Adding upstream version 43.9.upstream/43.9upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 604 insertions, 0 deletions

diff --git a/src/st/croco/cr-rgb.c b/src/st/croco/cr-rgb.c
new file mode 100644
index 0000000..a2b478f
--- /dev/null
+++ b/src/st/croco/cr-rgb.c
@@ -0,0 +1,604 @@
+/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */
+
+/*
+ * This file is part of The Croco Library
+ *
+ * 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
+ * See COPYRIGHTS file for copyrights information.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "cr-rgb.h"
+#include "cr-term.h"
+#include "cr-parser.h"
+
+static const CRRgb gv_standard_colors[] = {
+        {(const guchar*)"aliceblue",   240, 248, 255, FALSE, {0,0,0}},
+        {(const guchar*)"antiquewhite",        250, 235, 215, FALSE, {0,0,0}},
+        {(const guchar*)"aqua",          0, 255, 255, FALSE, {0,0,0}},
+        {(const guchar*)"aquamarine",  127, 255, 212, FALSE, {0,0,0}},
+        {(const guchar*)"azure",       240, 255, 255, FALSE, {0,0,0}},
+        {(const guchar*)"beige",       245, 245, 220, FALSE, {0,0,0}},
+        {(const guchar*)"bisque",      255, 228, 196, FALSE, {0,0,0}},
+        {(const guchar*)"black",         0,   0,   0, FALSE, {0,0,0}},
+        {(const guchar*)"blanchedalmond",      255, 235, 205, FALSE, {0,0,0}},
+        {(const guchar*)"blue",          0,   0, 255, FALSE, {0,0,0}},
+        {(const guchar*)"blueviolet",  138,  43, 226, FALSE, {0,0,0}},
+        {(const guchar*)"brown",       165,  42,  42, FALSE, {0,0,0}},
+        {(const guchar*)"burlywood",   222, 184, 135, FALSE, {0,0,0}},
+        {(const guchar*)"cadetblue",    95, 158, 160, FALSE, {0,0,0}},
+        {(const guchar*)"chartreuse",  127, 255,   0, FALSE, {0,0,0}},
+        {(const guchar*)"chocolate",   210, 105,  30, FALSE, {0,0,0}},
+        {(const guchar*)"coral",       255, 127,  80, FALSE, {0,0,0}},
+        {(const guchar*)"cornflowerblue",      100, 149, 237, FALSE, {0,0,0}},
+        {(const guchar*)"cornsilk",    255, 248, 220, FALSE, {0,0,0}},
+        {(const guchar*)"crimson",     220,  20,  60, FALSE, {0,0,0}},
+        {(const guchar*)"cyan",          0, 255, 255, FALSE, {0,0,0}},
+        {(const guchar*)"darkblue",      0,   0, 139, FALSE, {0,0,0}},
+        {(const guchar*)"darkcyan",      0, 139, 139, FALSE, {0,0,0}},
+        {(const guchar*)"darkgoldenrod",       184, 134,  11, FALSE, {0,0,0}},
+        {(const guchar*)"darkgray",    169, 169, 169, FALSE, {0,0,0}},
+        {(const guchar*)"darkgreen",     0, 100,   0, FALSE, {0,0,0}},
+        {(const guchar*)"darkgrey",    169, 169, 169, FALSE, {0,0,0}},
+        {(const guchar*)"darkkhaki",   189, 183, 107, FALSE, {0,0,0}},
+        {(const guchar*)"darkmagenta", 139,   0, 139, FALSE, {0,0,0}},
+        {(const guchar*)"darkolivegreen",       85, 107,  47, FALSE, {0,0,0}},
+        {(const guchar*)"darkorange",  255, 140,   0, FALSE, {0,0,0}},
+        {(const guchar*)"darkorchid",  153,  50, 204, FALSE, {0,0,0}},
+        {(const guchar*)"darkred",     139,   0,   0, FALSE, {0,0,0}},
