[PATCH 1/2] stkutil: convert text attributes to html
Kristen Carlson Accardi
kristen at linux.intel.com
Mon Jun 21 06:06:41 PDT 2010
---
src/stkutil.c | 165 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
src/stkutil.h | 22 ++++++++
2 files changed, 187 insertions(+), 0 deletions(-)
diff --git a/src/stkutil.c b/src/stkutil.c
index 642081e..1c8bac9 100644
--- a/src/stkutil.c
+++ b/src/stkutil.c
@@ -26,6 +26,7 @@
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
+#include <stdio.h>
#include <glib.h>
@@ -5978,3 +5979,167 @@ const unsigned char *stk_pdu_from_envelope(const struct stk_envelope *envelope,
return pdu;
}
+
+static const char *html_colors[] = {
+ "#000000", /* Black */
+ "#808080", /* Dark Grey */
+ "#C11B17", /* Dark Red */
+ "#FBB117", /* Dark Yellow */
+ "#347235", /* Dark Green */
+ "#307D7E", /* Dark Cyan */
+ "#0000A0", /* Dark Blue */
+ "#C031C7", /* Dark Magenta */
+ "#C0C0C0", /* Grey */
+ "#FFFFFF", /* White */
+ "#FF0000", /* Bright Red */
+ "#FFFF00", /* Bright Yellow */
+ "#00FF00", /* Bright Green */
+ "#00FFFF", /* Bright Cyan */
+ "#0000FF", /* Bright Blue */
+ "#FF00FF", /* Bright Magenta */
+};
+
+static void end_format(GString *string, guint8 code)
+{
+ g_string_append(string, "</span>");
+
+ if ((code & STK_TEXT_FORMAT_ALIGN_MASK) != STK_TEXT_FORMAT_NO_ALIGN)
+ g_string_append(string, "</div>");
+}
+
+static void start_format(GString *string, guint8 code, guint8 color)
+{
+ guint8 align = code & STK_TEXT_FORMAT_ALIGN_MASK;
+ guint8 font = code & STK_TEXT_FORMAT_FONT_MASK;
+ guint8 style = code & STK_TEXT_FORMAT_STYLE_MASK;
+ int fg = color & 0x0f;
+ int bg = (color >> 4) & 0x0f;
+
+ /* align formatting applies to a block of test */
+ if (align != STK_TEXT_FORMAT_NO_ALIGN)
+ g_string_append(string, "<div style=\"");
+
+ if (align == STK_TEXT_FORMAT_RIGHT_ALIGN)
+ g_string_append(string, "text-align: right;\">");
+ else if (align == STK_TEXT_FORMAT_CENTER_ALIGN)
+ g_string_append(string, "text-align: center;\">");
+ else if (align == STK_TEXT_FORMAT_LEFT_ALIGN)
+ g_string_append(string, "text-align: left;\">");
+
+ /* font, style, and color are inline */
+ g_string_append(string, "<span style=\"");
+
+ if (font == STK_TEXT_FORMAT_FONT_SIZE_LARGE)
+ g_string_append(string, "font-size: big;");
+ else if (font == STK_TEXT_FORMAT_FONT_SIZE_SMALL)
+ g_string_append(string, "font-size: small;");
+
+ if (style == STK_TEXT_FORMAT_STYLE_BOLD)
+ g_string_append(string, "font-weight: bold;");
+ else if (style == STK_TEXT_FORMAT_STYLE_ITALIC)
+ g_string_append(string, "font-style: italic;");
+ else if (style == STK_TEXT_FORMAT_STYLE_UNDERLINED)
+ g_string_append(string, "text-decoration: underline;");
+ else if (style == STK_TEXT_FORMAT_STYLE_STRIKETHROUGH)
+ g_string_append(string, "text-decoration: line-through;");
+
+ /* add any color */
+ if (fg)
+ g_string_append_printf(string, "color: %s;", html_colors[fg]);
+ if (bg)
+ g_string_append_printf(string, "background-color: %s;",
+ html_colors[bg]);
+ g_string_append(string, "\">");
+}
+
+char *stk_text_to_html(char *text, int text_len,
+ const unsigned char *attrs, int attrs_len)
+{
+ GString *string = g_string_sized_new(text_len + 1);
+ GQueue formats[241]; /* maximum number of chars in text + 1 */
+ int pos = 0, attr, i;
+ guint8 start, end, code, color, len;
+ guint8 align = STK_DEFAULT_TEXT_ALIGNMENT; /* hardcoded to left */
+
+ /* we may need formatting at the position beyond the last char */
+ for (i = 0; i <= text_len; i++)
+ g_queue_init(&formats[i]);
+
+ i = 0;
+
+ /*
+ * each position in the text may have multiple attributes.
