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authorBryce McKinlay <bryce@waitaki.otago.ac.nz>2002-03-17 00:35:21 +0000
committerBryce McKinlay <bryce@gcc.gnu.org>2002-03-17 00:35:21 +0000
commitce3b24a73a8411d262bab9c8ea81a3e1fc6fe110 (patch)
tree4a1b8a8dce551af5a22e374180cfc27a991b3dfc /libjava/java/security/acl/AclNotFoundException.java
parentcfb773f9109b45c452c5a33602b3c2b141737caa (diff)
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Makefile.am: Make target library a convenience library.
zlib: * Makefile.am: Make target library a convenience library. * Makefile.in: Rebuilt. libffi: * Makefile.am: libfficonvenience -> libffi_convenience. * Makefile.in: Rebuilt. boehm-gc: * Makefile.am: Make a convenience library. * Makefile.in: Rebuilt. libjava: Build a single libgcj.so, without separate gc and zlib libraries. * configure.in: Use convenience libraries for boehm-gc and zlib. Set SYS_ZLIBS if system zlib is used. * configure: Rebuilt. * Makefile.am: Use boehm-gc and zlib convenience libraries. * Makefile.in: Rebuilt. * libtool-version: Increment .so version number. From-SVN: r50900
Diffstat (limited to 'libjava/java/security/acl/AclNotFoundException.java')
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generated by cgit v1.1 at 2026-01-18 06:25:18 +0000
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/* 
 * Implements the internals of the format command for jim
 *
 * The FreeBSD license
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * The views and conclusions contained in the software and documentation
 * are those of the authors and should not be interpreted as representing
 * official policies, either expressed or implied, of the Jim Tcl Project.
 *
 * Based on code originally from Tcl 8.5:
 *
 * Copyright (c) 1995-1997 Sun Microsystems, Inc.
 * Copyright (c) 1999 by Scriptics Corporation.
 *
 * See the file "tcl.license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */
#include <ctype.h>
#include <string.h>

#include "jim.h"
#include "jimautoconf.h"
#include "utf8.h"

#define JIM_UTF_MAX 3
#define JIM_INTEGER_SPACE 24
#define MAX_FLOAT_WIDTH 320

/**
 * Apply the printf-like format in fmtObjPtr with the given arguments.
 *
 * Returns a new object with zero reference count if OK, or NULL on error.
 */
Jim_Obj *Jim_FormatString(Jim_Interp *interp, Jim_Obj *fmtObjPtr, int objc, Jim_Obj *const *objv)
{
    const char *span, *format, *formatEnd, *msg;
    int numBytes = 0, objIndex = 0, gotXpg = 0, gotSequential = 0;
    static const char *mixedXPG =
	    "cannot mix \"%\" and \"%n$\" conversion specifiers";
    static const char *badIndex[2] = {
	"not enough arguments for all format specifiers",
	"\"%n$\" argument index out of range"
    };
    int formatLen;
    Jim_Obj *resultPtr;

    /* A single buffer is used to store numeric fields (with sprintf())
     * This buffer is allocated/reallocated as necessary
     */
    char *num_buffer = NULL;
    int num_buffer_size = 0;

    span = format = Jim_GetString(fmtObjPtr, &formatLen);
    formatEnd = format + formatLen;
    resultPtr = Jim_NewStringObj(interp, "", 0);

    while (format != formatEnd) {
	char *end;
	int gotMinus, sawFlag;
	int gotPrecision, useShort;
	long width, precision;
	int newXpg;
	int ch;
	int step;
	int doubleType;
	char pad = ' ';
	char spec[2*JIM_INTEGER_SPACE + 12];
	char *p;

	int formatted_chars;
	int formatted_bytes;
	const char *formatted_buf;

	step = utf8_tounicode(format, &ch);
	format += step;
	if (ch != '%') {
	    numBytes += step;
	    continue;
	}
	if (numBytes) {
	    Jim_AppendString(interp, resultPtr, span, numBytes);
	    numBytes = 0;
	}

