Re: How to encode text into html format

James Kanze <>
Sun, 1 Jun 2008 13:45:29 -0700 (PDT)
On Jun 1, 8:11 pm, Kai-Uwe Bux <> wrote:

Fred Yu wrote:

I want to encode input text into html format such as replace "<" with
"&lt", replace "&" with "&amp".
Could you give me some ideas? Thanks.

Containers: std::map< char, std::string >
Iterators: std::istream_iterator, std::ostream_iterator
Algorithms: std::transform

Agreed for the first (although it may be overkill---in this
particular case, I think I'd go with a simple switch).

No real need for the second; just use istream::get() and
ostream::put() (or operator<< in some cases).

As to the third: how? You're replacing a single character with
a sequence of characters, and transform does a one to one (which
in practice makes it of fairly limited utility---although I've
used it with a vector<string>, ostream_iterator, and as string
transformer class that I've written, which works something like
$(patsubst...) in GNU make).

James Kanze (GABI Software)
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