+        {(const guchar*)"darksalmon",  233, 150, 122, FALSE, {0,0,0}},
+        {(const guchar*)"darkseagreen",        143, 188, 143, FALSE, {0,0,0}},
+        {(const guchar*)"darkslateblue",        72,  61, 139, FALSE, {0,0,0}},
+        {(const guchar*)"darkslategray",        47,  79,  79, FALSE, {0,0,0}},
+        {(const guchar*)"darkslategrey",        47,  79,  79, FALSE, {0,0,0}},
+        {(const guchar*)"darkturquoise",         0, 206, 209, FALSE, {0,0,0}},
+        {(const guchar*)"darkviolet",  148,   0, 211, FALSE, {0,0,0}},
+        {(const guchar*)"deeppink",    255,  20, 147, FALSE, {0,0,0}},
+        {(const guchar*)"deepskyblue",   0, 191, 255, FALSE, {0,0,0}},
+        {(const guchar*)"dimgray",     105, 105, 105, FALSE, {0,0,0}},
+        {(const guchar*)"dimgrey",     105, 105, 105, FALSE, {0,0,0}},
+        {(const guchar*)"dodgerblue",   30, 144, 255, FALSE, {0,0,0}},
+        {(const guchar*)"firebrick",   178,  34,  34, FALSE, {0,0,0}},
+        {(const guchar*)"floralwhite", 255, 250, 240, FALSE, {0,0,0}},
+        {(const guchar*)"forestgreen",  34, 139,  34, FALSE, {0,0,0}},
+        {(const guchar*)"fuchsia",     255,   0, 255, FALSE, {0,0,0}},
+        {(const guchar*)"gainsboro",   220, 220, 220, FALSE, {0,0,0}},
+        {(const guchar*)"ghostwhite",  248, 248, 255, FALSE, {0,0,0}},
+        {(const guchar*)"gold",        255, 215,   0, FALSE, {0,0,0}},
+        {(const guchar*)"goldenrod",   218, 165,  32, FALSE, {0,0,0}},
+        {(const guchar*)"gray",        128, 128, 128, FALSE, {0,0,0}},
+        {(const guchar*)"green",         0, 128,   0, FALSE, {0,0,0}},
+        {(const guchar*)"greenyellow", 173, 255,  47, FALSE, {0,0,0}},
+        {(const guchar*)"grey",        128, 128, 128, FALSE, {0,0,0}},
+        {(const guchar*)"honeydew",    240, 255, 240, FALSE, {0,0,0}},
+        {(const guchar*)"hotpink",     255, 105, 180, FALSE, {0,0,0}},
+        {(const guchar*)"indianred",   205,  92,  92, FALSE, {0,0,0}},
+        {(const guchar*)"indigo",       75,   0, 130, FALSE, {0,0,0}},
+        {(const guchar*)"ivory",       255, 255, 240, FALSE, {0,0,0}},
+        {(const guchar*)"khaki",       240, 230, 140, FALSE, {0,0,0}},
+        {(const guchar*)"lavender",    230, 230, 250, FALSE, {0,0,0}},
+        {(const guchar*)"lavenderblush",       255, 240, 245, FALSE, {0,0,0}},
+        {(const guchar*)"lawngreen",   124, 252,   0, FALSE, {0,0,0}},
+        {(const guchar*)"lemonchiffon",        255, 250, 205, FALSE, {0,0,0}},
+        {(const guchar*)"lightblue",   173, 216, 230, FALSE, {0,0,0}},
+        {(const guchar*)"lightcoral",  240, 128, 128, FALSE, {0,0,0}},
+        {(const guchar*)"lightcyan",   224, 255, 255, FALSE, {0,0,0}},
+        {(const guchar*)"lightgoldenrodyellow",        250, 250, 210, FALSE, {0,0,0}},
+        {(const guchar*)"lightgray",   211, 211, 211, FALSE, {0,0,0}},
+        {(const guchar*)"lightgreen",  144, 238, 144, FALSE, {0,0,0}},
+        {(const guchar*)"lightgrey",   211, 211, 211, FALSE, {0,0,0}},