	/*
	 * Saw a % : process the format specifier.
	 *
	 * Step 0. Handle special case of escaped format marker (i.e., %%).
	 */

	step = utf8_tounicode(format, &ch);
	if (ch == '%') {
	    span = format;
	    numBytes = step;
	    format += step;
	    continue;
	}

	/*
	 * Step 1. XPG3 position specifier
	 */

	newXpg = 0;
	if (isdigit(ch)) {
	    int position = strtoul(format, &end, 10);
	    if (*end == '$') {
		newXpg = 1;
		objIndex = position - 1;
		format = end + 1;
		step = utf8_tounicode(format, &ch);
	    }
	}
	if (newXpg) {
	    if (gotSequential) {
		msg = mixedXPG;
		goto errorMsg;
	    }
	    gotXpg = 1;
	} else {
	    if (gotXpg) {
		msg = mixedXPG;
		goto errorMsg;
	    }
	    gotSequential = 1;
	}
	if ((objIndex < 0) || (objIndex >= objc)) {
	    msg = badIndex[gotXpg];
	    goto errorMsg;
	}

	/*
	 * Step 2. Set of flags. Also build up the sprintf spec.
	 */
	p = spec;
	*p++ = '%';

	gotMinus = 0;
	sawFlag = 1;
	do {
	    switch (ch) {
	    case '-':
		gotMinus = 1;
		break;
	    case '0':
		pad = ch;
		break;
	    case ' ':
	    case '+':
	    case '#':
		break;
	    default:
		sawFlag = 0;
		continue;
	    }
	    *p++ = ch;
	    format += step;
	    step = utf8_tounicode(format, &ch);
	} while (sawFlag);

	/*
	 * Step 3. Minimum field width.
	 */

	width = 0;
	if (isdigit(ch)) {
	    width = strtoul(format, &end, 10);
	    format = end;
	    step = utf8_tounicode(format, &ch);
	} else if (ch == '*') {
	    if (objIndex >= objc - 1) {
		msg = badIndex[gotXpg];
		goto errorMsg;
	    }
	    if (Jim_GetLong(interp, objv[objIndex], &width) != JIM_OK) {
		goto error;
	    }
	    if (width < 0) {
		width = -width;
		if (!gotMinus) {
		    *p++ = '-';
		    gotMinus = 1;
		}
	    }
	    objIndex++;
	    format += step;
	    step = utf8_tounicode(format, &ch);
	}

	/*
	 * Step 4. Precision.
	 */

	gotPrecision = precision = 0;
	if (ch == '.') {
	    gotPrecision = 1;
	    format += step;
	    step = utf8_tounicode(format, &ch);
	}
	if (isdigit(ch)) {
	    precision = strtoul(format, &end, 10);
	    format = end;
	    step = utf8_tounicode(format, &ch);
	} else if (ch == '*') {
	    if (objIndex >= objc - 1) {
		msg = badIndex[gotXpg];
		goto errorMsg;
	    }
	    if (Jim_GetLong(interp, objv[objIndex], &precision) != JIM_OK) {
		goto error;
	    }

	    /*
	     * TODO: Check this truncation logic.
	     */

	    if (precision < 0) {
		precision = 0;
	    }
	    objIndex++;
	    format += step;
	    step = utf8_tounicode(format, &ch);
	}

	/*
	 * Step 5. Length modifier.
	 */

	useShort = 0;
	if (ch == 'h') {
	    useShort = 1;
	    format += step;
	    step = utf8_tounicode(format, &ch);
	} else if (ch == 'l') {
	    /* Just for compatibility. All non-short integers are wide. */
	    format += step;
	    step = utf8_tounicode(format, &ch);
	    if (ch == 'l') {
		format += step;
		step = utf8_tounicode(format, &ch);
	    }
	}

	format += step;
	span = format;

	/*
	 * Step 6. The actual conversion character.
	 */

	if (ch == 'i') {
	    ch = 'd';
	}

	doubleType = 0;

