1 files changed, 68 insertions, 0 deletions
diff --git a/common.h b/common.h
new file mode 100644
index 0000000..05b5269
--- /dev/null
+++ b/common.h
@@ -0,0 +1,68 @@
+/* See LICENSE file for copyright and license details. */
+#include "libterminput.h"
+
+#include <alloca.h>
+#include <ctype.h>
+#include <limits.h>
+#include <string.h>
+#include <unistd.h>
+
+
+#if defined(__GNUC__)
+# define HIDDEN __attribute__((__visibility__("hidden")))
+#else
+# define HIDDEN
+#endif
+
+
+struct input {
+	enum libterminput_mod mods;
+	char symbol[7];
+};
+
+
+/**
+ * Encode a Unicode codepoint in UTF-8
+ * 
+ * @param  codepoint  The codepoint to encode
+ * @param  buffer     Output buffer for the NUL-byte terminated UTF-8 encoding of `codepoint`
+ */
+HIDDEN void libterminput_encode_utf8__(unsigned long long int codepoint, char buffer[7]);
+
+/**
+ * Validate an UTF-8 byte sequence, up to one codepoint encoding
+ *
+ * @param   s        The buffer to read from
+ * @param   size     The number of bytes available in `s`
+ * @param   len_out  Output parameter for the encoding length of the
+ *                   codepoint encoded at the beginning of `s`
+ * @return           1 if `s` begins with a valid codepoint,
+ *                   0 if `size` is too small to determine the validity,
+ *                   -1 if the byte sequence is illegal
+ */
+HIDDEN int libterminput_check_utf8_char__(const char *s, size_t size, size_t *len_out);
+
+/**
+ * Decode a Unicode codepoint encoded in UTF-8
+ * 
+ * @param   s   The buffer to read from
+ * @param   ip  Pointer to the current position in `s`, will be updated
+ * @return      The first encode codepoint, 0 if invalid (or if 0)
+ */
+HIDDEN unsigned long long int libterminput_utf8_decode__(const char *s, size_t *ip);
+
+/**
+ * Get input, from the terminal that, that appear after
+ * the start marker for a bracketed paste
+ * 
+ * @param   fd     The file descriptor to the terminal
+ * @param   input  Output parameter for input
+ * @param   ctx    State for the terminal, parts of the state may be stored in `input`
+ * @return         1 normally, 0 on end of input, -1 on error
+ *
+ * @throws  Any reason specified for read(3)
+ */
+HIDDEN int libterminput_read_bracketed_paste__(int fd, union libterminput_input *input, struct libterminput_state *ctx);
+
+
+#undef HIDDEN