42/42_INT_03_ft_printf
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

amelioration tests et explication dans main, et amelioration ecriture printf en pseudo code

Browse Source
This commit is contained in:
Hugo LAMY
2020-01-11 00:10:33 +01:00
parent 99495e80ac
commit b0702fd2f3
3 changed files with 381 additions and 194 deletions
Download Patch File Download Diff File Expand all files Collapse all files

292
main.c
View File

@@ -94,7 +94,7 @@ int main(void)
printf("(\"%%i\",0x1E240) : "); printf("%i\n", 0x1E240); printf("\n");
printf("-----------------------------------------------\n");
printf("- flags : -,0,.,* -\n");
printf("- flags : -0.* -\n");
printf("- taille de champ minimale -\n");
printf("-----------------------------------------------\n\n");
@@ -118,6 +118,9 @@ int main(void)
// printf("(\"%%0i\",0) ft : "); ft_printf("'%0i'\n", 0);
printf("(\"%%0i\",0) : "); printf("'%0i'\n", 0); printf("\n");
// printf("(\"%%6i\",-456) ft : "); ft_printf("'%6i'\n", -456);
printf("(\"%%6i\",-456) : "); printf("'%6i'\n", -456); printf("\n");
printf("- flag - --------------------------------------\n\n");
// printf("(\"%%-3s\",\"a\") ft : "); ft_printf("'%-3s'\n", "a");
@@ -146,11 +149,37 @@ int main(void)
// printf("(\"%%03i\",1) ft : "); ft_printf("'%03i'\n", 1);
printf("(\"%%03i\",1) : "); printf("'%03i'\n", 1); printf("\n");
printf("- flag . --------------------------------------\n\n");
// printf("(\"%%09i\",\"123456\") ft : "); ft_printf("'%09s'\n", "123456");
// printf("(\"%%09i\",\"123456\") : "); printf("'%09s'\n", "123456"); printf("\n");
// printf("(\"%%03i\",1) ft : "); ft_printf("'%03i'\n", 1);
printf("(\"%%03i\",1) : "); printf("'%03i'\n", 1); printf("\n");
// printf("(\"%%03i\",1) ft : "); ft_printf("'%03i'\n", 1);
printf("(\"%%03i\",1) : "); printf("'%03i'\n", 1); printf("\n");
printf("- flag . (diouxXs) ----------------------------------------------------------\n");
printf("- if the . is not followed by a number, the value is 0\n");
printf("- with arg value of 0, precision of 0 print nothing\n");
printf("- with numbers (diouxX), gives the minimum number of digit to appear\n");
printf("- if precision > nbr, it's preceded by '0'\n");
printf("- if nbr < 0, '-' is not counted in precision\n");
printf("- (length with '-' is (length(nbr or precision) + 1)'\n");
printf("- if 0 flag is given (for width or precision) it's ignored\n");
printf("- with strings (s), gives the maximum number of characters to be print\n");
printf("- if precision > length(s), it's not preceded by '0'\n");
printf("- precision is calculated before width\n");
printf("\n");
// printf("(\"%%.5s\",\"12\") ft : "); ft_printf("'%.5s'\n", "12");
printf("(\"%%.5s\",\"12\") : "); printf("'%.5s'\n", "12"); printf("\n");
// printf("(\"%%.5s\",\"12345678\") ft : "); ft_printf("'%.5s'\n", "12345678");
printf("(\"%%.5s\",\"12345678\") : "); printf("'%.5s'\n", "12345678"); printf("\n");
// printf("(\"%%12.5s\",\"12345678\") ft : "); ft_printf("'%12.5s'\n", "12345678");
printf("(\"%%12.5s\",\"12345678\") : "); printf("'%12.5s'\n", "12345678"); printf("\n");
// printf("(\"%%.5i\",12) ft : "); ft_printf("'%.5i'\n", 12);
printf("(\"%%.5i\",12) : "); printf("'%.5i'\n", 12); printf("\n");
@@ -178,6 +207,9 @@ int main(void)
// printf("(\"%%.i\",0) ft : "); ft_printf("'%.i'\n", 0);
printf("(\"%%.i\",0) : "); printf("'%.i'\n", 0); printf("\n");
// printf("(\"%%i\",0) ft : "); ft_printf("'%i'\n", 0);
printf("(\"%%i\",0) : "); printf("'%i'\n", 0); printf("\n");
// printf("(\"%%010.7X\",8645) ft : "); ft_printf("'%010.7X'\n", 8645);
printf("(\"%%010.7X\",8645) : "); printf("'%010.7X'\n", 8645); printf("\n");
@@ -187,8 +219,14 @@ int main(void)