+        {(const guchar*)"lightpink",   255, 182, 193, FALSE, {0,0,0}},
+        {(const guchar*)"lightsalmon", 255, 160, 122, FALSE, {0,0,0}},
+        {(const guchar*)"lightseagreen",        32, 178, 170, FALSE, {0,0,0}},
+        {(const guchar*)"lightskyblue",        135, 206, 250, FALSE, {0,0,0}},
+        {(const guchar*)"lightslategray",      119, 136, 153, FALSE, {0,0,0}},
+        {(const guchar*)"lightslategrey",      119, 136, 153, FALSE, {0,0,0}},
+        {(const guchar*)"lightsteelblue",      176, 196, 222, FALSE, {0,0,0}},
+        {(const guchar*)"lightyellow", 255, 255, 224, FALSE, {0,0,0}},
+        {(const guchar*)"lime",          0, 255,   0, FALSE, {0,0,0}},
+        {(const guchar*)"limegreen",    50, 205,  50, FALSE, {0,0,0}},
+        {(const guchar*)"linen",       250, 240, 230, FALSE, {0,0,0}},
+        {(const guchar*)"magenta",     255,   0, 255, FALSE, {0,0,0}},
+        {(const guchar*)"maroon",      128,   0,   0, FALSE, {0,0,0}},
+        {(const guchar*)"mediumaquamarine",    102, 205, 170, FALSE, {0,0,0}},
+        {(const guchar*)"mediumblue",    0,   0, 205, FALSE, {0,0,0}},
+        {(const guchar*)"mediumorchid",        186,  85, 211, FALSE, {0,0,0}},
+        {(const guchar*)"mediumpurple",        147, 112, 219, FALSE, {0,0,0}},
+        {(const guchar*)"mediumseagreen",       60, 179, 113, FALSE, {0,0,0}},
+        {(const guchar*)"mediumslateblue",     123, 104, 238, FALSE, {0,0,0}},
+        {(const guchar*)"mediumspringgreen",     0, 250, 154, FALSE, {0,0,0}},
+        {(const guchar*)"mediumturquoise",      72, 209, 204, FALSE, {0,0,0}},
+        {(const guchar*)"mediumvioletred",     199,  21, 133, FALSE, {0,0,0}},
+        {(const guchar*)"midnightblue",         25,  25, 112, FALSE, {0,0,0}},
+        {(const guchar*)"mintcream",   245, 255, 250, FALSE, {0,0,0}},
+        {(const guchar*)"mistyrose",   255, 228, 225, FALSE, {0,0,0}},
+        {(const guchar*)"moccasin",    255, 228, 181, FALSE, {0,0,0}},
+        {(const guchar*)"navajowhite", 255, 222, 173, FALSE, {0,0,0}},
+        {(const guchar*)"navy",          0,   0, 128, FALSE, {0,0,0}},
+        {(const guchar*)"oldlace",     253, 245, 230, FALSE, {0,0,0}},
+        {(const guchar*)"olive",       128, 128,   0, FALSE, {0,0,0}},
+        {(const guchar*)"olivedrab",   107, 142,  35, FALSE, {0,0,0}},
+        {(const guchar*)"orange",      255, 165,   0, FALSE, {0,0,0}},
+        {(const guchar*)"orangered",   255,  69,   0, FALSE, {0,0,0}},
+        {(const guchar*)"orchid",      218, 112, 214, FALSE, {0,0,0}},
+        {(const guchar*)"palegoldenrod",       238, 232, 170, FALSE, {0,0,0}},
+        {(const guchar*)"palegreen",   152, 251, 152, FALSE, {0,0,0}},
+        {(const guchar*)"paleturquoise",       175, 238, 238, FALSE, {0,0,0}},
+        {(const guchar*)"palevioletred",       219, 112, 147, FALSE, {0,0,0}},
+        {(const guchar*)"papayawhip",  255, 239, 213, FALSE, {0,0,0}},
+        {(const guchar*)"peachpuff",   255, 218, 185, FALSE, {0,0,0}},
+        {(const guchar*)"peru",        205, 133,  63, FALSE, {0,0,0}},