+ * store each attribute in a queue for that position in the
+ * order in which it was sent. This will cause the last
+ * attribute sent for that position to take priority.
+ */
+ while (i < attrs_len) {
+ /* TBD - check for bad values */
+ start = attrs[i++];
+ len = attrs[i++];
+ code = attrs[i++];
+
+ /*
+ * if the alignment is the same as either the default
+ * or the last alignment used, don't set any alignment
+ * value.
+ */
+ if ((code & STK_TEXT_FORMAT_ALIGN_MASK) == align)
+ code |= 0x3;
+ else
+ align = code & STK_TEXT_FORMAT_ALIGN_MASK;
+
+ if (i < attrs_len)
+ color = attrs[i++];
+ else
+ color = 0;
+
+ if (len == 0)
+ end = text_len;
+ else
+ end = start + len;
+
+ attr = start | (code << 16) | (color << 24);
+
+ g_queue_push_tail(&formats[start], GINT_TO_POINTER(attr));
+ g_queue_push_tail(&formats[end], GINT_TO_POINTER(attr));
+ }
+
+ while (pos <= text_len) {
+ GQueue *q = &formats[pos];
+
+ /* there may be multiple formats per position */
+ while ((attr = GPOINTER_TO_INT(g_queue_pop_head(q)))) {
+ start = attr & 0xff;
+ code = attr >> 16 & 0xff;
+ color = attr >> 24 & 0xff;
+
+ if (pos == start)
+ start_format(string, code, color);
+ else
+ end_format(string, code);
+ }
+
+ if (pos == text_len)
+ break;
+
+ if (text[pos] == '\n')
+ g_string_append(string, "<br/>");
+ else if (text[pos] == '\r') {
+ g_string_append(string, "<br/>");
+ if ((pos + 1 < text_len) && (text[pos + 1] == '\n'))
+ pos++;
+ } else if (text[pos] == '<')
+ g_string_append(string, "<");
+ else if (text[pos] == '>')
+ g_string_append(string, ">");
+ else if (text[pos] == '&')
+ g_string_append(string, "&");
+ else
+ g_string_append_c(string, text[pos]);
+ pos++;
+ }
+
+ /* return characters from string. Caller must free char data */
+ return g_string_free(string, FALSE);
+}
diff --git a/src/stkutil.h b/src/stkutil.h
index ea0f77a..50e594d 100644
--- a/src/stkutil.h
+++ b/src/stkutil.h
@@ -557,6 +557,26 @@ enum stk_me_status {
STK_ME_STATUS_NOT_IDLE = 0x01
};
+#define STK_TEXT_FORMAT_ALIGN_MASK 0x03
+#define STK_TEXT_FORMAT_FONT_MASK 0x0C
+#define STK_TEXT_FORMAT_STYLE_MASK 0xF0
+#define STK_DEFAULT_TEXT_ALIGNMENT 0x00
+
+/* Defined in ETSI 123 40 9.2.3.24.10.1.1 */
+enum stk_text_format_code {
+ STK_TEXT_FORMAT_LEFT_ALIGN = 0x00,
+ STK_TEXT_FORMAT_CENTER_ALIGN = 0x01,
+ STK_TEXT_FORMAT_RIGHT_ALIGN = 0x02,
+ STK_TEXT_FORMAT_NO_ALIGN = 0x03,
+ STK_TEXT_FORMAT_FONT_SIZE_LARGE = 0x04,
+ STK_TEXT_FORMAT_FONT_SIZE_SMALL = 0x08,
+ STK_TEXT_FORMAT_FONT_SIZE_RESERVED = 0x0c,
+ STK_TEXT_FORMAT_STYLE_BOLD = 0x10,
+ STK_TEXT_FORMAT_STYLE_ITALIC = 0x20,
+ STK_TEXT_FORMAT_STYLE_UNDERLINED = 0x40,
+ STK_TEXT_FORMAT_STYLE_STRIKETHROUGH = 0x80,
+};
+
/* For data object that only has a byte array with undetermined length */
struct stk_common_byte_array {
unsigned char *array;
@@ -1635,3 +1655,5 @@ const unsigned char *stk_pdu_from_response(const struct stk_response *response,
unsigned int *out_length);
const unsigned char *stk_pdu_from_envelope(const struct stk_envelope *envelope,
unsigned int *out_length);
+char *stk_text_to_html(char *text, int text_len,
+ const unsigned char *attrs, int attrs_len);
--
1.6.6.1
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