// printf("(\"%%-10.7X\",8645) ft : "); ft_printf("'%-10.7X'\n", 8645);
printf("(\"%%-10.7X\",8645) : "); printf("'%-10.7X'\n", 8645); printf("\n");
// printf("(\"%%-.7X\",8645) ft : "); ft_printf("'%-.7X'\n", 8645);
printf("(\"%%-.7X\",8645) : "); printf("'%-.7X'\n", 8645); printf("\n");
// printf("(\"%%-.7i\",8645) ft : "); ft_printf("'%-.7i'\n", 8645);
printf("(\"%%-.7i\",8645) : "); printf("'%-.7i'\n", 8645); printf("\n");
// printf("(\"%%.7i\",-8645) ft : "); ft_printf("'%.7i'\n", -8645);
printf("(\"%%.7i\",-8645) : "); printf("'%.7i'\n", -8645); printf("\n");
// printf("(\"%%.07i\",8645) ft : "); ft_printf("'%.07i'\n", 8645);
printf("(\"%%.07i\",8645) : "); printf("'%.07i'\n", 8645); printf("\n");
printf("- flag * --------------------------------------\n\n");
@@ -283,87 +321,165 @@ int main(void)
return (0);
}
// conversions : cspdiuxX%
// flags : -,0,.,*
// conversions : nfge
// flags : l,ll,h,hh,#,', ,+
//
// usage :
// %[arg_nbr$][flags #,0,-, ,+,'][width *][.precision *][length hh,h,ll,l,L,j,t,z][specifier d,i,u,x,X,c,s,p,%,e,f,g,n,E,F,G,a,A,C,S,o]
// % [flags 0,- ][width *][.precision *] [specifier d,i,u,x,X,c,s,p,% ]
// % [flags #,', ,+] [length hh,h,ll,l ][specifier e,f,g,n ]
//
// [arg_nbr]
//( nbr$ specify the argument to access, they are numbered starting at 1
//
// [flags] #,0,-, ,+,'
// - left-justify within the given field width
// 0 left-pads the number with zeroes (0) instead of spaces, where
// padding is specified (see width sub-specifier)
//( + forces to precede the result with a plus or minus sign even for
// positive numbers)
//( (space) if no sign is going to be written, a blank space is inserted
// before the value)
//( # (o, x, X, a, A, e, E, f, F, g, G) used with (o, x or X) the
// value is preceded with 0, 0x or 0X for values different than
// zero. used with (e, E or f), it forces the written output to
// contain a decimal point even if no digits would follow. by
// default, if no digits follow, no decimal point is written. used
// with (g or G) the result is the same as with e or E but trailing
// zeros are not removed
//( ' (d, u, i, f, F) used with d, u or i, or the integral portion of
// a float f or F, the decimal conversions are printed by groups of
// thousands separated by the non-monetary separator returned by
// localeconv(3) (ex 123456789 -> 123,456,789)
//
//
// [specifiers] d,i,u,x,X,c,s,p,%,e,f,g,n,E,F,G,a,A,C,S,o
// c char character
// s *char string of characters
// p * pointer adress
// d int (or i) signed decimal integer
// i int (or d) signed decimal integer
// u int unsigned decimal integer
// x int unsigned hexadecimal integer
// X int unsigned hexadecimal integer (capital letters)
//( n *int nothing printed
//( f float decimal floating point
//( e float scientific notation (mantissa/exponent) using e
//( g float uses the shorter of %e or %f
//((F float
//((E float scientific notation (mantissa/exponent) using E
//((G float uses the shorter of %E or %f
//((o int signed octal
//((C char treated as c with l modifier
//((a float
//((A float
//((S *char treated as s with l modifier
//
// [width]
// (nbr) minimum number of characters to be printed. if the value to be
// printed is shorter than this number, the result is padded with
// blank spaces. The value is not truncated even if the result is
// larger
// * the width is not specified in the format string, but as an
// additional integer value argument preceding the argument that
// has to be formatted
//
// [.precision]
// .nbr fot integer specifiers (d,i,o,x,X) - precision specifies the
// minimum number of digits to be written. If the value to be