+        {(const guchar*)"pink",        255, 192, 203, FALSE, {0,0,0}},
+        {(const guchar*)"plum",        221, 160, 221, FALSE, {0,0,0}},
+        {(const guchar*)"powderblue",  176, 224, 230, FALSE, {0,0,0}},
+        {(const guchar*)"purple",      128,   0, 128, FALSE, {0,0,0}},
+        {(const guchar*)"red",         255,   0,   0, FALSE, {0,0,0}},
+        {(const guchar*)"rosybrown",   188, 143, 143, FALSE, {0,0,0}},
+        {(const guchar*)"royalblue",    65, 105, 225, FALSE, {0,0,0}},
+        {(const guchar*)"saddlebrown", 139,  69,  19, FALSE, {0,0,0}},
+        {(const guchar*)"salmon",      250, 128, 114, FALSE, {0,0,0}},
+        {(const guchar*)"sandybrown",  244, 164,  96, FALSE, {0,0,0}},
+        {(const guchar*)"seagreen",     46, 139,  87, FALSE, {0,0,0}},
+        {(const guchar*)"seashell",    255, 245, 238, FALSE, {0,0,0}},
+        {(const guchar*)"sienna",      160,  82,  45, FALSE, {0,0,0}},
+        {(const guchar*)"silver",      192, 192, 192, FALSE, {0,0,0}},
+        {(const guchar*)"skyblue",     135, 206, 235, FALSE, {0,0,0}},
+        {(const guchar*)"slateblue",   106,  90, 205, FALSE, {0,0,0}},
+        {(const guchar*)"slategray",   112, 128, 144, FALSE, {0,0,0}},
+        {(const guchar*)"slategrey",   112, 128, 144, FALSE, {0,0,0}},
+        {(const guchar*)"snow",        255, 250, 250, FALSE, {0,0,0}},
+        {(const guchar*)"springgreen",   0, 255, 127, FALSE, {0,0,0}},
+        {(const guchar*)"steelblue",    70, 130, 180, FALSE, {0,0,0}},
+        {(const guchar*)"tan",         210, 180, 140, FALSE, {0,0,0}},
+        {(const guchar*)"teal",          0, 128, 128, FALSE, {0,0,0}},
+        {(const guchar*)"thistle",     216, 191, 216, FALSE, {0,0,0}},
+        {(const guchar*)"tomato",      255,  99,  71, FALSE, {0,0,0}},
+        {(const guchar*)"turquoise",    64, 224, 208, FALSE, {0,0,0}},
+        {(const guchar*)"violet",      238, 130, 238, FALSE, {0,0,0}},
+        {(const guchar*)"wheat",       245, 222, 179, FALSE, {0,0,0}},
+        {(const guchar*)"white",       255, 255, 255, FALSE, {0,0,0}},
+        {(const guchar*)"whitesmoke",  245, 245, 245, FALSE, {0,0,0}},
+        {(const guchar*)"yellow",      255, 255,   0, FALSE, {0,0,0}},
+        {(const guchar*)"yellowgreen", 154, 205,  50, FALSE, {0,0,0}}
+};
+
+/**
+ * cr_rgb_new:
+ *
+ *The default constructor of #CRRgb.
+ *
+ *Returns the newly built instance of #CRRgb
+ */
+CRRgb *
+cr_rgb_new (void)
+{
+        CRRgb *result = NULL;
+
+        result = g_try_malloc (sizeof (CRRgb));
+
+        if (result == NULL) {
+                cr_utils_trace_info ("No more memory");
+                return NULL;
+        }
+
+        memset (result, 0, sizeof (CRRgb));
+
+        return result;
+}
+
+/**
+ * cr_rgb_new_with_vals:
+ *@a_red: the red component of the color.
+ *@a_green: the green component of the color.
+ *@a_blue: the blue component of the color.
+ *@a_unit: the unit of the rgb values.
+ *(either percentage or integer values)
+ *
+ *A constructor of #CRRgb.
+ *
+ *Returns the newly built instance of #CRRgb.
