separate into header, implementation and cli
* separate numericx into: numericx.h, numericx.c, cli.c * numericx.h is the numericx library header * numericx.c is the numericx library implementation * cli.c is the numericx command-line program Signed-off-by: Daniel Santos <dacs.git@brilhante.top>
This commit is contained in:
parent
6752a1a9e2
commit
2bea495fe6
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@ -0,0 +1,176 @@
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/** @file cli.c
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* Numericx command-line interface (CLI) program.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include <errno.h>
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#include "numericx.h"
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/* ||COMPILATION FLAGS|| */
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/**
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* @name Compilation Flags
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*
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* These are the valid compilation flags for the definition of numerical systems.
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* Use them to set the proprieties of the FROM and the TO numerical system, when
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* compiling the cli executable.
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*
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* @{
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*/
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/**
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* @param bool
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*
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* Configuration of the resulting numeral system
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* to have the units place on the end of the writing direction (on the right).
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*/
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#ifndef TO_UNITS_ON_THE_END
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#define TO_UNITS_ON_THE_END false
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#endif
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/**
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* @param bool
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*
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* Configuration of the numeral system of the number input
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* to have the units place on the end of the writing direction (on the right).
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*/
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#ifndef FROM_UNITS_ON_THE_END
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#define FROM_UNITS_ON_THE_END false
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#endif
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/**
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* @param bool
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*
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* Configuration of the resulting numeral system
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* to start counting on the second number, being the
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* first number void.
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*/
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#ifndef TO_FIRST_NUMBER_VOID
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#define TO_FIRST_NUMBER_VOID false
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#endif
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/**
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* @param bool
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*
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* Configuration of the numeral system of the number input
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* to start counting on the second number, being the
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* first number void.
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*/
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#ifndef FROM_FIRST_NUMBER_VOID
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#define FROM_FIRST_NUMBER_VOID false
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#endif
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/**
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* @param bool
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*
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* Configuration of the resulting numeral system
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* to have the first number as an infinite number,
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* for example, if the first number is 'A', then
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* A == AA == AAA == AAAA ...
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*/
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#ifndef TO_INFINITE_BASE
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#define TO_INFINITE_BASE false
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#endif
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/**
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* @param bool
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*
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* Configuration of the numeral system of the number input
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* to have the first number as an infinite number,
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* for example, if the first number is 'A', then
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* A == AA == AAA == AAAA ...
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*/
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#ifndef FROM_INFINITE_BASE
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#define FROM_INFINITE_BASE false
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#endif
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/** @} */
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/* ||MAIN FUNCTION|| */
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/**
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* @brief CLI program.
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*
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* This is a command-line interface program, that uses the 'numericx_*'
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* functions. It receives one number argument from the command-line and
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* prints the translated number, or an error message.
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*
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* @param argv[] - one number from the command-line.
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*
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* @return E2BIG in case of wrong number of arguments.
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* @return EXIT_FAILURE in case of unsuccessful number translation.
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* @return EXIT_SUCCESS in case of a successful number translation.
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*/
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int
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main(int argc, char* argv[])
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{
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/* argument processing */
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if( !(argc == 2) )
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{
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fprintf(stderr, "usage: %s <number>\n", PROG_NAME);
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return E2BIG;
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}
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/* Number variables to be converted */
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char* number = argv[1];
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/* Arguments for translation */
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char* from = malloc( (strlen(FROM_NUMERICALS) + 1) * sizeof(char) );
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char* to = malloc( (strlen(TO_NUMERICALS) + 1) * sizeof(char) );
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strcpy(from, FROM_NUMERICALS);
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strcpy(to, TO_NUMERICALS);
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bool to_units_on_the_end = TO_UNITS_ON_THE_END;
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bool from_units_on_the_end = FROM_UNITS_ON_THE_END;
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bool to_first_number_void = TO_FIRST_NUMBER_VOID;
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bool from_first_number_void = FROM_FIRST_NUMBER_VOID;
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bool to_infinite_base = TO_INFINITE_BASE;
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bool from_infinite_base = FROM_INFINITE_BASE;
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/* Translation */
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char* result = NULL;
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int status = numericx_translate(
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from, from_units_on_the_end, from_first_number_void, from_infinite_base,
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to, to_units_on_the_end, to_first_number_void, to_infinite_base,
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number, &result);
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/* Test for translation failure */
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switch( status )
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{
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case EINVAL:
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fprintf(stderr, "error: %s: %s. Resulting string variable has to be NULL.\n",
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PROG_NAME, strerror(EINVAL));
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break;
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case EDOM:
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fprintf(stderr, "error: %s: %s. Valid numerals are: \"%s\".\n",
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PROG_NAME, strerror(EDOM), from);
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break;
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case ERANGE:
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fprintf(stderr, "error: %s: Unrepresentable void number.\n", PROG_NAME);
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break;
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}
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if( !(status == EXIT_SUCCESS) )
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{
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fprintf(stderr, "error: %s: Incapable of translating.\n", PROG_NAME);
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free(from);
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free(to);
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numericx_free(result);
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return EXIT_FAILURE;
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}
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/* Print */
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printf("%s\n", result);
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/* Free */
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free(from);
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free(to);
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numericx_free(result);
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return EXIT_SUCCESS;
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}
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212
numericx.c
212
numericx.c
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@ -1,110 +1,12 @@
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/** @file numericx.c
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* Source code of the number translator command-line interface.
