| /* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */ |
| |
| /* libcroco - Library for parsing and applying CSS |
| * Copyright (C) 2006-2019 Free Software Foundation, Inc. |
| * |
| * This file is not part of the GNU gettext program, but is used with |
| * GNU gettext. |
| * |
| * The original copyright notice is as follows: |
| */ |
| |
| /* |
| * This file is part of The Croco Library |
| * |
| * Copyright (C) 2003-2004 Dodji Seketeli. All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of version 2.1 of the GNU Lesser General Public |
| * License as published by the Free Software Foundation. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| * USA |
| * |
| * Author: Dodji Seketeli |
| */ |
| |
| /** |
| *@CRNum: |
| * |
| *The definition |
| *of the #CRNum class. |
| */ |
| |
| #include <config.h> |
| #include "cr-num.h" |
| #include "string.h" |
| |
| /** |
| * cr_num_new: |
| * |
| *#CRNum. |
| * |
| *Returns the newly built instance of |
| *#CRNum. |
| */ |
| CRNum * |
| cr_num_new (void) |
| { |
| CRNum *result = NULL; |
| |
| result = g_try_malloc (sizeof (CRNum)); |
| |
| if (result == NULL) { |
| cr_utils_trace_info ("Out of memory"); |
| return NULL; |
| } |
| |
| memset (result, 0, sizeof (CRNum)); |
| |
| return result; |
| } |
| |
| /** |
| * cr_num_new_with_val: |
| * @a_val: the numerical value of the number. |
| * @a_type: the type of number. |
| * |
| * A constructor of #CRNum. |
| * |
| * Returns the newly built instance of #CRNum or |
| * NULL if an error arises. |
| */ |
| CRNum * |
| cr_num_new_with_val (gdouble a_val, enum CRNumType a_type) |
| { |
| CRNum *result = NULL; |
| |
| result = cr_num_new (); |
| |
| g_return_val_if_fail (result, NULL); |
| |
| result->val = a_val; |
| result->type = a_type; |
| |
| return result; |
| } |
| |
| /** |
| * cr_num_to_string: |
| *@a_this: the current instance of #CRNum. |
| * |
| *Returns the newly built string representation |
| *of the current instance of #CRNum. The returned |
| *string is NULL terminated. The caller *must* |
| *free the returned string. |
| */ |
| guchar * |
| cr_num_to_string (CRNum const * a_this) |
| { |
| gdouble test_val = 0.0; |
| |
| guchar *tmp_char1 = NULL, |
| *tmp_char2 = NULL, |
| *result = NULL; |
| |
| g_return_val_if_fail (a_this, NULL); |
| |
| test_val = a_this->val - (glong) a_this->val; |
| |
| if (!test_val) { |
| tmp_char1 = (guchar *) g_strdup_printf ("%ld", (glong) a_this->val); |
| } else { |
| tmp_char1 = (guchar *) g_new0 (char, G_ASCII_DTOSTR_BUF_SIZE + 1); |
| if (tmp_char1 != NULL) |
| g_ascii_dtostr ((gchar *) tmp_char1, G_ASCII_DTOSTR_BUF_SIZE, a_this->val); |
| } |
| |
| g_return_val_if_fail (tmp_char1, NULL); |
| |
| switch (a_this->type) { |
| case NUM_LENGTH_EM: |
| tmp_char2 = (guchar *) "em"; |
| break; |
| |
| case NUM_LENGTH_EX: |
| tmp_char2 = (guchar *) "ex"; |
| break; |
| |
| case NUM_LENGTH_PX: |
| tmp_char2 = (guchar *) "px"; |
| break; |
| |
| case NUM_LENGTH_IN: |
| tmp_char2 = (guchar *) "in"; |
| break; |
| |
| case NUM_LENGTH_CM: |
| tmp_char2 = (guchar *) "cm"; |
| break; |
| |
| case NUM_LENGTH_MM: |
| tmp_char2 = (guchar *) "mm"; |
| break; |
| |
| case NUM_LENGTH_PT: |
| tmp_char2 = (guchar *) "pt"; |
| break; |
| |
| case NUM_LENGTH_PC: |
| tmp_char2 = (guchar *) "pc"; |
| break; |
| |
| case NUM_ANGLE_DEG: |
| tmp_char2 = (guchar *) "deg"; |
| break; |
| |
| case NUM_ANGLE_RAD: |
| tmp_char2 = (guchar *) "rad"; |
| break; |
| |
| case NUM_ANGLE_GRAD: |
| tmp_char2 = (guchar *) "grad"; |