+ */
+CRRgb *
+cr_rgb_new_with_vals (gulong a_red, gulong a_green,
+                      gulong a_blue, gboolean a_is_percentage)
+{
+        CRRgb *result = NULL;
+
+        result = cr_rgb_new ();
+
+        g_return_val_if_fail (result, NULL);
+
+        result->red = a_red;
+        result->green = a_green;
+        result->blue = a_blue;
+        result->is_percentage = a_is_percentage;
+
+        return result;
+}
+
+/**
+ * cr_rgb_to_string:
+ *@a_this: the instance of #CRRgb to serialize.
+ *
+ *Serializes the rgb into a zero terminated string.
+ *
+ *Returns the zero terminated string containing the serialized
+ *rgb. MUST BE FREED by the caller using g_free().
+ */
+guchar *
+cr_rgb_to_string (CRRgb const * a_this)
+{
+        guchar *result = NULL;
+        GString *str_buf = NULL;
+
+        str_buf = g_string_new (NULL);
+        g_return_val_if_fail (str_buf, NULL);
+
+        if (a_this->is_percentage == 1) {
+                g_string_append_printf (str_buf, "%ld", a_this->red);
+
+                g_string_append (str_buf, "%, ");
+
+                g_string_append_printf (str_buf, "%ld", a_this->green);
+                g_string_append (str_buf, "%, ");
+
+                g_string_append_printf (str_buf, "%ld", a_this->blue);
+                g_string_append_c (str_buf, '%');
+        } else {
+                g_string_append_printf (str_buf, "%ld", a_this->red);
+                g_string_append (str_buf, ", ");
+
+                g_string_append_printf (str_buf, "%ld", a_this->green);
+                g_string_append (str_buf, ", ");
+
+                g_string_append_printf (str_buf, "%ld", a_this->blue);
+        }
+
+        if (str_buf) {
+                result = (guchar *) g_string_free (str_buf, FALSE);
+        }
+
+        return result;
+}
+
+/**
+ * cr_rgb_dump:
+ *@a_this: the "this pointer" of
+ *the current instance of #CRRgb.
+ *@a_fp: the destination file pointer.
+ *
+ *Dumps the current instance of #CRRgb
+ *to a file.
+ */
+void
+cr_rgb_dump (CRRgb const * a_this, FILE * a_fp)
+{
+        guchar *str = NULL;
+
+        g_return_if_fail (a_this);
+
+        str = cr_rgb_to_string (a_this);
+
+        if (str) {
+                fprintf (a_fp, "%s", str);
+                g_free (str);
+                str = NULL;
+        }
+}
+
+/**
+ * cr_rgb_compute_from_percentage:
+ *@a_this: the current instance of #CRRgb
+ *
+ *If the rgb values are expressed in percentage,
+ *compute their real value.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_rgb_compute_from_percentage (CRRgb * a_this)
+{
+        g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR);
+
+        if (a_this->is_percentage == FALSE)
+                return CR_OK;
+        a_this->red = a_this->red * 255 / 100;
+        a_this->green = a_this->green * 255 / 100;
+        a_this->blue = a_this->blue * 255 / 100;
+        a_this->is_percentage = FALSE;
+        return CR_OK;
+}
+
+/**
+ * cr_rgb_set:
+ *@a_this: the current instance of #CRRgb.
+ *@a_red: the red value.
+ *@a_green: the green value.
+ *@a_blue: the blue value.
+ *
+ *Sets rgb values to the RGB.
+ *
+ *Returns CR_OK upon successful completion, an error code
+ *otherwise.
+ */
+enum CRStatus
+cr_rgb_set (CRRgb * a_this, gulong a_red,
+            gulong a_green, gulong a_blue, gboolean a_is_percentage)
+{
+        g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR);
+        if (a_is_percentage != FALSE) {
+                g_return_val_if_fail (a_red <= 100
+                                      && a_green <= 100
+                                      && a_blue <= 100, CR_BAD_PARAM_ERROR);
+        }
+
+        a_this->is_percentage = a_is_percentage;
+
+        a_this->red = a_red;
+        a_this->green = a_green;
+        a_this->blue = a_blue;
+        return CR_OK;
+}
+
+/**
+ * cr_rgb_set_from_rgb:
+ *@a_this: the current instance of #CRRgb.