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* Numericx library implementation.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include <errno.h>
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#define PROG_NAME "numericx"
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/* ||COMPILATION FLAGS|| */
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/**
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* @name Compilation Flags
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*
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* These are the valid compilation flags for the definition of numerical systems.
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* Use them to set the proprieties of the FROM and the TO numerical system, when
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* compiling the cli executable.
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*
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* @{
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*/
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/**
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* @param bool
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*
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* Configuration of the resulting numeral system
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* to have the units place on the end of the writing direction (on the right).
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*/
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#ifndef TO_UNITS_ON_THE_END
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#define TO_UNITS_ON_THE_END false
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#endif
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/**
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* @param bool
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*
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* Configuration of the numeral system of the number input
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* to have the units place on the end of the writing direction (on the right).
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*/
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#ifndef FROM_UNITS_ON_THE_END
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#define FROM_UNITS_ON_THE_END false
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#endif
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/**
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* @param bool
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*
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* Configuration of the resulting numeral system
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* to start counting on the second number, being the
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* first number void.
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*/
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#ifndef TO_FIRST_NUMBER_VOID
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#define TO_FIRST_NUMBER_VOID false
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#endif
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/**
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* @param bool
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*
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* Configuration of the numeral system of the number input
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* to start counting on the second number, being the
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* first number void.
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*/
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#ifndef FROM_FIRST_NUMBER_VOID
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#define FROM_FIRST_NUMBER_VOID false
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#endif
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/**
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* @param bool
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*
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* Configuration of the resulting numeral system
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* to have the first number as an infinite number,
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* for example, if the first number is 'A', then
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* A == AA == AAA == AAAA ...
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*/
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#ifndef TO_INFINITE_BASE
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#define TO_INFINITE_BASE false
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#endif
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/**
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* @param bool
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*
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* Configuration of the numeral system of the number input
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* to have the first number as an infinite number,
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* for example, if the first number is 'A', then
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* A == AA == AAA == AAAA ...
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*/
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#ifndef FROM_INFINITE_BASE
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#define FROM_INFINITE_BASE false
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#endif
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/** @} */
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/* ||DATA STRUCTURE|| */
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/**
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* @brief Numeral structure
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*
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* This struct is in use to apply our operations on the number.
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* The number are converted to this struct, the operations are applied,
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* and on the end, the resulting number is converted from this struct.
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*/
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typedef struct NumeralPtr
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{
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char const* symbol; /**< a pointer to the glyph/numeral/symbol of this digit. */
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struct NumeralPtr *next; /**< a pointer to the next digit */
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struct NumeralPtr *previous; /**< a pointer to the previous digit */
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} numeral_ptr;
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#include "numericx.h"
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/* ||FUNCTIONS|| */
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* @return pointer to new numeral_ptr in case of success.
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* @return NULL in case of no memory.
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*/
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numeral_ptr*
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static numeral_ptr*
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new_digit(numeral_ptr* last_numeral, char const* to_first)
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{
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numeral_ptr* new_numeral = malloc(sizeof(numeral_ptr));
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* @return NULL in case of no memory ( because depends
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* on new_digit() ).
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*/
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numeral_ptr*
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static numeral_ptr*
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numeral_infinity(char const* to_first, size_t cases)
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{
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numeral_ptr* starting_case = new_digit(NULL, to_first);
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* @param num_last - number's numeral system last numeral.