| break; |
| |
| case NUM_TIME_MS: |
| tmp_char2 = (guchar *) "ms"; |
| break; |
| |
| case NUM_TIME_S: |
| tmp_char2 = (guchar *) "s"; |
| break; |
| |
| case NUM_FREQ_HZ: |
| tmp_char2 = (guchar *) "Hz"; |
| break; |
| |
| case NUM_FREQ_KHZ: |
| tmp_char2 = (guchar *) "KHz"; |
| break; |
| |
| case NUM_PERCENTAGE: |
| tmp_char2 = (guchar *) "%"; |
| break; |
| case NUM_INHERIT: |
| tmp_char2 = (guchar *) "inherit"; |
| break ; |
| case NUM_AUTO: |
| tmp_char2 = (guchar *) "auto"; |
| break ; |
| case NUM_GENERIC: |
| tmp_char2 = NULL ; |
| break ; |
| default: |
| tmp_char2 = (guchar *) "unknown"; |
| break; |
| } |
| |
| if (tmp_char2) { |
| result = (guchar *) g_strconcat ((gchar *) tmp_char1, tmp_char2, NULL); |
| g_free (tmp_char1); |
| } else { |
| result = tmp_char1; |
| } |
| |
| return result; |
| } |
| |
| /** |
| * cr_num_copy: |
| *@a_src: the instance of #CRNum to copy. |
| *Must be non NULL. |
| *@a_dest: the destination of the copy. |
| *Must be non NULL |
| * |
| *Copies an instance of #CRNum. |
| * |
| *Returns CR_OK upon successful completion, an |
| *error code otherwise. |
| */ |
| enum CRStatus |
| cr_num_copy (CRNum * a_dest, CRNum const * a_src) |
| { |
| g_return_val_if_fail (a_dest && a_src, CR_BAD_PARAM_ERROR); |
| |
| memcpy (a_dest, a_src, sizeof (CRNum)); |
| |
| return CR_OK; |
| } |
| |
| /** |
| * cr_num_dup: |
| *@a_this: the instance of #CRNum to duplicate. |
| * |
| *Duplicates an instance of #CRNum |
| * |
| *Returns the newly created (duplicated) instance of #CRNum. |
| *Must be freed by cr_num_destroy(). |
| */ |
| CRNum * |
| cr_num_dup (CRNum const * a_this) |
| { |
| CRNum *result = NULL; |
| enum CRStatus status = CR_OK; |
| |
| g_return_val_if_fail (a_this, NULL); |
| |
| result = cr_num_new (); |
| g_return_val_if_fail (result, NULL); |
| |
| status = cr_num_copy (result, a_this); |
| g_return_val_if_fail (status == CR_OK, NULL); |
| |
| return result; |
| } |
| |
| /** |
| * cr_num_set: |
| *Sets an instance of #CRNum. |
| *@a_this: the current instance of #CRNum to be set. |
| *@a_val: the new numerical value to be hold by the current |
| *instance of #CRNum |
| *@a_type: the new type of #CRNum. |
| * |
| * Returns CR_OK upon succesful completion, an error code otherwise. |
| */ |
| enum CRStatus |
| cr_num_set (CRNum * a_this, gdouble a_val, enum CRNumType a_type) |
| { |
| g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); |
| |
| a_this->val = a_val; |
| a_this->type = a_type; |
| |
| return CR_OK; |
| } |
| |
| /** |
| * cr_num_is_fixed_length: |
| * @a_this: the current instance of #CRNum . |
| * |
| *Tests if the current instance of #CRNum is a fixed |
| *length value or not. Typically a fixed length value |
| *is anything from NUM_LENGTH_EM to NUM_LENGTH_PC. |
| *See the definition of #CRNumType to see what we mean. |
| * |
| *Returns TRUE if the instance of #CRNum is a fixed length number, |
| *FALSE otherwise. |
| */ |
| gboolean |
| cr_num_is_fixed_length (CRNum const * a_this) |
| { |
| gboolean result = FALSE; |
| |
| g_return_val_if_fail (a_this, FALSE); |
| |
| if (a_this->type >= NUM_LENGTH_EM |
| && a_this->type <= NUM_LENGTH_PC) { |
| result = TRUE ; |
| } |
| return result ; |
| } |
| |
| /** |
| * cr_num_destroy: |
| *@a_this: the this pointer of |
| *the current instance of #CRNum. |
| * |
| *The destructor of #CRNum. |
| */ |
| void |
| cr_num_destroy (CRNum * a_this) |
| { |
| g_return_if_fail (a_this); |
| |
| g_free (a_this); |
| } |