#include <glib.h>
#include <glib/gstdio.h>
-/* Global current stream */
-static strid_t current_stream = NULL;
-/* List of streams currently in existence */
-static GList *stream_list = NULL;
+#include "chimara-glk-private.h"
+extern ChimaraGlkPrivate *glk_data;
/* Internal function: create a window stream to go with window. */
strid_t
str->window = window;
/* Add it to the global stream list */
- stream_list = g_list_prepend(stream_list, str);
- str->stream_list = stream_list;
+ glk_data->stream_list = g_list_prepend(glk_data->stream_list, str);
+ str->stream_list = glk_data->stream_list;
return str;
}
* @str: A stream, or %NULL.
* @rockptr: Return location for the next window's rock, or %NULL.
*
- * Iterates over the list of streams; if @str is %NULL, it returns the first
- * stream, otherwise the next stream after @str. If there are no more, it
- * returns %NULL. The stream's rock is stored in @rockptr. If you don't want
- * the rocks to be returned, you may set @rockptr to %NULL.
- *
- * The order in which streams are returned is arbitrary. The order may change
- * every time you create or destroy a stream, invalidating the iteration.
+ * Iterates through all the existing streams. See <link
+ * linkend="chimara-Iterating-Through-Opaque-Objects">Iterating Through Opaque
+ * Objects</link>.
*
* Returns: the next stream, or %NULL if there are no more.
*/
GList *retnode;
if(str == NULL)
- retnode = stream_list;
+ retnode = glk_data->stream_list;
else
retnode = str->stream_list->next;
strid_t retval = retnode? (strid_t)retnode->data : NULL;
* glk_stream_get_rock:
* @str: A stream.
*
- * Returns the stream @str's rock value.
+ * Retrieves the stream @str's rock value. See <link
+ * linkend="chimara-Rocks">Rocks</link>.
*
* Returns: A rock value.
*/
return;
}
- current_stream = str;
+ glk_data->current_stream = str;
}
/**
*
* Returns the current stream, or %NULL if there is none.
*
- * Returns: A stream.
+ * Returns: A stream, or %NULL.
*/
strid_t
glk_stream_get_current()
{
- return current_stream;
+ return glk_data->current_stream;
}
/**
* @ch: A character in Latin-1 encoding.
*
* Prints one character to the current stream. As with all basic functions, the
- * character is assumed to be in the Latin-1 character encoding.
+ * character is assumed to be in the Latin-1 character encoding. See <link
+ * linkend="chimara-Character-Encoding">Character Encoding</link>.
*/
void
glk_put_char(unsigned char ch)
{
- g_return_if_fail(current_stream != NULL);
- glk_put_char_stream(current_stream, ch);
+ g_return_if_fail(glk_data->current_stream != NULL);
+ glk_put_char_stream(glk_data->current_stream, ch);
+}
+
+/**
+ * glk_put_char_uni:
+ * @ch: A Unicode code point.
+ *
+ * Prints one character to the current stream. The character is assumed to be a
+ * Unicode code point. See <link linkend="chimara-Character-Encoding">Character
+ * Encoding</link>.
+ */
+void
+glk_put_char_uni(glui32 ch)
+{
+ g_return_if_fail(glk_data->current_stream != NULL);
+ glk_put_char_stream_uni(glk_data->current_stream, ch);
}
/**
* @s: A null-terminated string in Latin-1 encoding.
*
* Prints a null-terminated string to the current stream. It is exactly
- * equivalent to:
+ * equivalent to
* <informalexample><programlisting>
- * for (ptr = s; *ptr; ptr++)
- * glk_put_char(*ptr);
+ * for (ptr = @s; *ptr; ptr++)
+ * #glk_put_char(*ptr);
* </programlisting></informalexample>
* However, it may be more efficient.
*/
void
glk_put_string(char *s)
{
- g_return_if_fail(current_stream != NULL);
- glk_put_string_stream(current_stream, s);
+ g_return_if_fail(glk_data->current_stream != NULL);
+ glk_put_string_stream(glk_data->current_stream, s);
+}
+
+/**
+ * glk_put_string_uni:
+ * @s: A zero-terminated string of Unicode code points.
+ *
+ * Prints a string of Unicode characters to the current stream. It is equivalent
+ * to a series of glk_put_char_uni() calls. A string ends on a #glui32 whose
+ * value is 0.
+ */
+void
+glk_put_string_uni(glui32 *s)
+{
+ g_return_if_fail(glk_data->current_stream != NULL);
+ glk_put_string_stream_uni(glk_data->current_stream, s);
}
/**
* Prints a block of characters to the current stream. It is exactly equivalent
* to:
* <informalexample><programlisting>
- * for (i = 0; i < len; i++)
- * glk_put_char(buf[i]);
+ * for (i = 0; i < @len; i++)
+ * #glk_put_char(@buf[i]);
* </programlisting></informalexample>
* However, it may be more efficient.
*/
void
glk_put_buffer(char *buf, glui32 len)
{
- g_return_if_fail(current_stream != NULL);
- glk_put_buffer_stream(current_stream, buf, len);
+ g_return_if_fail(glk_data->current_stream != NULL);
+ glk_put_buffer_stream(glk_data->current_stream, buf, len);
+}
+
+/**
+ * glk_put_buffer_uni:
+ * @buf: An array of Unicode code points.
+ * @len: Length of @buf.
+ *
+ * Prints a block of Unicode characters to the current stream. It is equivalent
+ * to a series of glk_put_char_uni() calls.