+ *@a_rgb: the rgb to "copy"
+ *
+ *Sets the rgb from an other one.
+ *
+ *Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_rgb_set_from_rgb (CRRgb * a_this, CRRgb const * a_rgb)
+{
+        g_return_val_if_fail (a_this && a_rgb, CR_BAD_PARAM_ERROR);
+
+        cr_rgb_copy (a_this, a_rgb) ;
+
+        return CR_OK;
+}
+
+static int
+cr_rgb_color_name_compare (const void *a,
+                           const void *b)
+{
+        const char *a_color_name = a;
+        const CRRgb *rgb = b;
+
+        return g_ascii_strcasecmp (a_color_name, (const char *) rgb->name);
+}
+
+/**
+ * cr_rgb_set_from_name:
+ * @a_this: the current instance of #CRRgb
+ * @a_color_name: the color name
+ *
+ * Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_rgb_set_from_name (CRRgb * a_this, const guchar * a_color_name)
+{
+        enum CRStatus status = CR_OK;
+        CRRgb *result;
+
+        g_return_val_if_fail (a_this && a_color_name, CR_BAD_PARAM_ERROR);
+
+        result = bsearch (a_color_name,
+                          gv_standard_colors,
+                          G_N_ELEMENTS (gv_standard_colors),
+                          sizeof (gv_standard_colors[0]),
+                          cr_rgb_color_name_compare);
+        if (result != NULL)
+                cr_rgb_set_from_rgb (a_this, result);
+        else
+               status = CR_UNKNOWN_TYPE_ERROR;
+
+        return status;
+}
+
+/**
+ * cr_rgb_set_from_hex_str:
+ * @a_this: the current instance of #CRRgb
+ * @a_hex: the hexadecimal value to set.
+ *
+ * Returns CR_OK upon successful completion.
+ */
+enum CRStatus
+cr_rgb_set_from_hex_str (CRRgb * a_this, const guchar * a_hex)
+{
+        enum CRStatus status = CR_OK;
+        gulong i = 0;
+        guchar colors[3] = { 0 };
+
+        g_return_val_if_fail (a_this && a_hex, CR_BAD_PARAM_ERROR);
+
+        if (strlen ((const char *) a_hex) == 3) {
+                for (i = 0; i < 3; i++) {
+                        if (a_hex[i] >= '0' && a_hex[i] <= '9') {
+                                colors[i] = a_hex[i] - '0';
+                                colors[i] = (colors[i] << 4) | colors[i];
+                        } else if (a_hex[i] >= 'a' && a_hex[i] <= 'z') {
+                                colors[i] = 10 + a_hex[i] - 'a';
+                                colors[i] = (colors[i] << 4) | colors[i];
+                        } else if (a_hex[i] >= 'A' && a_hex[i] <= 'Z') {
+                                colors[i] = 10 + a_hex[i] - 'A';
+                                colors[i] = (colors[i] << 4) | colors[i];
+                        } else {
+                                status = CR_UNKNOWN_TYPE_ERROR;
+                        }
+                }
+        } else if (strlen ((const char *) a_hex) == 6) {
+                for (i = 0; i < 6; i++) {
+                        if (a_hex[i] >= '0' && a_hex[i] <= '9') {
+                                colors[i / 2] <<= 4;
+                                colors[i / 2] |= a_hex[i] - '0';
+                                status = CR_OK;
+                        } else if (a_hex[i] >= 'a' && a_hex[i] <= 'z') {
+                                colors[i / 2] <<= 4;
+                                colors[i / 2] |= 10 + a_hex[i] - 'a';
+                                status = CR_OK;
+                        } else if (a_hex[i] >= 'A' && a_hex[i] <= 'Z') {
+                                colors[i / 2] <<= 4;
+                                colors[i / 2] |= 10 + a_hex[i] - 'A';
+                                status = CR_OK;
+                        } else {
+                                status = CR_UNKNOWN_TYPE_ERROR;
+                        }
+                }
+        } else {
+                status = CR_UNKNOWN_TYPE_ERROR;
+        }
+
+        if (status == CR_OK) {
+                status = cr_rgb_set (a_this, colors[0],
+                                     colors[1], colors[2], FALSE);
+        }
+        return status;
+}
+
+/**
+ * cr_rgb_set_from_term:
+ *@a_this: the instance of #CRRgb to set
+ *@a_value: the terminal from which to set
+ *
+ *Set the rgb from a terminal symbol
+ *
+ * Returns CR_OK upon successful completion, an error code otherwise.