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* @param brand_new_digit - brand new created numeral, if needed by incrementation.
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*/
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void
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static void
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increment(numeral_ptr* numeral, char* num_first, char* num_last, char* brand_new_digit)
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{
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bool cycled = false;
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* @param last_numeral - number's numeral system last numeral.
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* @param numeral_system - string of the corresponding number's numeral system numeral.
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*/
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void
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static void
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decrement_number_string(char* number, char* first_numeral, char* last_numeral, char* numeral_system)
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{
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while( *number == *first_numeral )
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@ -249,7 +151,7 @@ decrement_number_string(char* number, char* first_numeral, char* last_numeral, c
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* @return true if matches.
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* @return false if doesn't match.
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*/
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bool
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static bool
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is_the_same(numeral_ptr* numeral, char* number_arg)
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{
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while( !(numeral == NULL) )
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* Prints to standard output numeral_ptr ('numeral').
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*
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* @param numeral - numeral_ptr to print.
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* @param to_units_on_the_end - define if printing a number with units on the end (on the right)
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*/
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void
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print_numeral(numeral_ptr* numeral)
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static void
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print_numeral(numeral_ptr* numeral, bool to_units_on_the_end)
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{
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if( TO_UNITS_ON_THE_END )
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if( to_units_on_the_end )
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{
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while( !(numeral->next == NULL) )
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numeral = numeral->next;
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@ -303,7 +206,7 @@ print_numeral(numeral_ptr* numeral)
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*
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* @param string - string to be reversed.
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*/
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void
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static void
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reverse_string(char* string)
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{
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char tmp;
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@ -331,7 +234,7 @@ reverse_string(char* string)
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* @return true if it belongs.
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* @return false if it doesn't belong.
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*/
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bool
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static bool
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is_valid_number(char* numeral_system, char *number)
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{
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/*
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@ -355,7 +258,7 @@ is_valid_number(char* numeral_system, char *number)
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*
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* @param numeral - numeral_ptr to free.
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*/
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void
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static void
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free_numeral(numeral_ptr* numeral)
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{
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numeral_ptr* tmp = NULL;
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@ -393,7 +296,7 @@ numericx_free(char* string)
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* @return char pointer to converted string, in case of success.
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* @return NULL in case of no memory.
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*/
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char*
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static char*
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numeral_to_string(numeral_ptr* numeral, bool result_with_units_on_the_end)
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{
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size_t length = 1;
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@ -534,88 +437,3 @@ numericx_translate(char* from, bool from_units_on_the_end, bool from_first_numbe
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return EXIT_SUCCESS;
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}
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/* ||MAIN FUNCTION|| */
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/**
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* @brief CLI program.
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*
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* This is a command-line interface program, that uses the 'numericx_*'
|
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* functions. It receives one number argument from the command-line and
|
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* prints the translated number, or an error message.
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*
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* @param argv[] - one number from the command-line.
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*
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* @return E2BIG in case of wrong number of arguments.
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* @return EXIT_FAILURE in case of unsuccessful number translation.
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* @return EXIT_SUCCESS in case of a successful number translation.
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*/
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int
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main(int argc, char* argv[])
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{
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/* argument processing */
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if( !(argc == 2) )
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{
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fprintf(stderr, "usage: %s <number>\n", PROG_NAME);
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return E2BIG;
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}
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/* Number variables to be converted */
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char* number = argv[1];
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/* Arguments for translation */
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char* from = malloc( (strlen(FROM_NUMERICALS) + 1) * sizeof(char) );
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char* to = malloc( (strlen(TO_NUMERICALS) + 1) * sizeof(char) );
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strcpy(from, FROM_NUMERICALS);
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strcpy(to, TO_NUMERICALS);
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bool to_units_on_the_end = TO_UNITS_ON_THE_END;
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bool from_units_on_the_end = FROM_UNITS_ON_THE_END;
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bool to_first_number_void = TO_FIRST_NUMBER_VOID;
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bool from_first_number_void = FROM_FIRST_NUMBER_VOID;
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bool to_infinite_base = TO_INFINITE_BASE;
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bool from_infinite_base = FROM_INFINITE_BASE;
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/* Translation */
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char* result = NULL;
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int status = numericx_translate(
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from, from_units_on_the_end, from_first_number_void, from_infinite_base,
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to, to_units_on_the_end, to_first_number_void, to_infinite_base,
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number, &result);
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/* Test for translation failure */
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switch( status )
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{
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case EINVAL:
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fprintf(stderr, "error: %s: %s. Resulting string variable has to be NULL.\n",
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PROG_NAME, strerror(EINVAL));
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break;
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case EDOM:
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fprintf(stderr, "error: %s: %s. Valid numerals are: \"%s\".\n",
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PROG_NAME, strerror(EDOM), from);
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break;
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case ERANGE:
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fprintf(stderr, "error: %s: Unrepresentable void number.\n", PROG_NAME);
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break;
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}
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if( !(status == EXIT_SUCCESS) )
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{
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fprintf(stderr, "error: %s: Incapable of translating.\n", PROG_NAME);
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free(from);
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free(to);
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numericx_free(result);
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return EXIT_FAILURE;
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}
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/* Print */
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printf("%s\n", result);
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/* Free */
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free(from);
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free(to);
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numericx_free(result);
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||||
|
||||
return EXIT_SUCCESS;
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||||
}
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|
|
|
@ -0,0 +1,67 @@
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/** @file numericx.h
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* Numericx library header file.