+ */
+void
+glk_put_buffer_uni(glui32 *buf, glui32 len)
+{
+ g_return_if_fail(glk_data->current_stream != NULL);
+ glk_put_buffer_stream_uni(glk_data->current_stream, buf, len);
}
/**
* to the buffer where output will be read from or written to. @buflen is the
* length of the buffer.
*
- * When outputting, if more than @buflen characters are written to the stream,
- * all of them beyond the buffer length will be thrown away, so as not to
- * overwrite the buffer. (The character count of the stream will still be
- * maintained correctly. That is, it will count the number of characters written
- * into the stream, not the number that fit into the buffer.)
- *
- * If @buf is %NULL, or for that matter if @buflen is zero, then <emphasis>
- * everything</emphasis> written to the stream is thrown away. This may be
- * useful if you are interested in the character count.
- *
- * When inputting, if more than @buflen characters are read from the stream, the
- * stream will start returning -1 (signalling end-of-file.) If @buf is %NULL,
- * the stream will always return end-of-file.
- *
- * The data is written to the buffer exactly as it was passed to the printing
- * functions (glk_put_char(), etc.); input functions will read the data exactly
- * as it exists in memory. No platform-dependent cookery will be done on it.
- * (You can write a disk file in text mode, but a memory stream is effectively
- * always in binary mode.)
- *
* Unicode values (characters greater than 255) cannot be written to the buffer.
- * If you try, they will be stored as 0x3F ("?") characters.
+ * If you try, they will be stored as 0x3F (<code>"?"</code>) characters.
*
- * Whether reading or writing, the contents of the buffer are undefined until
- * the stream is closed. The library may store the data there as it is written,
- * or deposit it all in a lump when the stream is closed. It is illegal to
- * change the contents of the buffer while the stream is open.
+ * Returns: the new stream, or %NULL on error.
*/
strid_t
glk_stream_open_memory(char *buf, glui32 buflen, glui32 fmode, glui32 rock)
str->unicode = FALSE;
/* Add it to the global stream list */
- stream_list = g_list_prepend(stream_list, str);
- str->stream_list = stream_list;
+ glk_data->stream_list = g_list_prepend(glk_data->stream_list, str);
+ str->stream_list = glk_data->stream_list;
return str;
}
* of 32-bit words, instead of bytes. This allows you to write and read any
* Unicode character. The @buflen is the number of words, not the number of
* bytes.
+ *
+ * Returns: the new stream, or %NULL on error.
*/
strid_t
glk_stream_open_memory_uni(glui32 *buf, glui32 buflen, glui32 fmode, glui32 rock)
str->unicode = TRUE;
/* Add it to the global stream list */
- stream_list = g_list_prepend(stream_list, str);
- str->stream_list = stream_list;
+ glk_data->stream_list = g_list_prepend(glk_data->stream_list, str);
+ str->stream_list = glk_data->stream_list;
return str;
}
if(str->filename == NULL)
str->filename = g_strdup("Unknown file name"); /* fail silently */
/* Add it to the global stream list */
- stream_list = g_list_prepend(stream_list, str);
- str->stream_list = stream_list;
+ glk_data->stream_list = g_list_prepend(glk_data->stream_list, str);
+ str->stream_list = glk_data->stream_list;
return str;
}
* already exists, it is truncated down to zero length (an empty file). If
* @fmode is #filemode_WriteAppend, the file mark is set to the end of the
* file.
- *
- * The file may be written in text or binary mode; this is determined by the
- * @fileref argument. Similarly, platform-dependent attributes such as file
- * type are determined by @fileref.
*
* When writing in binary mode, Unicode values (characters greater than 255)
- * cannot be written to the file. If you try, they will be stored as 0x3F ("?")
- * characters. In text mode, Unicode values are stored in UTF-8.
+ * cannot be written to the file. If you try, they will be stored as 0x3F
+ * (<code>"?"</code>) characters. In text mode, Unicode values may be stored
+ * exactly, approximated, or abbreviated, depending on what the platform's text
+ * files support.
*
* Returns: A new stream, or %NULL if the file operation failed.
*/
* characters are written and read as four-byte (big-endian) values. This
* allows you to write any Unicode character.
*
- * In text mode, the file is written and read in UTF-8.
+ * In text mode, the file is written and read in a platform-dependent way, which
+ * may or may not handle all Unicode characters. A text-mode file created with
+ * glk_stream_open_file_uni() may have the same format as a text-mode file
+ * created with glk_stream_open_file(); or it may use a more Unicode-friendly
+ * format.
*
* Returns: A new stream, or %NULL if the file operation failed.
*/
* If @str is the current output stream, the current output stream is set to
* %NULL.
*
- * You cannot close window streams; use glk_window_close() instead.
+ * You cannot close window streams; use glk_window_close() instead. See <link
+ * linkend="chimara-Window-Opening-Closing-and-Constraints">Window Opening,
+ * Closing, and Constraints</link>.
*/
void
glk_stream_close(strid_t str, stream_result_t *result)
stream_close_common(strid_t str, stream_result_t *result)
{
/* Remove the stream from the global stream list */
- stream_list = g_list_delete_link(stream_list, str->stream_list);
+ glk_data->stream_list = g_list_delete_link(glk_data->stream_list, str->stream_list);
/* If it was the current output stream, set that to NULL */
- if(current_stream == str)
- current_stream = NULL;
+ if(glk_data->current_stream == str)
+ glk_data->current_stream = NULL;
/* If it was one or more windows' echo streams, set those to NULL */
winid_t win;
projects / rodin / chimara.git / blobdiff