| /* implements the string, long, and float formatters. that is, | |
| string.__format__, etc. */ | |
| #include <locale.h> | |
| /* Before including this, you must include either: | |
| stringlib/unicodedefs.h | |
| stringlib/stringdefs.h | |
| Also, you should define the names: | |
| FORMAT_STRING | |
| FORMAT_LONG | |
| FORMAT_FLOAT | |
| FORMAT_COMPLEX | |
| to be whatever you want the public names of these functions to | |
| be. These are the only non-static functions defined here. | |
| */ | |
| /* Raises an exception about an unknown presentation type for this | |
| * type. */ | |
| static void | |
| unknown_presentation_type(STRINGLIB_CHAR presentation_type, | |
| const char* type_name) | |
| { | |
| #if STRINGLIB_IS_UNICODE | |
| /* If STRINGLIB_CHAR is Py_UNICODE, %c might be out-of-range, | |
| hence the two cases. If it is char, gcc complains that the | |
| condition below is always true, hence the ifdef. */ | |
| if (presentation_type > 32 && presentation_type < 128) | |
| #endif | |
| PyErr_Format(PyExc_ValueError, | |
| "Unknown format code '%c' " | |
| "for object of type '%.200s'", | |
| (char)presentation_type, | |
| type_name); | |
| #if STRINGLIB_IS_UNICODE | |
| else | |
| PyErr_Format(PyExc_ValueError, | |
| "Unknown format code '\\x%x' " | |
| "for object of type '%.200s'", | |
| (unsigned int)presentation_type, | |
| type_name); | |
| #endif | |
| } | |
| static void | |
| invalid_comma_type(STRINGLIB_CHAR presentation_type) | |
| { | |
| #if STRINGLIB_IS_UNICODE | |
| /* See comment in unknown_presentation_type */ | |
| if (presentation_type > 32 && presentation_type < 128) | |
| #endif | |
| PyErr_Format(PyExc_ValueError, | |
| "Cannot specify ',' with '%c'.", | |
| (char)presentation_type); | |
| #if STRINGLIB_IS_UNICODE | |
| else | |
| PyErr_Format(PyExc_ValueError, | |
| "Cannot specify ',' with '\\x%x'.", | |
| (unsigned int)presentation_type); | |
| #endif | |
| } | |
| /* | |
| get_integer consumes 0 or more decimal digit characters from an | |
| input string, updates *result with the corresponding positive | |
| integer, and returns the number of digits consumed. | |
| returns -1 on error. | |
| */ | |
| static int | |
| get_integer(STRINGLIB_CHAR **ptr, STRINGLIB_CHAR *end, | |
| Py_ssize_t *result) | |
| { | |
| Py_ssize_t accumulator, digitval, oldaccumulator; | |
| int numdigits; | |
| accumulator = numdigits = 0; | |
| for (;;(*ptr)++, numdigits++) { | |
| if (*ptr >= end) | |
| break; | |
| digitval = STRINGLIB_TODECIMAL(**ptr); | |
| if (digitval < 0) | |
| break; | |
| /* | |
| This trick was copied from old Unicode format code. It's cute, | |
| but would really suck on an old machine with a slow divide | |
| implementation. Fortunately, in the normal case we do not | |
| expect too many digits. | |
| */ | |
| oldaccumulator = accumulator; | |
| accumulator *= 10; | |
| if ((accumulator+10)/10 != oldaccumulator+1) { | |
| PyErr_Format(PyExc_ValueError, | |
| "Too many decimal digits in format string"); | |
| return -1; | |
| } | |
| accumulator += digitval; | |
| } | |
| *result = accumulator; | |
| return numdigits; | |
| } | |
| /************************************************************************/ | |
| /*********** standard format specifier parsing **************************/ | |
| /************************************************************************/ | |
| /* returns true if this character is a specifier alignment token */ | |
| Py_LOCAL_INLINE(int) | |
| is_alignment_token(STRINGLIB_CHAR c) | |
| { | |
| switch (c) { | |
| case '<': case '>': case '=': case '^': | |
| return 1; | |
| default: | |
| return 0; | |
| } | |
| } | |
| /* returns true if this character is a sign element */ | |
| Py_LOCAL_INLINE(int) | |
| is_sign_element(STRINGLIB_CHAR c) | |
| { | |
| switch (c) { | |
| case ' ': case '+': case '-': | |
| return 1; | |
| default: | |
| return 0; | |
| } | |
| } | |
| typedef struct { | |
| STRINGLIB_CHAR fill_char; | |
| STRINGLIB_CHAR align; | |
| int alternate; | |
| STRINGLIB_CHAR sign; | |
| Py_ssize_t width; | |
| int thousands_separators; | |
| Py_ssize_t precision; | |
| STRINGLIB_CHAR type; | |
| } InternalFormatSpec; | |
| #if 0 | |
| /* Occassionally useful for debugging. Should normally be commented out. */ | |
| static void | |
| DEBUG_PRINT_FORMAT_SPEC(InternalFormatSpec *format) | |
| { | |
| printf("internal format spec: fill_char %d\n", format->fill_char); | |
| printf("internal format spec: align %d\n", format->align); | |
| printf("internal format spec: alternate %d\n", format->alternate); | |
| printf("internal format spec: sign %d\n", format->sign); | |
| printf("internal format spec: width %zd\n", format->width); | |
| printf("internal format spec: thousands_separators %d\n", | |
| format->thousands_separators); | |
| printf("internal format spec: precision %zd\n", format->precision); | |
| printf("internal format spec: type %c\n", format->type); | |
| printf("\n"); | |
| } | |
| #endif | |
| /* | |
| ptr points to the start of the format_spec, end points just past its end. | |
| fills in format with the parsed information. | |
| returns 1 on success, 0 on failure. | |
| if failure, sets the exception | |
| */ | |
| static int | |
| parse_internal_render_format_spec(STRINGLIB_CHAR *format_spec, | |
| Py_ssize_t format_spec_len, | |
| InternalFormatSpec *format, | |
| char default_type, | |
| char default_align) | |
| { | |
| STRINGLIB_CHAR *ptr = format_spec; | |
| STRINGLIB_CHAR *end = format_spec + format_spec_len; | |
| /* end-ptr is used throughout this code to specify the length of | |
| the input string */ | |
| Py_ssize_t consumed; | |
| int align_specified = 0; | |
| format->fill_char = '\0'; | |
| format->align = default_align; | |
| format->alternate = 0; | |