// written is shorter than this number, the result is padded with
// leading zeros. The value is not truncated even if the result is
// longer. A precision of 0 means that no character is written for
// the value 0. For e, E and f specifiers − this is the number of
// digits to be printed after the decimal point. For g and G
// specifiers − This is the maximum number of significant digits
// to be printed. For s − this is the maximum number of characters
// to be printed. By default all characters are printed until the
// ending null character is encountered. For c type − it has no
// effect. When no precision is specified, the default is 1. If the
// period is specified without an explicit value for precision, 0
// is assumed
// .* the precision is not specified in the format string, but as an
// additional integer value argument preceding the argument that
// has to be formated
//
/*
int flag: pw+ '#-0
00000000 00000000 00000000 00000001 == 1 '0'
00000000 00000000 00000000 00000010 == 2 '-'
00000000 00000000 00000000 00000100 == 4 '#'
00000000 00000000 00000000 00001000 == 8 '''
00000000 00000000 00000000 00010000 == 16 ' '
00000000 00000000 00000000 00100000 == 32 '+'
00000000 00000000 00000000 01000000 == 64 '*' width
00000000 00000000 00000000 10000000 == 128 '*' precision
typedef struct s_prist
{
char *str;
int flag; // default 0 ; [0-#' +**] binary
int width; // default 0 ;
int prec; // default 0 ; precision
char *length; // default "\0" ;
char spec; // default 0 ; specifier
char *arg; // default "\0" ;
int p_nb; // default 0 ; print_nb : order in which to print (order it was found in string)
int a_nb; // default 0 ; arg_nb : number of the corresponding argument (for flag $)
struct s_prist *next;
} t_prist;
("2 1 3 4 3", 1, 2, 3, 4)
ft_error(int err)
ft_store("%i truc %-10d machin\n")
ft_split_print(str)
prist->str = "%i";
ft_fill_lst(prist)
prist->flag; // default = 0
prist->width; // default = 0
prist->prec; // default = 0
prist->length;
prist->spec;
prist->p_nb;
prist->a_nb; // if not $ == p_nb
prist->str = " truc ";
ft_fill_lst(prist)
... // if str start without % it means it can be printed as a string directly
prist->str = "%-10d";
ft_fill_lst...
prist->str = " machin\n";
ft_fill_lst...
return
{{str; flag; width; precision; length; specifier; p_nb 1; a_nb 2},
{str; flag; width; precision; length; specifier; p_nb 2; a_nb 1},
{str; flag; width; precision; length; specifier; p_nb 3; a_nb 3},
{str; flag; width; precision; length; specifier; p_nb 4; a_nb 4},
{str; flag; width; precision; length; specifier; p_nb 5; a_nb 3}}
ft_sort_by_arg
{{str; flag; width; precision; length; specifier; p_nb 2; a_nb 1},
{str; flag; width; precision; length; specifier; p_nb 1; a_nb 2},
{str; flag; width; precision; length; specifier; p_nb 3; a_nb 3},
{str; flag; width; precision; length; specifier; p_nb 5; a_nb 3},
{str; flag; width; precision; length; specifier; p_nb 4; a_nb 4}}
ft_add_arg
if lst->str[o] != '\%' rerun without looking for argument
if lst->flag == * rerun for next argument but same list element
[fl][w][p] or or
%i ,1 -> '1' [] [0][0] [ ][0][0] [] [0][0]
%*i ,3,1 -> ' 1' [*] [0][0] [* ][0][0] [w] [0][0]
%.*i ,2,1 -> '01' [*] [0][0] [ *][0][0] [p] [0][0]
%*.*i ,3,2,1 -> ' 01' [**][0][0] [**][0][0] [wp][0][0]
%3.*i ,2,1 -> ' 01' [*] [3][0] [ *][3][0] [p] [3][0]
%*.2i ,3,1 -> ' 01' [*] [0][2] [* ][0][2] [w] [0][2]
%3.2i ,1 -> ' 01' [] [3][2] [ ][3][2] [] [3][2]
if lst->next->a_nb == lst->a_nb rerun for next list element but same argument
{{str; flag; width; precision; length; specifier; arg; p_nb 2; a_nb 1},
{str; flag; width; precision; length; specifier; arg; p_nb 1; a_nb 2},