+ */
+enum CRStatus
+cr_rgb_set_from_term (CRRgb *a_this, const struct _CRTerm *a_value)
+{
+        enum CRStatus status = CR_OK ;
+        g_return_val_if_fail (a_this && a_value,
+                              CR_BAD_PARAM_ERROR) ;
+
+	switch(a_value->type) {
+	case TERM_RGB:
+                if (a_value->content.rgb) {
+                        cr_rgb_set_from_rgb
+                                (a_this, a_value->content.rgb) ;
+                }
+		break ;
+	case TERM_IDENT:
+                if (a_value->content.str
+                    && a_value->content.str->stryng
+                    && a_value->content.str->stryng->str) {
+                        status = cr_rgb_set_from_name
+                                (a_this,
+                                 (const guchar *) a_value->content.str->stryng->str) ;
+                } else {
+                        cr_utils_trace_info 
+                                ("a_value has NULL string value") ;
+                }
+		break ;
+	case TERM_HASH:
+                if (a_value->content.str
+                    && a_value->content.str->stryng
+                    && a_value->content.str->stryng->str) {
+                        status = cr_rgb_set_from_hex_str
+                                (a_this, 
+                                 (const guchar *) a_value->content.str->stryng->str) ;
+                } else {
+                        cr_utils_trace_info
+                                ("a_value has NULL string value") ;
+                }
+                break ;
+	default:
+                status =  CR_UNKNOWN_TYPE_ERROR ;
+	}
+        return status ;
+}
+
+enum CRStatus 
+cr_rgb_copy (CRRgb *a_dest, CRRgb const *a_src)
+{
+        g_return_val_if_fail (a_dest && a_src,
+                              CR_BAD_PARAM_ERROR) ;
+
+        memcpy (a_dest, a_src, sizeof (CRRgb)) ;
+        return CR_OK ;
+}
+
+/**
+ * cr_rgb_destroy:
+ *@a_this: the "this pointer" of the
+ *current instance of #CRRgb.
+ *
+ *Destructor of #CRRgb.
+ */
+void
+cr_rgb_destroy (CRRgb * a_this)
+{
+        g_return_if_fail (a_this);
+        g_free (a_this);
+}
+
+/**
+ * cr_rgb_parse_from_buf:
+ *@a_str: a string that contains a color description
+ *@a_enc: the encoding of a_str
+ *
+ *Parses a text buffer that contains a rgb color
+ *
+ *Returns the parsed color, or NULL in case of error
+ */
+CRRgb *
+cr_rgb_parse_from_buf (const guchar *a_str,
+                              enum CREncoding a_enc)
+{
+	enum CRStatus status = CR_OK ;
+	CRTerm *value = NULL ;
+	CRParser * parser = NULL;
+	CRRgb *result = NULL;
+	
+	g_return_val_if_fail (a_str, NULL);
+	
+	parser = cr_parser_new_from_buf ((guchar *) a_str, strlen ((const char *) a_str), a_enc, FALSE);
+
+	g_return_val_if_fail (parser, NULL);
+
+	status = cr_parser_try_to_skip_spaces_and_comments (parser) ;
+	if (status != CR_OK)
+	    	goto cleanup;
+
+	status = cr_parser_parse_term (parser, &value);
+	if (status != CR_OK)
+	    	goto cleanup;
+
+	result = cr_rgb_new ();
+	if (!result)
+	    	goto cleanup;
+
+	status = cr_rgb_set_from_term (result, value);
+
+cleanup:
+	if (parser) {
+	    	cr_parser_destroy (parser);
+		parser = NULL;
+	}
+	if (value) {
+	    	cr_term_destroy(value);
+		value = NULL;
+	}
+	return result ;
+}
+