valid(_name.next()); }