| format->sign = '\0'; | |
| format->width = -1; | |
| format->thousands_separators = 0; | |
| format->precision = -1; | |
| format->type = default_type; | |
| /* If the second char is an alignment token, | |
| then parse the fill char */ | |
| if (end-ptr >= 2 && is_alignment_token(ptr[1])) { | |
| format->align = ptr[1]; | |
| format->fill_char = ptr[0]; | |
| align_specified = 1; | |
| ptr += 2; | |
| } | |
| else if (end-ptr >= 1 && is_alignment_token(ptr[0])) { | |
| format->align = ptr[0]; | |
| align_specified = 1; | |
| ++ptr; | |
| } | |
| /* Parse the various sign options */ | |
| if (end-ptr >= 1 && is_sign_element(ptr[0])) { | |
| format->sign = ptr[0]; | |
| ++ptr; | |
| } | |
| /* If the next character is #, we're in alternate mode. This only | |
| applies to integers. */ | |
| if (end-ptr >= 1 && ptr[0] == '#') { | |
| format->alternate = 1; | |
| ++ptr; | |
| } | |
| /* The special case for 0-padding (backwards compat) */ | |
| if (format->fill_char == '\0' && end-ptr >= 1 && ptr[0] == '0') { | |
| format->fill_char = '0'; | |
| if (!align_specified) { | |
| format->align = '='; | |
| } | |
| ++ptr; | |
| } | |
| consumed = get_integer(&ptr, end, &format->width); | |
| if (consumed == -1) | |
| /* Overflow error. Exception already set. */ | |
| return 0; | |
| /* If consumed is 0, we didn't consume any characters for the | |
| width. In that case, reset the width to -1, because | |
| get_integer() will have set it to zero. -1 is how we record | |
| that the width wasn't specified. */ | |
| if (consumed == 0) | |
| format->width = -1; | |
| /* Comma signifies add thousands separators */ | |
| if (end-ptr && ptr[0] == ',') { | |
| format->thousands_separators = 1; | |
| ++ptr; | |
| } | |
| /* Parse field precision */ | |
| if (end-ptr && ptr[0] == '.') { | |
| ++ptr; | |
| consumed = get_integer(&ptr, end, &format->precision); | |
| if (consumed == -1) | |
| /* Overflow error. Exception already set. */ | |
| return 0; | |
| /* Not having a precision after a dot is an error. */ | |
| if (consumed == 0) { | |
| PyErr_Format(PyExc_ValueError, | |
| "Format specifier missing precision"); | |
| return 0; | |
| } | |
| } | |
| /* Finally, parse the type field. */ | |
| if (end-ptr > 1) { | |
| /* More than one char remain, invalid conversion spec. */ | |
| PyErr_Format(PyExc_ValueError, "Invalid conversion specification"); | |
| return 0; | |
| } | |
| if (end-ptr == 1) { | |
| format->type = ptr[0]; | |
| ++ptr; | |
| } | |
| /* Do as much validating as we can, just by looking at the format | |
| specifier. Do not take into account what type of formatting | |
| we're doing (int, float, string). */ | |
| if (format->thousands_separators) { | |
| switch (format->type) { | |
| case 'd': | |
| case 'e': | |
| case 'f': | |
| case 'g': | |
| case 'E': | |
| case 'G': | |
| case '%': | |
| case 'F': | |
| case '\0': | |
| /* These are allowed. See PEP 378.*/ | |
| break; | |
| default: | |
| invalid_comma_type(format->type); | |
| return 0; | |
| } | |
| } | |
| return 1; | |
| } | |
| /* Calculate the padding needed. */ | |
| static void | |
| calc_padding(Py_ssize_t nchars, Py_ssize_t width, STRINGLIB_CHAR align, | |
| Py_ssize_t *n_lpadding, Py_ssize_t *n_rpadding, | |
| Py_ssize_t *n_total) | |
| { | |
| if (width >= 0) { | |
| if (nchars > width) | |
| *n_total = nchars; | |
| else | |
| *n_total = width; | |
| } | |
| else { | |
| /* not specified, use all of the chars and no more */ | |
| *n_total = nchars; | |
| } | |
| /* Figure out how much leading space we need, based on the | |
| aligning */ | |
| if (align == '>') | |
| *n_lpadding = *n_total - nchars; | |
| else if (align == '^') | |
| *n_lpadding = (*n_total - nchars) / 2; | |
| else if (align == '<' || align == '=') | |
| *n_lpadding = 0; | |
| else { | |
| /* We should never have an unspecified alignment. */ | |
| *n_lpadding = 0; | |
| assert(0); | |
| } | |
| *n_rpadding = *n_total - nchars - *n_lpadding; | |
| } | |
| /* Do the padding, and return a pointer to where the caller-supplied | |
| content goes. */ | |
| static STRINGLIB_CHAR * | |
| fill_padding(STRINGLIB_CHAR *p, Py_ssize_t nchars, STRINGLIB_CHAR fill_char, | |
| Py_ssize_t n_lpadding, Py_ssize_t n_rpadding) | |
| { | |
| /* Pad on left. */ | |
| if (n_lpadding) | |
| STRINGLIB_FILL(p, fill_char, n_lpadding); | |
| /* Pad on right. */ | |
| if (n_rpadding) | |
| STRINGLIB_FILL(p + nchars + n_lpadding, fill_char, n_rpadding); | |
| /* Pointer to the user content. */ | |
| return p + n_lpadding; | |
| } | |
| #if defined FORMAT_FLOAT || defined FORMAT_LONG || defined FORMAT_COMPLEX | |
| /************************************************************************/ | |
| /*********** common routines for numeric formatting *********************/ | |
| /************************************************************************/ | |
| /* Locale type codes. */ | |
| #define LT_CURRENT_LOCALE 0 | |
| #define LT_DEFAULT_LOCALE 1 | |
| #define LT_NO_LOCALE 2 | |
| /* Locale info needed for formatting integers and the part of floats | |
| before and including the decimal. Note that locales only support | |
| 8-bit chars, not unicode. */ | |
| typedef struct { | |
| char *decimal_point; | |
| char *thousands_sep; | |
| char *grouping; | |
| } LocaleInfo; | |
| /* describes the layout for an integer, see the comment in | |
| calc_number_widths() for details */ | |
| typedef struct { | |
| Py_ssize_t n_lpadding; | |
| Py_ssize_t n_prefix; | |
| Py_ssize_t n_spadding; | |
| Py_ssize_t n_rpadding; | |
| char sign; | |
| Py_ssize_t n_sign; /* number of digits needed for sign (0/1) */ | |
| Py_ssize_t n_grouped_digits; /* Space taken up by the digits, including | |
| any grouping chars. */ | |
| Py_ssize_t n_decimal; /* 0 if only an integer */ | |
| Py_ssize_t n_remainder; /* Digits in decimal and/or exponent part, | |
| excluding the decimal itself, if | |
| present. */ | |
| /* These 2 are not the widths of fields, but are needed by | |
| STRINGLIB_GROUPING. */ | |
| Py_ssize_t n_digits; /* The number of digits before a decimal | |
| or exponent. */ | |
| Py_ssize_t n_min_width; /* The min_width we used when we computed | |
| the n_grouped_digits width. */ | |
| } NumberFieldWidths; | |
| /* Given a number of the form: | |
| digits[remainder] | |
| where ptr points to the start and end points to the end, find where | |
| the integer part ends. This could be a decimal, an exponent, both, | |
| or neither. | |
| If a decimal point is present, set *has_decimal and increment | |
| remainder beyond it. | |
| Results are undefined (but shouldn't crash) for improperly | |
| formatted strings. | |
| */ | |
| static void | |
| parse_number(STRINGLIB_CHAR *ptr, Py_ssize_t len, | |
| Py_ssize_t *n_remainder, int *has_decimal) | |
| { | |
| STRINGLIB_CHAR *end = ptr + len; | |
| STRINGLIB_CHAR *remainder; | |
| while (ptr<end && isdigit(*ptr)) | |
| ++ptr; | |
| remainder = ptr; | |
| /* Does remainder start with a decimal point? */ | |
| *has_decimal = ptr<end && *remainder == '.'; | |
| /* Skip the decimal point. */ | |
| if (*has_decimal) | |
| remainder++; | |
| *n_remainder = end - remainder; | |
| } | |
| /* not all fields of format are used. for example, precision is | |
| unused. should this take discrete params in order to be more clear | |
| about what it does? or is passing a single format parameter easier | |
| and more efficient enough to justify a little obfuscation? */ | |
| static Py_ssize_t | |
| calc_number_widths(NumberFieldWidths *spec, Py_ssize_t n_prefix, | |
| STRINGLIB_CHAR sign_char, STRINGLIB_CHAR *number, | |
| Py_ssize_t n_number, Py_ssize_t n_remainder, | |
| int has_decimal, const LocaleInfo *locale, | |
| const InternalFormatSpec *format) | |
| { | |
| Py_ssize_t n_non_digit_non_padding; | |
| Py_ssize_t n_padding; | |
| spec->n_digits = n_number - n_remainder - (has_decimal?1:0); | |
| spec->n_lpadding = 0; | |
| spec->n_prefix = n_prefix; | |
| spec->n_decimal = has_decimal ? strlen(locale->decimal_point) : 0; | |
| spec->n_remainder = n_remainder; | |
| spec->n_spadding = 0; | |
| spec->n_rpadding = 0; | |
| spec->sign = '\0'; | |
| spec->n_sign = 0; | |
| /* the output will look like: | |
| | | | |
| | <lpadding> <sign> <prefix> <spadding> <grouped_digits> <decimal> <remainder> <rpadding> | | |
| | | | |
| sign is computed from format->sign and the actual | |
| sign of the number | |
| prefix is given (it's for the '0x' prefix) | |
| digits is already known | |
| the total width is either given, or computed from the | |
| actual digits | |
| only one of lpadding, spadding, and rpadding can be non-zero, | |
| and it's calculated from the width and other fields | |
| */ | |
| /* compute the various parts we're going to write */ | |
| switch (format->sign) { | |
| case '+': | |
| /* always put a + or - */ | |
| spec->n_sign = 1; | |
| spec->sign = (sign_char == '-' ? '-' : '+'); | |
| break; | |
| case ' ': | |
| spec->n_sign = 1; | |
| spec->sign = (sign_char == '-' ? '-' : ' '); | |
| break; | |
| default: | |
| /* Not specified, or the default (-) */ | |
| if (sign_char == '-') { | |
| spec->n_sign = 1; | |
| spec->sign = '-'; | |
| } | |
| } | |
| /* The number of chars used for non-digits and non-padding. */ | |
| n_non_digit_non_padding = spec->n_sign + spec->n_prefix + spec->n_decimal + | |
| spec->n_remainder; | |
| /* min_width can go negative, that's okay. format->width == -1 means | |
| we don't care. */ | |
| if (format->fill_char == '0' && format->align == '=') | |
| spec->n_min_width = format->width - n_non_digit_non_padding; | |
| else | |
| spec->n_min_width = 0; | |
| if (spec->n_digits == 0) | |
| /* This case only occurs when using 'c' formatting, we need | |
| to special case it because the grouping code always wants | |
| to have at least one character. */ | |
| spec->n_grouped_digits = 0; | |
| else | |
| spec->n_grouped_digits = STRINGLIB_GROUPING(NULL, 0, NULL, | |
| spec->n_digits, | |
| spec->n_min_width, | |
| locale->grouping, | |
| locale->thousands_sep); | |
| /* Given the desired width and the total of digit and non-digit | |
| space we consume, see if we need any padding. format->width can | |
| be negative (meaning no padding), but this code still works in | |
| that case. */ | |
| n_padding = format->width - | |
| (n_non_digit_non_padding + spec->n_grouped_digits); | |
| if (n_padding > 0) { | |
| /* Some padding is needed. Determine if it's left, space, or right. */ | |
| switch (format->align) { | |
| case '<': | |
| spec->n_rpadding = n_padding; | |
| break; | |
| case '^': | |
| spec->n_lpadding = n_padding / 2; | |
| spec->n_rpadding = n_padding - spec->n_lpadding; | |
| break; | |
| case '=': | |
| spec->n_spadding = n_padding; | |
| break; | |
| case '>': | |
| spec->n_lpadding = n_padding; | |
| break; | |
| default: | |
| /* Shouldn't get here, but treat it as '>' */ | |
| spec->n_lpadding = n_padding; | |
| assert(0); | |
| break; | |
| } | |
| } | |
| return spec->n_lpadding + spec->n_sign + spec->n_prefix + | |
| spec->n_spadding + spec->n_grouped_digits + spec->n_decimal + | |
| spec->n_remainder + spec->n_rpadding; | |
| } | |
| /* Fill in the digit parts of a numbers's string representation, | |
| as determined in calc_number_widths(). | |
| No error checking, since we know the buffer is the correct size. */ | |
| static void | |
| fill_number(STRINGLIB_CHAR *buf, const NumberFieldWidths *spec, | |
| STRINGLIB_CHAR *digits, Py_ssize_t n_digits, | |
| STRINGLIB_CHAR *prefix, STRINGLIB_CHAR fill_char, | |
| LocaleInfo *locale, int toupper) | |
| { | |
| /* Used to keep track of digits, decimal, and remainder. */ | |
| STRINGLIB_CHAR *p = digits; | |
| #ifndef NDEBUG | |
| Py_ssize_t r; | |
| #endif | |
| if (spec->n_lpadding) { | |
| STRINGLIB_FILL(buf, fill_char, spec->n_lpadding); | |
| buf += spec->n_lpadding; | |
| } | |
| if (spec->n_sign == 1) { | |
| *buf++ = spec->sign; | |
| } | |
| if (spec->n_prefix) { | |
| memmove(buf, | |
| prefix, | |
| spec->n_prefix * sizeof(STRINGLIB_CHAR)); | |
| if (toupper) { | |
| Py_ssize_t t; | |
| for (t = 0; t < spec->n_prefix; ++t) | |
| buf[t] = STRINGLIB_TOUPPER(buf[t]); | |
| } | |
| buf += spec->n_prefix; | |
| } | |
| if (spec->n_spadding) { | |
| STRINGLIB_FILL(buf, fill_char, spec->n_spadding); | |
| buf += spec->n_spadding; | |
| } | |
| /* Only for type 'c' special case, it has no digits. */ | |
| if (spec->n_digits != 0) { | |
| /* Fill the digits with InsertThousandsGrouping. */ | |
| #ifndef NDEBUG | |
| r = | |
| #endif | |
| STRINGLIB_GROUPING(buf, spec->n_grouped_digits, digits, | |
| spec->n_digits, spec->n_min_width, | |
| locale->grouping, locale->thousands_sep); | |
| #ifndef NDEBUG | |
| assert(r == spec->n_grouped_digits); | |
| #endif | |
| p += spec->n_digits; | |
| } | |
| if (toupper) { | |
| Py_ssize_t t; | |
| for (t = 0; t < spec->n_grouped_digits; ++t) | |
| buf[t] = STRINGLIB_TOUPPER(buf[t]); | |
| } | |
| buf += spec->n_grouped_digits; | |
| if (spec->n_decimal) { | |
| Py_ssize_t t; | |
| for (t = 0; t < spec->n_decimal; ++t) | |
| buf[t] = locale->decimal_point[t]; | |
| buf += spec->n_decimal; | |
| p += 1; | |
| } | |
| if (spec->n_remainder) { | |
| memcpy(buf, p, spec->n_remainder * sizeof(STRINGLIB_CHAR)); | |
| buf += spec->n_remainder; | |
| p += spec->n_remainder; | |
| } | |
| if (spec->n_rpadding) { | |
| STRINGLIB_FILL(buf, fill_char, spec->n_rpadding); | |
| buf += spec->n_rpadding; | |
| } | |
| } | |
| static char no_grouping[1] = {CHAR_MAX}; | |
| /* Find the decimal point character(s?), thousands_separator(s?), and | |
| grouping description, either for the current locale if type is | |
| LT_CURRENT_LOCALE, a hard-coded locale if LT_DEFAULT_LOCALE, or | |
| none if LT_NO_LOCALE. */ | |
| static void | |
| get_locale_info(int type, LocaleInfo *locale_info) | |
| { | |
| switch (type) { | |
| case LT_CURRENT_LOCALE: { | |
| struct lconv *locale_data = localeconv(); | |
| locale_info->decimal_point = locale_data->decimal_point; | |
| locale_info->thousands_sep = locale_data->thousands_sep; | |
| locale_info->grouping = locale_data->grouping; | |
| break; | |
| } | |
| case LT_DEFAULT_LOCALE: | |
| locale_info->decimal_point = "."; | |
| locale_info->thousands_sep = ","; | |
| locale_info->grouping = "\3"; /* Group every 3 characters. The | |
| (implicit) trailing 0 means repeat | |
| infinitely. */ | |
| break; | |
| case LT_NO_LOCALE: | |
| locale_info->decimal_point = "."; | |
| locale_info->thousands_sep = ""; | |
| locale_info->grouping = no_grouping; | |
| break; | |
| default: | |
| assert(0); | |
| } | |
| } | |
| #endif /* FORMAT_FLOAT || FORMAT_LONG || FORMAT_COMPLEX */ | |
| /************************************************************************/ | |
| /*********** string formatting ******************************************/ | |
| /************************************************************************/ | |
| static PyObject * | |
| format_string_internal(PyObject *value, const InternalFormatSpec *format) | |
| { | |
| Py_ssize_t lpad; | |
| Py_ssize_t rpad; | |
| Py_ssize_t total; | |
| STRINGLIB_CHAR *p; | |
| Py_ssize_t len = STRINGLIB_LEN(value); | |
| PyObject *result = NULL; | |
| /* sign is not allowed on strings */ | |
| if (format->sign != '\0') { | |
| PyErr_SetString(PyExc_ValueError, | |
| "Sign not allowed in string format specifier"); | |
| goto done; | |
| } | |
| /* alternate is not allowed on strings */ | |
| if (format->alternate) { | |
| PyErr_SetString(PyExc_ValueError, | |
| "Alternate form (#) not allowed in string format " | |
| "specifier"); | |
| goto done; | |
| } | |
| /* '=' alignment not allowed on strings */ | |
| if (format->align == '=') { | |
| PyErr_SetString(PyExc_ValueError, | |
| "'=' alignment not allowed " | |
| "in string format specifier"); | |
| goto done; | |
| } | |
| /* if precision is specified, output no more that format.precision | |
| characters */ | |
| if (format->precision >= 0 && len >= format->precision) { | |
| len = format->precision; | |
| } | |
| calc_padding(len, format->width, format->align, &lpad, &rpad, &total); | |
| /* allocate the resulting string */ | |
| result = STRINGLIB_NEW(NULL, total); | |
| if (result == NULL) | |
| goto done; | |
| /* Write into that space. First the padding. */ | |
| p = fill_padding(STRINGLIB_STR(result), len, | |
| format->fill_char=='\0'?' ':format->fill_char, | |
| lpad, rpad); | |
| /* Then the source string. */ | |
| memcpy(p, STRINGLIB_STR(value), len * sizeof(STRINGLIB_CHAR)); | |
| done: | |
| return result; | |
| } | |
| /************************************************************************/ | |
| /*********** long formatting ********************************************/ | |
| /************************************************************************/ | |
| #if defined FORMAT_LONG || defined FORMAT_INT | |
| typedef PyObject* | |
| (*IntOrLongToString)(PyObject *value, int base); | |
| static PyObject * | |
| format_int_or_long_internal(PyObject *value, const InternalFormatSpec *format, | |
| IntOrLongToString tostring) | |
| { | |
| PyObject *result = NULL; | |
| PyObject *tmp = NULL; | |
| STRINGLIB_CHAR *pnumeric_chars; | |
| STRINGLIB_CHAR numeric_char; | |
| STRINGLIB_CHAR sign_char = '\0'; | |
| Py_ssize_t n_digits; /* count of digits need from the computed | |
| string */ | |
| Py_ssize_t n_remainder = 0; /* Used only for 'c' formatting, which | |
| produces non-digits */ | |
| Py_ssize_t n_prefix = 0; /* Count of prefix chars, (e.g., '0x') */ | |
| Py_ssize_t n_total; | |
| STRINGLIB_CHAR *prefix = NULL; | |
| NumberFieldWidths spec; | |
| long x; | |
| /* Locale settings, either from the actual locale or | |
| from a hard-code pseudo-locale */ | |
| LocaleInfo locale; | |
| /* no precision allowed on integers */ | |
| if (format->precision != -1) { | |
| PyErr_SetString(PyExc_ValueError, | |
| "Precision not allowed in integer format specifier"); | |
| goto done; | |
| } | |
| /* special case for character formatting */ | |
| if (format->type == 'c') { | |
| /* error to specify a sign */ | |
| if (format->sign != '\0') { | |
| PyErr_SetString(PyExc_ValueError, | |
| "Sign not allowed with integer" | |
| " format specifier 'c'"); | |
| goto done; | |
| } | |
| /* Error to specify a comma. */ | |
| if (format->thousands_separators) { | |
| PyErr_SetString(PyExc_ValueError, | |
| "Thousands separators not allowed with integer" | |
| " format specifier 'c'"); | |
| goto done; | |
| } | |
| /* taken from unicodeobject.c formatchar() */ | |
| /* Integer input truncated to a character */ | |
| /* XXX: won't work for int */ | |
| x = PyLong_AsLong(value); | |
| if (x == -1 && PyErr_Occurred()) | |
| goto done; | |
| #ifdef Py_UNICODE_WIDE | |
| if (x < 0 || x > 0x10ffff) { | |
| PyErr_SetString(PyExc_OverflowError, | |
| "%c arg not in range(0x110000) " | |
| "(wide Python build)"); | |
| goto done; | |
| } | |
| #else | |
| if (x < 0 || x > 0xffff) { | |
| PyErr_SetString(PyExc_OverflowError, | |
| "%c arg not in range(0x10000) " | |
| "(narrow Python build)"); | |
| goto done; | |
| } | |
| #endif | |
| numeric_char = (STRINGLIB_CHAR)x; | |
| pnumeric_chars = &numeric_char; | |
| n_digits = 1; | |
| /* As a sort-of hack, we tell calc_number_widths that we only | |
| have "remainder" characters. calc_number_widths thinks | |
| these are characters that don't get formatted, only copied | |
| into the output string. We do this for 'c' formatting, | |
| because the characters are likely to be non-digits. */ | |
| n_remainder = 1; | |
| } | |
| else { | |
| int base; | |
| int leading_chars_to_skip = 0; /* Number of characters added by | |
| PyNumber_ToBase that we want to | |
| skip over. */ | |
| /* Compute the base and how many characters will be added by | |
| PyNumber_ToBase */ | |
| switch (format->type) { | |
| case 'b': | |
| base = 2; | |
| leading_chars_to_skip = 2; /* 0b */ | |
| break; | |
| case 'o': | |
| base = 8; | |
| leading_chars_to_skip = 2; /* 0o */ | |
| break; | |
| case 'x': | |
| case 'X': | |
| base = 16; | |
| leading_chars_to_skip = 2; /* 0x */ | |
| break; | |
| default: /* shouldn't be needed, but stops a compiler warning */ | |
| case 'd': | |
| case 'n': | |
| base = 10; | |
| break; | |
| } | |
| /* The number of prefix chars is the same as the leading | |
| chars to skip */ | |
| if (format->alternate) | |
| n_prefix = leading_chars_to_skip; | |
| /* Do the hard part, converting to a string in a given base */ | |
| tmp = tostring(value, base); | |
| if (tmp == NULL) | |
| goto done; | |
| pnumeric_chars = STRINGLIB_STR(tmp); | |
| n_digits = STRINGLIB_LEN(tmp); | |
| prefix = pnumeric_chars; | |
| /* Remember not to modify what pnumeric_chars points to. it | |
| might be interned. Only modify it after we copy it into a | |
| newly allocated output buffer. */ | |
| /* Is a sign character present in the output? If so, remember it | |
| and skip it */ | |
| if (pnumeric_chars[0] == '-') { | |
| sign_char = pnumeric_chars[0]; | |
| ++prefix; | |
| ++leading_chars_to_skip; | |
| } | |
| /* Skip over the leading chars (0x, 0b, etc.) */ | |
| n_digits -= leading_chars_to_skip; | |
| pnumeric_chars += leading_chars_to_skip; | |
| } | |
| /* Determine the grouping, separator, and decimal point, if any. */ | |
| get_locale_info(format->type == 'n' ? LT_CURRENT_LOCALE : | |
| (format->thousands_separators ? | |
| LT_DEFAULT_LOCALE : | |
| LT_NO_LOCALE), | |
| &locale); | |
| /* Calculate how much memory we'll need. */ | |
| n_total = calc_number_widths(&spec, n_prefix, sign_char, pnumeric_chars, | |
| n_digits, n_remainder, 0, &locale, format); | |
| /* Allocate the memory. */ | |
| result = STRINGLIB_NEW(NULL, n_total); | |
| if (!result) | |
| goto done; | |
| /* Populate the memory. */ | |
| fill_number(STRINGLIB_STR(result), &spec, pnumeric_chars, n_digits, | |
| prefix, format->fill_char == '\0' ? ' ' : format->fill_char, | |
| &locale, format->type == 'X'); | |
| done: | |
| Py_XDECREF(tmp); | |
| return result; | |
| } | |
| #endif /* defined FORMAT_LONG || defined FORMAT_INT */ | |
| /************************************************************************/ | |
| /*********** float formatting *******************************************/ | |
| /************************************************************************/ | |
| #ifdef FORMAT_FLOAT | |
| #if STRINGLIB_IS_UNICODE | |
| static void | |
| strtounicode(Py_UNICODE *buffer, const char *charbuffer, Py_ssize_t len) | |
| { | |
| Py_ssize_t i; | |
| for (i = 0; i < len; ++i) | |
| buffer[i] = (Py_UNICODE)charbuffer[i]; | |
| } | |
| #endif | |
| /* much of this is taken from unicodeobject.c */ | |
| static PyObject * | |
| format_float_internal(PyObject *value, | |
| const InternalFormatSpec *format) | |
| { | |
| char *buf = NULL; /* buffer returned from PyOS_double_to_string */ | |
| Py_ssize_t n_digits; | |
| Py_ssize_t n_remainder; | |
| Py_ssize_t n_total; | |
| int has_decimal; | |
| double val; | |
| Py_ssize_t precision = format->precision; | |
| Py_ssize_t default_precision = 6; | |
| STRINGLIB_CHAR type = format->type; | |
| int add_pct = 0; | |
| STRINGLIB_CHAR *p; | |
| NumberFieldWidths spec; | |
| int flags = 0; | |
| PyObject *result = NULL; | |
| STRINGLIB_CHAR sign_char = '\0'; | |
| int float_type; /* Used to see if we have a nan, inf, or regular float. */ | |
| #if STRINGLIB_IS_UNICODE | |
| Py_UNICODE *unicode_tmp = NULL; | |
| #endif | |
| /* Locale settings, either from the actual locale or | |
| from a hard-code pseudo-locale */ | |
| LocaleInfo locale; | |
| /* Alternate is not allowed on floats. */ | |
| if (format->alternate) { | |
| PyErr_SetString(PyExc_ValueError, | |
| "Alternate form (#) not allowed in float format " | |
| "specifier"); | |
| goto done; | |
| } | |
| if (type == '\0') { | |
| /* Omitted type specifier. This is like 'g' but with at least one | |
| digit after the decimal point, and different default precision.*/ | |
| type = 'g'; | |
| default_precision = PyFloat_STR_PRECISION; | |
| flags |= Py_DTSF_ADD_DOT_0; | |
| } | |
| if (type == 'n') | |
| /* 'n' is the same as 'g', except for the locale used to | |
| format the result. We take care of that later. */ | |
| type = 'g'; | |
| val = PyFloat_AsDouble(value); | |
| if (val == -1.0 && PyErr_Occurred()) | |
| goto done; | |
| if (type == '%') { | |
| type = 'f'; | |
| val *= 100; | |
| add_pct = 1; | |
| } | |
| if (precision < 0) | |
| precision = default_precision; | |
| /* Cast "type", because if we're in unicode we need to pass a | |
| 8-bit char. This is safe, because we've restricted what "type" | |
| can be. */ | |
| buf = PyOS_double_to_string(val, (char)type, precision, flags, | |
| &float_type); | |
| if (buf == NULL) | |
| goto done; | |
| n_digits = strlen(buf); | |
| if (add_pct) { | |
| /* We know that buf has a trailing zero (since we just called | |
| strlen() on it), and we don't use that fact any more. So we | |
| can just write over the trailing zero. */ | |
| buf[n_digits] = '%'; | |
| n_digits += 1; | |
| } | |
| /* Since there is no unicode version of PyOS_double_to_string, | |
| just use the 8 bit version and then convert to unicode. */ | |
| #if STRINGLIB_IS_UNICODE | |
| unicode_tmp = (Py_UNICODE*)PyMem_Malloc((n_digits)*sizeof(Py_UNICODE)); | |
| if (unicode_tmp == NULL) { | |
| PyErr_NoMemory(); | |
| goto done; | |
| } | |
| strtounicode(unicode_tmp, buf, n_digits); | |
| p = unicode_tmp; | |
| #else | |
| p = buf; | |
| #endif | |
| /* Is a sign character present in the output? If so, remember it | |
| and skip it */ | |
| if (*p == '-') { | |
| sign_char = *p; | |
| ++p; | |
| --n_digits; | |
| } | |
| /* Determine if we have any "remainder" (after the digits, might include | |
| decimal or exponent or both (or neither)) */ | |
| parse_number(p, n_digits, &n_remainder, &has_decimal); | |
| /* Determine the grouping, separator, and decimal point, if any. */ | |
| get_locale_info(format->type == 'n' ? LT_CURRENT_LOCALE : | |
| (format->thousands_separators ? | |
| LT_DEFAULT_LOCALE : | |
| LT_NO_LOCALE), | |
| &locale); | |
| /* Calculate how much memory we'll need. */ | |
| n_total = calc_number_widths(&spec, 0, sign_char, p, n_digits, | |
| n_remainder, has_decimal, &locale, format); | |
| /* Allocate the memory. */ | |
| result = STRINGLIB_NEW(NULL, n_total); | |
| if (result == NULL) | |
| goto done; | |
| /* Populate the memory. */ | |
| fill_number(STRINGLIB_STR(result), &spec, p, n_digits, NULL, | |
| format->fill_char == '\0' ? ' ' : format->fill_char, &locale, | |
| 0); | |
| done: | |
| PyMem_Free(buf); | |
| #if STRINGLIB_IS_UNICODE | |
| PyMem_Free(unicode_tmp); | |
| #endif | |
| return result; | |
| } | |
| #endif /* FORMAT_FLOAT */ | |
| /************************************************************************/ | |
| /*********** complex formatting *****************************************/ | |
| /************************************************************************/ | |
| #ifdef FORMAT_COMPLEX | |
| static PyObject * | |
| format_complex_internal(PyObject *value, | |
| const InternalFormatSpec *format) | |
| { | |
| double re; | |
| double im; | |
| char *re_buf = NULL; /* buffer returned from PyOS_double_to_string */ | |
| char *im_buf = NULL; /* buffer returned from PyOS_double_to_string */ | |
| InternalFormatSpec tmp_format = *format; | |
| Py_ssize_t n_re_digits; | |
| Py_ssize_t n_im_digits; | |
| Py_ssize_t n_re_remainder; | |
| Py_ssize_t n_im_remainder; | |
| Py_ssize_t n_re_total; | |
| Py_ssize_t n_im_total; | |
| int re_has_decimal; | |
| int im_has_decimal; | |
| Py_ssize_t precision = format->precision; | |
| Py_ssize_t default_precision = 6; | |
| STRINGLIB_CHAR type = format->type; | |
| STRINGLIB_CHAR *p_re; | |
| STRINGLIB_CHAR *p_im; | |
| NumberFieldWidths re_spec; | |
| NumberFieldWidths im_spec; | |
| int flags = 0; | |
| PyObject *result = NULL; | |
| STRINGLIB_CHAR *p; | |
| STRINGLIB_CHAR re_sign_char = '\0'; | |
| STRINGLIB_CHAR im_sign_char = '\0'; | |
| int re_float_type; /* Used to see if we have a nan, inf, or regular float. */ | |
| int im_float_type; | |
| int add_parens = 0; | |
| int skip_re = 0; | |
| Py_ssize_t lpad; | |
| Py_ssize_t rpad; | |
| Py_ssize_t total; | |
| #if STRINGLIB_IS_UNICODE | |
| Py_UNICODE *re_unicode_tmp = NULL; | |
| Py_UNICODE *im_unicode_tmp = NULL; | |
| #endif | |
| /* Locale settings, either from the actual locale or | |
| from a hard-code pseudo-locale */ | |
| LocaleInfo locale; | |
| /* Alternate is not allowed on complex. */ | |
| if (format->alternate) { | |
| PyErr_SetString(PyExc_ValueError, | |
| "Alternate form (#) not allowed in complex format " | |
| "specifier"); | |
| goto done; | |
| } | |
| /* Neither is zero pading. */ | |
| if (format->fill_char == '0') { | |
| PyErr_SetString(PyExc_ValueError, | |
| "Zero padding is not allowed in complex format " | |
| "specifier"); | |
| goto done; | |
| } | |
| /* Neither is '=' alignment . */ | |
| if (format->align == '=') { | |
| PyErr_SetString(PyExc_ValueError, | |
| "'=' alignment flag is not allowed in complex format " | |
| "specifier"); | |
| goto done; | |
| } | |
| re = PyComplex_RealAsDouble(value); | |
| if (re == -1.0 && PyErr_Occurred()) | |
| goto done; | |
| im = PyComplex_ImagAsDouble(value); | |
| if (im == -1.0 && PyErr_Occurred()) | |
| goto done; | |
| if (type == '\0') { | |
| /* Omitted type specifier. Should be like str(self). */ | |
| type = 'g'; | |
| default_precision = PyFloat_STR_PRECISION; | |
| if (re == 0.0 && copysign(1.0, re) == 1.0) | |
| skip_re = 1; | |
| else | |
| add_parens = 1; | |
| } | |
| if (type == 'n') | |
| /* 'n' is the same as 'g', except for the locale used to | |
| format the result. We take care of that later. */ | |
| type = 'g'; | |
| if (precision < 0) | |
| precision = default_precision; | |
| /* Cast "type", because if we're in unicode we need to pass a | |
| 8-bit char. This is safe, because we've restricted what "type" | |
| can be. */ | |
| re_buf = PyOS_double_to_string(re, (char)type, precision, flags, | |
| &re_float_type); | |
| if (re_buf == NULL) | |
| goto done; | |
| im_buf = PyOS_double_to_string(im, (char)type, precision, flags, | |
| &im_float_type); | |
| if (im_buf == NULL) | |
| goto done; | |
| n_re_digits = strlen(re_buf); | |
| n_im_digits = strlen(im_buf); | |
| /* Since there is no unicode version of PyOS_double_to_string, | |
| just use the 8 bit version and then convert to unicode. */ | |
| #if STRINGLIB_IS_UNICODE | |
| re_unicode_tmp = (Py_UNICODE*)PyMem_Malloc((n_re_digits)*sizeof(Py_UNICODE)); | |
| if (re_unicode_tmp == NULL) { | |
| PyErr_NoMemory(); | |
| goto done; | |
| } | |
| strtounicode(re_unicode_tmp, re_buf, n_re_digits); | |
| p_re = re_unicode_tmp; | |
| im_unicode_tmp = (Py_UNICODE*)PyMem_Malloc((n_im_digits)*sizeof(Py_UNICODE)); | |
| if (im_unicode_tmp == NULL) { | |
| PyErr_NoMemory(); | |
| goto done; | |
| } | |
| strtounicode(im_unicode_tmp, im_buf, n_im_digits); | |
| p_im = im_unicode_tmp; | |
| #else | |
| p_re = re_buf; | |
| p_im = im_buf; | |
| #endif | |
| /* Is a sign character present in the output? If so, remember it | |
| and skip it */ | |
| if (*p_re == '-') { | |
| re_sign_char = *p_re; | |
| ++p_re; | |
| --n_re_digits; | |
| } | |
| if (*p_im == '-') { | |
| im_sign_char = *p_im; | |
| ++p_im; | |
| --n_im_digits; | |
| } | |
| /* Determine if we have any "remainder" (after the digits, might include | |
| decimal or exponent or both (or neither)) */ | |
| parse_number(p_re, n_re_digits, &n_re_remainder, &re_has_decimal); | |
| parse_number(p_im, n_im_digits, &n_im_remainder, &im_has_decimal); | |
| /* Determine the grouping, separator, and decimal point, if any. */ | |
| get_locale_info(format->type == 'n' ? LT_CURRENT_LOCALE : | |
| (format->thousands_separators ? | |
| LT_DEFAULT_LOCALE : | |
| LT_NO_LOCALE), | |
| &locale); | |
| /* Turn off any padding. We'll do it later after we've composed | |
| the numbers without padding. */ | |
| tmp_format.fill_char = '\0'; | |
| tmp_format.align = '<'; | |
| tmp_format.width = -1; | |
| /* Calculate how much memory we'll need. */ | |
| n_re_total = calc_number_widths(&re_spec, 0, re_sign_char, p_re, | |
| n_re_digits, n_re_remainder, | |
| re_has_decimal, &locale, &tmp_format); | |
| /* Same formatting, but always include a sign, unless the real part is | |
| * going to be omitted, in which case we use whatever sign convention was | |
| * requested by the original format. */ | |
| if (!skip_re) | |
| tmp_format.sign = '+'; | |
| n_im_total = calc_number_widths(&im_spec, 0, im_sign_char, p_im, | |
| n_im_digits, n_im_remainder, | |
| im_has_decimal, &locale, &tmp_format); | |
| if (skip_re) | |
| n_re_total = 0; | |
| /* Add 1 for the 'j', and optionally 2 for parens. */ | |
| calc_padding(n_re_total + n_im_total + 1 + add_parens * 2, | |
| format->width, format->align, &lpad, &rpad, &total); | |
| result = STRINGLIB_NEW(NULL, total); | |
| if (result == NULL) | |
| goto done; | |
| /* Populate the memory. First, the padding. */ | |
| p = fill_padding(STRINGLIB_STR(result), | |
| n_re_total + n_im_total + 1 + add_parens * 2, | |
| format->fill_char=='\0' ? ' ' : format->fill_char, | |
| lpad, rpad); | |
| if (add_parens) | |
| *p++ = '('; | |
| if (!skip_re) { | |
| fill_number(p, &re_spec, p_re, n_re_digits, NULL, 0, &locale, 0); | |
| p += n_re_total; | |
| } | |
| fill_number(p, &im_spec, p_im, n_im_digits, NULL, 0, &locale, 0); | |
| p += n_im_total; | |
| *p++ = 'j'; | |
| if (add_parens) | |
| *p++ = ')'; | |
| done: | |
| PyMem_Free(re_buf); | |
| PyMem_Free(im_buf); | |
| #if STRINGLIB_IS_UNICODE | |
| PyMem_Free(re_unicode_tmp); | |
| PyMem_Free(im_unicode_tmp); | |
| #endif | |
| return result; | |
| } | |
| #endif /* FORMAT_COMPLEX */ | |
| /************************************************************************/ | |
| /*********** built in formatters ****************************************/ | |
| /************************************************************************/ | |
| PyObject * | |
| FORMAT_STRING(PyObject *obj, | |
| STRINGLIB_CHAR *format_spec, | |
| Py_ssize_t format_spec_len) | |
| { | |
| InternalFormatSpec format; | |
| PyObject *result = NULL; | |
| /* check for the special case of zero length format spec, make | |
| it equivalent to str(obj) */ | |
| if (format_spec_len == 0) { | |
| result = STRINGLIB_TOSTR(obj); | |
| goto done; | |
| } | |
| /* parse the format_spec */ | |
| if (!parse_internal_render_format_spec(format_spec, format_spec_len, | |
| &format, 's', '<')) | |
| goto done; | |
| /* type conversion? */ | |
| switch (format.type) { | |
| case 's': | |
| /* no type conversion needed, already a string. do the formatting */ | |
| result = format_string_internal(obj, &format); | |
| break; | |
| default: | |
| /* unknown */ | |
| unknown_presentation_type(format.type, obj->ob_type->tp_name); | |
| goto done; | |
| } | |
| done: | |
| return result; | |
| } | |
| #if defined FORMAT_LONG || defined FORMAT_INT | |
| static PyObject* | |
| format_int_or_long(PyObject* obj, | |
| STRINGLIB_CHAR *format_spec, | |
| Py_ssize_t format_spec_len, | |
| IntOrLongToString tostring) | |
| { | |
| PyObject *result = NULL; | |
| PyObject *tmp = NULL; | |
| InternalFormatSpec format; | |
| /* check for the special case of zero length format spec, make | |
| it equivalent to str(obj) */ | |
| if (format_spec_len == 0) { | |
| result = STRINGLIB_TOSTR(obj); | |
| goto done; | |
| } | |
| /* parse the format_spec */ | |
| if (!parse_internal_render_format_spec(format_spec, | |
| format_spec_len, | |
| &format, 'd', '>')) | |
| goto done; | |
| /* type conversion? */ | |
| switch (format.type) { | |
| case 'b': | |
| case 'c': | |
| case 'd': | |
| case 'o': | |
| case 'x': | |
| case 'X': | |
| case 'n': | |
| /* no type conversion needed, already an int (or long). do | |
| the formatting */ | |
| result = format_int_or_long_internal(obj, &format, tostring); | |
| break; | |
| case 'e': | |
| case 'E': | |
| case 'f': | |
| case 'F': | |
| case 'g': | |
| case 'G': | |
| case '%': | |
| /* convert to float */ | |
| tmp = PyNumber_Float(obj); | |
| if (tmp == NULL) | |
| goto done; | |
| result = format_float_internal(tmp, &format); | |
| break; | |
| default: | |
| /* unknown */ | |
| unknown_presentation_type(format.type, obj->ob_type->tp_name); | |
| goto done; | |
| } | |
| done: | |
| Py_XDECREF(tmp); | |
| return result; | |
| } | |
| #endif /* FORMAT_LONG || defined FORMAT_INT */ | |
| #ifdef FORMAT_LONG | |
| /* Need to define long_format as a function that will convert a long | |
| to a string. In 3.0, _PyLong_Format has the correct signature. In | |
| 2.x, we need to fudge a few parameters */ | |
| #if PY_VERSION_HEX >= 0x03000000 | |
| #define long_format _PyLong_Format | |
| #else | |
| static PyObject* | |
| long_format(PyObject* value, int base) | |
| { | |
| /* Convert to base, don't add trailing 'L', and use the new octal | |
| format. We already know this is a long object */ | |
| assert(PyLong_Check(value)); | |
| /* convert to base, don't add 'L', and use the new octal format */ | |
| return _PyLong_Format(value, base, 0, 1); | |
| } | |
| #endif | |
| PyObject * | |
| FORMAT_LONG(PyObject *obj, | |
| STRINGLIB_CHAR *format_spec, | |
| Py_ssize_t format_spec_len) | |
| { | |
| return format_int_or_long(obj, format_spec, format_spec_len, | |
| long_format); | |
| } | |
| #endif /* FORMAT_LONG */ | |
| #ifdef FORMAT_INT | |
| /* this is only used for 2.x, not 3.0 */ | |
| static PyObject* | |
| int_format(PyObject* value, int base) | |
| { | |
| /* Convert to base, and use the new octal format. We already | |
| know this is an int object */ | |
| assert(PyInt_Check(value)); | |
| return _PyInt_Format((PyIntObject*)value, base, 1); | |
| } | |
| PyObject * | |
| FORMAT_INT(PyObject *obj, | |
| STRINGLIB_CHAR *format_spec, | |
| Py_ssize_t format_spec_len) | |
| { | |
| return format_int_or_long(obj, format_spec, format_spec_len, | |
| int_format); | |
| } | |
| #endif /* FORMAT_INT */ | |
| #ifdef FORMAT_FLOAT | |
| PyObject * | |
| FORMAT_FLOAT(PyObject *obj, | |
| STRINGLIB_CHAR *format_spec, | |
| Py_ssize_t format_spec_len) | |
| { | |
| PyObject *result = NULL; | |
| InternalFormatSpec format; | |
| /* check for the special case of zero length format spec, make | |
| it equivalent to str(obj) */ | |
| if (format_spec_len == 0) { | |
| result = STRINGLIB_TOSTR(obj); | |
| goto done; | |
| } | |
| /* parse the format_spec */ | |
| if (!parse_internal_render_format_spec(format_spec, | |
| format_spec_len, | |
| &format, '\0', '>')) | |
| goto done; | |
| /* type conversion? */ | |
| switch (format.type) { | |
| case '\0': /* No format code: like 'g', but with at least one decimal. */ | |
| case 'e': | |
| case 'E': | |
| case 'f': | |
| case 'F': | |
| case 'g': | |
| case 'G': | |
| case 'n': | |
| case '%': | |
| /* no conversion, already a float. do the formatting */ | |
| result = format_float_internal(obj, &format); | |
| break; | |
| default: | |
| /* unknown */ | |
| unknown_presentation_type(format.type, obj->ob_type->tp_name); | |
| goto done; | |
| } | |
| done: | |
| return result; | |
| } | |
| #endif /* FORMAT_FLOAT */ | |
| #ifdef FORMAT_COMPLEX | |
| PyObject * | |
| FORMAT_COMPLEX(PyObject *obj, | |
| STRINGLIB_CHAR *format_spec, | |
| Py_ssize_t format_spec_len) | |
| { | |
| PyObject *result = NULL; | |
| InternalFormatSpec format; | |
| /* check for the special case of zero length format spec, make | |
| it equivalent to str(obj) */ | |
| if (format_spec_len == 0) { | |
| result = STRINGLIB_TOSTR(obj); | |
| goto done; | |
| } | |
| /* parse the format_spec */ | |
| if (!parse_internal_render_format_spec(format_spec, | |
| format_spec_len, | |
| &format, '\0', '>')) | |
| goto done; | |
| /* type conversion? */ | |
| switch (format.type) { | |
| case '\0': /* No format code: like 'g', but with at least one decimal. */ | |
| case 'e': | |
| case 'E': | |
| case 'f': | |
| case 'F': | |
| case 'g': | |
| case 'G': | |
| case 'n': | |
| /* no conversion, already a complex. do the formatting */ | |
| result = format_complex_internal(obj, &format); | |
| break; | |
| default: | |
| /* unknown */ | |
| unknown_presentation_type(format.type, obj->ob_type->tp_name); | |
| goto done; | |
| } | |
| done: | |
| return result; | |
| } | |
| #endif /* FORMAT_COMPLEX */ |