	/* Each valid conversion will set:
	 * formatted_buf   - the result to be added
	 * formatted_chars - the length of formatted_buf in characters 
	 * formatted_bytes - the length of formatted_buf in bytes
	 */
	switch (ch) {
	case '\0':
	    msg = "format string ended in middle of field specifier";
	    goto errorMsg;
	case 's': {
	    formatted_buf = Jim_GetString(objv[objIndex], &formatted_bytes);
	    formatted_chars = Jim_Utf8Length(interp, objv[objIndex]);
	    if (gotPrecision && (precision < formatted_chars)) {
		/* Need to build a (null terminated) truncated string */
		formatted_chars = precision;
		formatted_bytes = utf8_index(formatted_buf, precision);
	    }
	    break;
	}
	case 'c': {
	    jim_wide code;

	    if (Jim_GetWide(interp, objv[objIndex], &code) != JIM_OK) {
		goto error;
	    }
	    /* Just store the value in the 'spec' buffer */
	    formatted_bytes = utf8_fromunicode(spec, code);
	    formatted_buf = spec;
	    formatted_chars = 1;
	    break;
	}

	case 'e':
	case 'E':
	case 'f':
	case 'g':
	case 'G':
	    doubleType = 1;
	    /* fall through */
	case 'd':
	case 'u':
	case 'o':
	case 'x':
	case 'X': {
	    jim_wide w;
	    double d;
	    int length;

	    /* Fill in the width and precision */
	    if (width) {
		p += sprintf(p, "%ld", width);
	    }
	    if (gotPrecision) {
		p += sprintf(p, ".%ld", precision);
	    }

	    /* Now the modifier, and get the actual value here */
	    if (doubleType) {
		if (Jim_GetDouble(interp, objv[objIndex], &d) != JIM_OK) {
		    goto error;
		}
		length = MAX_FLOAT_WIDTH;
	    }
	    else {
		if (Jim_GetWide(interp, objv[objIndex], &w) != JIM_OK) {
		    goto error;
		}
		length = JIM_INTEGER_SPACE;
		if (useShort) {
		    *p++ = 'h';
		    if (ch == 'd') {
			w = (short)w;
		    }
		    else {
			w = (unsigned short)w;
		    }
		}
		else {
		    *p++ = 'l';
#ifdef HAVE_LONG_LONG
		    if (sizeof(long long) == sizeof(jim_wide)) {
			*p++ = 'l';
		    }
#endif
		}
	    }

	    *p++ = (char) ch;
	    *p = '\0';

	    /* Adjust length for width and precision */
	    if (width > length) {
		length = width;
	    }
	    if (gotPrecision) {
		length += precision;
	    }

	    /* Increase the size of the buffer if needed */
	    if (num_buffer_size < length + 1) {
		num_buffer_size = length + 1;
		num_buffer = Jim_Realloc(num_buffer, num_buffer_size);
	    }

	    if (doubleType) {
		snprintf(num_buffer, length + 1, spec, d);
	    }
	    else {
		formatted_bytes = snprintf(num_buffer, length + 1, spec, w);
	    }
	    formatted_chars = formatted_bytes = strlen(num_buffer);
	    formatted_buf = num_buffer;
	    break;
	}

	default: {
	    /* Just reuse the 'spec' buffer */
	    spec[0] = ch;
	    spec[1] = '\0';
	    Jim_SetResultFormatted(interp, "bad field specifier \"%s\"", spec);
	    goto error;
	}
	}

	if (!gotMinus) {
	    while (formatted_chars < width) {
		Jim_AppendString(interp, resultPtr, &pad, 1);
		formatted_chars++;
	    }
	}

	Jim_AppendString(interp, resultPtr, formatted_buf, formatted_bytes);

	while (formatted_chars < width) {
	    Jim_AppendString(interp, resultPtr, &pad, 1);
	    formatted_chars++;
	}

	objIndex += gotSequential;
    }
    if (numBytes) {
	Jim_AppendString(interp, resultPtr, span, numBytes);
    }

    Jim_Free(num_buffer);
    return resultPtr;

  errorMsg:
    Jim_SetResultString(interp, msg, -1);
  error:
    Jim_FreeNewObj(interp, resultPtr);
    Jim_Free(num_buffer);
    return NULL;
}
generated by cgit v1.1 at 2026-01-18 06:25:18 +0000