cleaned up code a little

qse/doc/Doxyfile.in

@@ -336,7 +336,7 @@ EXTRACT_ANON_NSPACES   = NO
 # various overviews, but no documentation section is generated. 
 # This option has no effect if EXTRACT_ALL is enabled.
 
-HIDE_UNDOC_MEMBERS     = NO
+HIDE_UNDOC_MEMBERS     = YES
 
 # If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all 
 # undocumented classes that are normally visible in the class hierarchy. 
@@ -350,7 +350,7 @@ HIDE_UNDOC_CLASSES     = NO
 # If set to NO (the default) these declarations will be included in the 
 # documentation.
 
-HIDE_FRIEND_COMPOUNDS  = NO
+HIDE_FRIEND_COMPOUNDS  = YES
 
 # If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any 
 # documentation blocks found inside the body of a function. 
@@ -735,7 +735,7 @@ VERBATIM_HEADERS       = NO
 # of all compounds will be generated. Enable this if the project 
 # contains a lot of classes, structs, unions or interfaces.
 
-ALPHABETICAL_INDEX     = NO
+ALPHABETICAL_INDEX     = YES
 
 # If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then 
 # the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns 
@@ -951,7 +951,7 @@ ENUM_VALUES_PER_LINE   = 1
 # releases of Doxygen, the values YES and NO are equivalent to FRAME and NONE 
 # respectively.
 
-GENERATE_TREEVIEW      = ALL
+GENERATE_TREEVIEW      = NONE
 
 # If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be 
 # used to set the initial width (in pixels) of the frame in which the tree 

qse/include/qse/cmn/pio.h

@@ -1,5 +1,5 @@
 /*
- * $Id: pio.h 242 2009-07-23 13:01:52Z hyunghwan.chung $
+ * $Id: pio.h 243 2009-07-24 04:11:07Z hyunghwan.chung $
  *
    Copyright 2006-2009 Chung, Hyung-Hwan.
 
@@ -24,34 +24,49 @@
 #include <qse/cmn/tio.h>
 
 /** @file 
- * Pipe I/O
+ * This file defines a piped interface to a child process. It provides more
+ * advanced interface than popen() and pclose().
+ *
  * @todo 
  * - rename flags to option
- * - write code for win32
  */
 
+/**
+ * Open flags 
+ */
 enum qse_pio_open_flag_t
 {
-	/* enable ase_char_t based IO */
+	/** enable text based IO. */
 	QSE_PIO_TEXT       = (1 << 0),
 
-	/* invoke the command through a system shell 
+	/** invoke the command through a system shell 
 	 * (/bin/sh on *nix, cmd.exe on windows) */
 	QSE_PIO_SHELL      = (1 << 1),
 
+	/** write to stdin of a child process */
 	QSE_PIO_WRITEIN    = (1 << 8),
+	/** read stdout of a child process */
 	QSE_PIO_READOUT    = (1 << 9),
+	/** read stderr of a child process */
 	QSE_PIO_READERR    = (1 << 10),
 
-	QSE_PIO_ERRTOOUT   = (1 << 11),	/* require QSE_PIO_READOUT */
-	QSE_PIO_OUTTOERR   = (1 << 12),	/* require QSE_PIO_READERR */
+	/** redirect stderr to stdout(2>&1). require QSE_PIO_READOUT */
+	QSE_PIO_ERRTOOUT   = (1 << 11),	
+	/** redirect stdout to stderr(1>&2). require QSE_PIO_READERR */
+	QSE_PIO_OUTTOERR   = (1 << 12),
 
+	/** redirect stdin to the null device (</dev/null, <NUL) */
 	QSE_PIO_INTONUL    = (1 << 13),
+	/** redirect stdin to the null device (>/dev/null, >NUL) */
 	QSE_PIO_ERRTONUL   = (1 << 14),
+	/** redirect stderr to the null device (2>/dev/null, 2>NUL) */
 	QSE_PIO_OUTTONUL   = (1 << 15),
 
-	QSE_PIO_DROPIN     = (1 << 16),
+	/** drop stdin */
+	QSE_PIO_DROPIN     = (1 << 16), 
+	/** drop stdout */
 	QSE_PIO_DROPOUT    = (1 << 17),
+	/** drop stderr */
 	QSE_PIO_DROPERR    = (1 << 18),
 };
 
@@ -65,16 +80,24 @@ enum qse_pio_hid_t
 enum qse_pio_io_flag_t
 {
 	/*QSE_PIO_READ_NOBLOCK   = (1 << 0),*/
-	QSE_PIO_READ_NORETRY   = (1 << 1),
+
+	/** do not reread if read has been interrupted */
+	QSE_PIO_READ_NORETRY   = (1 << 1), 
+
 	/*QSE_PIO_WRITE_NOBLOCK  = (1 << 2),*/
+
+	/** do not rewrite if write has been interrupted */
 	QSE_PIO_WRITE_NORETRY  = (1 << 3),
+
 	QSE_PIO_WAIT_NOBLOCK   = (1 << 4),
+
+	/** do not wait again if waitpid has been interrupted */
 	QSE_PIO_WAIT_NORETRY   = (1 << 5)
 };
 
 enum qse_pio_errnum_t
 {
-	QSE_PIO_ENOERR = 0,
+	QSE_PIO_ENOERR = 0, /**< no error */
 	QSE_PIO_ENOMEM,     /**< out of memory */
 	QSE_PIO_ENOHND,     /**< no handle available */
 	QSE_PIO_ECHILD,     /**< the child is not valid */
@@ -135,8 +158,9 @@ QSE_DEFINE_COMMON_FUNCTIONS (pio)
 
 /**
  * The qse_pio_open() function opens pipes to a child process.
- * QSE_PIO_SHELL drives the function to execute the command via /bin/sh.
- * If flags is clear of QSE_PIO_SHELL, you should pass the full program path.
+ * QSE_PIO_SHELL drives the function to execute the command via the default
+ * shell of an underlying system: /bin/sh on *nix, cmd.exe on win32.
+ * If @a flags is clear of QSE_PIO_SHELL, you should pass the full program path.
  */
 qse_pio_t* qse_pio_open (
 	qse_mmgr_t*       mmgr,  /**< a memory manager */

qse/samples/cmn/pio.c

@@ -125,7 +125,7 @@ static int test1 (void)
 
 	return pio1 (
 #ifdef _WIN32
-		QSE_T("sll.exe"), 
+		QSE_T("dir /a"), 
 #else
 		QSE_T("ls -laF"),
 #endif
@@ -138,7 +138,7 @@ static int test2 (void)
 {
 	return pio1 (
 #ifdef _WIN32
-		QSE_T("sll.exe"), 
+		QSE_T("dir /a"), 
 #else
 		QSE_T("ls -laF"),
 #endif
@@ -164,7 +164,7 @@ static int test4 (void)
 {
 	return pio2 (
 #ifdef _WIN32
-		QSE_T("sll.exe"), 
+		QSE_T("dir /a"), 
 #else
 		QSE_T("ls -laF"),
 #endif
@@ -177,7 +177,7 @@ static int test5 (void)
 {
 	return pio2 (
 #ifdef _WIN32
-		QSE_T("sll.exe"), 
+		QSE_T("dir /a"), 
 #else
 		QSE_T("ls -laF"), 
 #endif