{str; flag; width; precision; length; specifier; arg; p_nb 3; a_nb 3},
{str; flag; width; precision; length; specifier; arg; p_nb 5; a_nb 3},
{str; flag; width; precision; length; specifier; arg; p_nb 4; a_nb 4}}
conversions : cspdiuxX%
flags : -,0,.,*
conversions : nfge
flags : l,ll,h,hh,#,', ,+
usage :
printf %[arg_nbr$][flags #,0,-, ,+,'][width *][.precision *][length hh,h,ll,l,L,j,t,z][specifier d,i,u,x,X,c,s,p,%,e,f,g,n,E,F,G,a,A,C,S,o]
ft_printf % [flags 0,- ][width *][.precision *] [specifier d,i,u,x,X,c,s,p,% ]
bonus % [flags #,', ,+] [length hh,h,ll,l ][specifier e,f,g,n ]
[arg_nbr]
( nbr$ specify the argument to access, they are numbered starting at 1
[flags] #,0,-, ,+,'
- left-justify within the given field width
0 left-pads the number with zeroes (0) instead of spaces, where
padding is specified (see width sub-specifier)
( + forces to precede the result with a plus or minus sign even for
positive numbers)
( (space) if no sign is going to be written, a blank space is inserted
before the value)
( # (o, x, X, a, A, e, E, f, F, g, G) used with (o, x or X) the
value is preceded with 0, 0x or 0X for values different than
zero. used with (e, E or f), it forces the written output to
contain a decimal point even if no digits would follow. by
default, if no digits follow, no decimal point is written. used
with (g or G) the result is the same as with e or E but trailing
zeros are not removed
( ' (d, u, i, f, F) used with d, u or i, or the integral portion of
a float f or F, the decimal conversions are printed by groups of
thousands separated by the non-monetary separator returned by
localeconv(3) (ex 123456789 -> 123,456,789)
[specifiers] d,i,u,x,X,c,s,p,%,e,f,g,n,E,F,G,a,A,C,S,o
c char character
s *char string of characters
p * pointer adress
d int (or i) signed decimal integer
i int (or d) signed decimal integer
u int unsigned decimal integer
x int unsigned hexadecimal integer
X int unsigned hexadecimal integer (capital letters)
( n *int nothing printed
( f float decimal floating point
( e float scientific notation (mantissa/exponent) using e
( g float uses the shorter of %e or %f
((F float
((E float scientific notation (mantissa/exponent) using E
((G float uses the shorter of %E or %f
((o int signed octal
((C char treated as c with l modifier
((a float
((A float
((S *char treated as s with l modifier
[width]
(nbr) minimum number of characters to be printed. if the value to be
printed is shorter than this number, the result is padded with
blank spaces. The value is not truncated even if the result is
larger
* the width is not specified in the format string, but as an
additional integer value argument preceding the argument that
has to be formatted
[.precision]
.nbr fot integer specifiers (d,i,o,x,X) - precision specifies the
minimum number of digits to be written. If the value to be
written is shorter than this number, the result is padded with
leading zeros. The value is not truncated even if the result is
longer. A precision of 0 means that no character is written for
the value 0. For e, E and f specifiers − this is the number of
digits to be printed after the decimal point. For g and G
specifiers − This is the maximum number of significant digits
to be printed. For s − this is the maximum number of characters
to be printed. By default all characters are printed until the
ending null character is encountered. For c type − it has no
effect. When no precision is specified, the default is 1. If the
period is specified without an explicit value for precision, 0
is assumed
.* the precision is not specified in the format string, but as an
additional integer value argument preceding the argument that
has to be formated
*/