| V. J. Rayward-Smith. A rst course in Formal Language Theory. Radio i sviaz, Moscow, 1988, (in Russian). |
....cfileN. c cfile1. c . input user MyDTD MyDoc MyDoc Changed GCC HTML pages CGI Interface HTML forms MyDTD.cgi MyTranslator Figure 1: The basic scheme of the implementation 2 About tools The methodological basis of structured documents is the theory of formal languages and automata [1, 10, 11]. Markup languages are usually de ned by extended context free grammars. The extended BackusNaur Form (BNF) of context free grammar is suitable and widely used for de ning the structure of the documents. Extended Backus Naur Form of context free grammar allows to use regular expressions to present ....
....an end of file, it then runs this function. return 1; Non zero value terminates the scanner after reading end of file. int main(void) The main function of program for generating html page. It contains the call of the scanner yylex( generated by lex tool. char inpfile[10]; char outfile[10] printf( Enter name of input file: scanf( s ,inpfile) printf( n ) printf( Enter name of output file: scanf( s ,outfile) printf( n ) yyin=fopen(inpfile, r ) if (yyin= NULL) printf( Error of opening s n ,inpfile) return 1; yyout=fopen(outfile, w ) if ....
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V. J. Rayward-Smith. A rst course in Formal Language Theory. Radio i sviaz, Moscow, 1988, (in Russian).
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Series B 57#1#:205#220. Rayward-Smith, V. J. 1983. A #rst course in formal language theory. Oxford: Blackwell Scienti#c Publications Ltd.
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