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*/
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#ifndef _NUMERICX_H
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#define _NUMERICX_H
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#include <stdbool.h>
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#define PROG_NAME "numericx"
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||||
/* ||DATA STRUCTURE|| */
|
||||
|
||||
/**
|
||||
* @brief Numeral structure
|
||||
*
|
||||
* This struct is in use to apply our operations on the number.
|
||||
* The number are converted to this struct, the operations are applied,
|
||||
* and on the end, the resulting number is converted from this struct.
|
||||
*/
|
||||
typedef struct NumeralPtr
|
||||
{
|
||||
char const* symbol; /**< a pointer to the glyph/numeral/symbol of this digit. */
|
||||
struct NumeralPtr *next; /**< a pointer to the next digit */
|
||||
struct NumeralPtr *previous; /**< a pointer to the previous digit */
|
||||
} numeral_ptr;
|
||||
|
||||
|
||||
/* ||FUNCTIONS|| */
|
||||
|
||||
/**
|
||||
* @brief Free numericx result.
|
||||
*
|
||||
* Free up the result string of numericx_translate(),
|
||||
* after we are done with it.
|
||||
*
|
||||
* @param string - char pointer to be free.
|
||||
*/
|
||||
void
|
||||
numericx_free(char* string);
|
||||
|
||||
/**
|
||||
* @brief Translate string to a different numerical system.
|
||||
*
|
||||
* After definition of the 'from' numerical system proprieties and the
|
||||
* 'to' numerical system proprieties, will be translate 'number' from the
|
||||
* 'from' to the 'to' numerical system, resulting in a string.
|
||||
*
|
||||
* @param from - string with all the numerals of the number's numerical system.
|
||||
* @param from_units_on_the_end - does the translate 'from' numerical system have units on the end (on the right)?
|
||||
* @param from_first_number_void - does the translate 'from' numerical system start counting on the second number?
|
||||
* @param from_infinite_base - is the translate 'from' numerical system first numeral infinite? For example, if first numeral is 'A', then does 'A' == 'AA' == 'AAA' == 'AAAA' ... ?
|
||||
* @param to - string with all the numerals of the resulting number's numerical system.
|
||||
* @param to_units_on_the_end - does the translate 'to' numerical system have units on the end (on the right)?
|
||||
* @param to_first_number_void - does the translate 'to' numerical system start counting on the second number?
|
||||
* @param to_infinite_base - is the translate 'to' numerical system first numeral infinite? For example, if first numeral is 'A', then does 'A' == 'AA' == 'AAA' == 'AAAA' ... ?
|
||||
* @param number - number of the 'from' numerical system, to be translated into the 'to' numerical system.
|
||||
* @param result_string - string to where to store the result.
|
||||
*
|
||||
* @return EINVAL if argument of result_string is not NULL.
|
||||
* @return EDOM if number doesn't belong to the 'from' numerical system.
|
||||
* @return ERANGE if the resulting number cannot be represented, because of a 'from' void number and a lack of void number in 'to'.
|
||||
* @return EXIT_SUCCESS in case of success.
|
||||
*/
|
||||
int
|
||||
numericx_translate(char* from, bool from_units_on_the_end, bool from_first_number_void, bool from_infinite_base, char* to, bool to_units_on_the_end, bool to_first_number_void, bool to_infinite_base, char* number, char** result_string);
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue