From: Andrea Zagli Date: Sat, 5 Dec 2015 14:06:01 +0000 (+0100) Subject: Added some generic functions: X-Git-Tag: v0.0.1~14 X-Git-Url: https://saetta.ns0.it/gitweb?a=commitdiff_plain;h=4d3c2cf74ca5ea7be033de2fb2050f577420e3a5;p=libzakutils Added some generic functions: - round - gstring_initial_capital - compare_version - gvalue_new_int - gvaule_new_string - gvalue_new_boolean - gvalue_new_float --- diff --git a/src/Makefile.am b/src/Makefile.am index 449d99e..e12b89d 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -6,11 +6,13 @@ AM_CPPFLAGS = $(ZAKUTILS_CFLAGS) \ lib_LTLIBRARIES = libzakutils.la -libzakutils_la_SOURCES = +libzakutils_la_SOURCES = \ + generic.c libzakutils_la_LDFLAGS = -no-undefined libzakutils_include_HEADERS = \ - libzakutils.h + libzakutils.h \ + generic.h libzakutils_includedir = $(includedir)/libzakutils diff --git a/src/generic.c b/src/generic.c new file mode 100644 index 0000000..51947e9 --- /dev/null +++ b/src/generic.c @@ -0,0 +1,244 @@ +/* + * Copyright (C) 2015 Andrea Zagli + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifdef HAVE_CONFIG_H + #include +#endif + +#include +#include + +#include "generic.h" + +/** + * zak_utils_round: + * @value: + * @n_decimals: + * + */ +gdouble +zak_utils_round (gdouble value, guint n_decimals) +{ + gfloat elev; + gint i; + gfloat ret; + + elev = pow (10.0, (gfloat)n_decimals); + + ret = (value * elev) + 0.5; + i = (gint)ret; + + ret = (gfloat)i / elev; + + return ret; +} + +/** + * zak_utils_gstring_initial_capital: + * @gstring: + * + */ +void +zak_utils_gstring_initial_capital (GString *gstring) +{ + const gchar *cutf8; + + GString *tmp; + gboolean first; + gunichar c; + + g_return_if_fail (gstring != NULL); + g_return_if_fail (gstring->str != NULL); + g_return_if_fail (g_utf8_validate (gstring->str, -1, NULL)); + + tmp = g_string_new (""); + first = TRUE; + + cutf8 = gstring->str; + while (*cutf8) + { + c = g_utf8_get_char (cutf8); + if (!g_unichar_isalpha (c)) + { + first = TRUE; + g_string_append_unichar (tmp, c); + } + else if (first) + { + first = FALSE; + g_string_append_unichar (tmp, g_unichar_toupper (c)); + } + else + { + g_string_append_unichar (tmp, g_unichar_tolower (c)); + } + cutf8 = g_utf8_next_char (cutf8); + } + + g_string_assign (gstring, tmp->str); + g_string_free (tmp, TRUE); +} + +/** + * zak_utils_compare_version: + * @ver1: + * @ver2: + * @delimiters: + * @part: + * + */ +int +zak_utils_compare_version (const gchar *ver1, const gchar *ver2, const gchar *delimiters, guint *part) +{ + gchar **_ver1; + gchar **_ver2; + + gchar *_delimiters; + + guint i; + guint l; + + if (ver1 == NULL) + { + return -1; + } + if (ver2 == NULL) + { + return 1; + } + + if (delimiters == NULL) + { + _delimiters = g_strdup ("."); + } + else + { + _delimiters = g_strstrip (g_strdup (delimiters)); + if (g_strcmp0 (_delimiters, "") == 0) + { + g_free (_delimiters); + _delimiters = g_strdup ("."); + } + } + + _ver1 = g_strsplit (g_strstrip (g_strdup (ver1)), _delimiters, -1); + _ver2 = g_strsplit (g_strstrip (g_strdup (ver2)), _delimiters, -1); + + l = MIN (g_strv_length (_ver1), g_strv_length (_ver2)); + for (i = 0; i < l; i++) + { + if (strtol (_ver1[i], NULL, 10) < strtol (_ver2[i], NULL, 10)) + { + if (part != NULL) + { + *part = i; + } + return -1; + } + else if (strtol (_ver1[i], NULL, 10) > strtol (_ver2[i], NULL, 10)) + { + if (part != NULL) + { + *part = i; + } + return 1; + } + } + + if (g_strv_length (_ver1) < g_strv_length (_ver2)) + { + *part = g_strv_length (_ver1) + 1; + return -1; + } + else if (g_strv_length (_ver1) > g_strv_length (_ver2)) + { + *part = g_strv_length (_ver2) + 1; + return 1; + } + + *part = 0; + return 0; +} + +/** + * zak_utils_gvalue_new_int: + * @i: + * + */ +GValue +*zak_utils_gvalue_new_int (int i) +{ + GValue *gval; + + gval = g_new0 (GValue, 1); + g_value_init (gval, G_TYPE_INT); + g_value_set_int (gval, i); + + return gval; +} + +/** + * zak_utils_gvalue_new_string: + * @str: + * + */ +GValue +*zak_utils_gvalue_new_string (const gchar *str) +{ + GValue *gval; + + gval = g_new0 (GValue, 1); + g_value_init (gval, G_TYPE_STRING); + g_value_set_string (gval, str); + + return gval; +} + +/** + * zak_utils_gvalue_new_boolean: + * @b: + * + */ +GValue +*zak_utils_gvalue_new_boolean (gboolean b) +{ + GValue *gval; + + gval = g_new0 (GValue, 1); + g_value_init (gval, G_TYPE_BOOLEAN); + g_value_set_boolean (gval, b); + + return gval; +} + +/** + * zak_utils_gvalue_new_float: + * @f: + * + */ +GValue +*zak_utils_gvalue_new_float (gfloat f) +{ + GValue *gval; + + gval = g_new0 (GValue, 1); + g_value_init (gval, G_TYPE_FLOAT); + g_value_set_float (gval, f); + + return gval; +} diff --git a/src/generic.h b/src/generic.h new file mode 100644 index 0000000..4163aab --- /dev/null +++ b/src/generic.h @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2015 Andrea Zagli + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __ZAK_UTILS_H__ +#define __ZAK_UTILS_H__ + + +#include +#include + + +G_BEGIN_DECLS + + +gdouble zak_utils_round (gdouble value, guint n_decimals); + +void zak_utils_gstring_initial_capital (GString *gstring); + +int zak_utils_compare_version (const gchar *ver1, const gchar *ver2, const gchar *delimiters, guint *part); + +GValue *zak_utils_gvalue_new_int (int i); +GValue *zak_utils_gvalue_new_string (const gchar *str); +GValue *zak_utils_gvalue_new_boolean (gboolean b); +GValue *zak_utils_gvalue_new_float (gfloat f); + + +G_END_DECLS + + +#endif /* __ZAK_UTILS_H__ */ diff --git a/src/libzakutils.h b/src/libzakutils.h index b9389de..c1410ff 100644 --- a/src/libzakutils.h +++ b/src/libzakutils.h @@ -20,6 +20,7 @@ #define __LIBZAKUTILS_H__ +#include #endif /* __LIBZAKUTILS_H__ */