ICU-59117.0.1.tar.gz

[apple/icu.git] / icuSources / tools / toolutil / flagparser.c

diff --git a/icuSources/tools/toolutil/flagparser.c b/icuSources/tools/toolutil/flagparser.c
deleted file mode 100644 (file)
index fac18e2..0000000
--- a/icuSources/tools/toolutil/flagparser.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/******************************************************************************
- *   Copyright (C) 2009-2015, International Business Machines
- *   Corporation and others.  All Rights Reserved.
- *******************************************************************************
- */
-
-#include "flagparser.h"
-#include "filestrm.h"
-#include "cstring.h"
-#include "cmemory.h"
-
-#define DEFAULT_BUFFER_SIZE 512
-
-static int32_t currentBufferSize = DEFAULT_BUFFER_SIZE;
-
-static int32_t extractFlag(char* buffer, int32_t bufferSize, char* flag, int32_t flagSize, const char ** flagNames, int32_t numOfFlags, UErrorCode *status);
-static int32_t getFlagOffset(const char *buffer, int32_t bufferSize);
-
-/*
- * Opens the given fileName and reads in the information storing the data in flagBuffer.
- */
-U_CAPI int32_t U_EXPORT2
-parseFlagsFile(const char *fileName, char **flagBuffer, int32_t flagBufferSize, const char ** flagNames, int32_t numOfFlags, UErrorCode *status) {
-    char* buffer = NULL;
-    char* tmpFlagBuffer = NULL;
-    UBool allocateMoreSpace = FALSE;
-    int32_t idx, i;
-    int32_t result = 0;
-
-    FileStream *f = T_FileStream_open(fileName, "r");
-    if (f == NULL) {
-        *status = U_FILE_ACCESS_ERROR;
-        goto parseFlagsFile_cleanup;
-    }
-    
-    buffer = uprv_malloc(sizeof(char) * currentBufferSize);
-    tmpFlagBuffer = uprv_malloc(sizeof(char) * flagBufferSize);
-
-    if (buffer == NULL || tmpFlagBuffer == NULL) {
-        *status = U_MEMORY_ALLOCATION_ERROR;
-        goto parseFlagsFile_cleanup;
-    }
-
-    do {
-        if (allocateMoreSpace) {
-            allocateMoreSpace = FALSE;
-            currentBufferSize *= 2;
-            uprv_free(buffer);
-            buffer = uprv_malloc(sizeof(char) * currentBufferSize);
-            if (buffer == NULL) {
-                *status = U_MEMORY_ALLOCATION_ERROR;
-                goto parseFlagsFile_cleanup;
-            }
-        }
-        for (i = 0; i < numOfFlags;) {
-            if (T_FileStream_readLine(f, buffer, currentBufferSize) == NULL) {
-                /* End of file reached. */
-                break;
-            }
-            if (buffer[0] == '#') {
-                continue;
-            }
-
-            if (uprv_strlen(buffer) == (currentBufferSize - 1) && buffer[currentBufferSize-2] != '\n') {
-                /* Allocate more space for buffer if it didnot read the entrire line */
-                allocateMoreSpace = TRUE;
-                T_FileStream_rewind(f);
-                break;
-            } else {
-                idx = extractFlag(buffer, currentBufferSize, tmpFlagBuffer, flagBufferSize, flagNames, numOfFlags, status);
-                if (U_FAILURE(*status)) {
-                    if (*status == U_BUFFER_OVERFLOW_ERROR) {
-                        result = currentBufferSize;
-                    } else {
-                        result = -1;
-                    }
-                    break;
-                } else {
-                    if (flagNames != NULL) {
-                        if (idx >= 0) {
-                            uprv_strcpy(flagBuffer[idx], tmpFlagBuffer);
-                        } else {
-                            /* No match found.  Skip it. */
-                            continue;
-                        }
-                    } else {
-                        uprv_strcpy(flagBuffer[i++], tmpFlagBuffer);
-                    }
-                }
-            }
-        }
-    } while (allocateMoreSpace && U_SUCCESS(*status));
-
-parseFlagsFile_cleanup:
-    uprv_free(tmpFlagBuffer);
-    uprv_free(buffer);
-
-    T_FileStream_close(f);
-    
-    if (U_FAILURE(*status) && *status != U_BUFFER_OVERFLOW_ERROR) {
-        return -1;
-    }
-
-    if (U_SUCCESS(*status) && result == 0) {
-        currentBufferSize = DEFAULT_BUFFER_SIZE;
-    }
-
-    return result;
-}
-
-
-/*
- * Extract the setting after the '=' and store it in flag excluding the newline character.
- */
-static int32_t extractFlag(char* buffer, int32_t bufferSize, char* flag, int32_t flagSize, const char **flagNames, int32_t numOfFlags, UErrorCode *status) {
-    int32_t i, idx = -1;
-    char *pBuffer;
-    int32_t offset=0;
-    UBool bufferWritten = FALSE;
-
-    if (buffer[0] != 0) {
-        /* Get the offset (i.e. position after the '=') */
-        offset = getFlagOffset(buffer, bufferSize);
-        pBuffer = buffer+offset;
-        for(i = 0;;i++) {
-            if (i >= flagSize) {
-                *status = U_BUFFER_OVERFLOW_ERROR;
-                return -1;
-            }
-            if (pBuffer[i+1] == 0) {
-                /* Indicates a new line character. End here. */
-                flag[i] = 0;
-                break;
-            }
-
-            flag[i] = pBuffer[i];
-            if (i == 0) {
-                bufferWritten = TRUE;
-            }
-        }
-    }
-
-    if (!bufferWritten) {
-        flag[0] = 0;
-    }
-
-    if (flagNames != NULL && offset>0) {
-        offset--;  /* Move offset back 1 because of '='*/
-        for (i = 0; i < numOfFlags; i++) {
-            if (uprv_strncmp(buffer, flagNames[i], offset) == 0) {
-                idx = i;
-                break;
-            }
-        }
-    }
-
-    return idx;
-}
-
-/*
- * Get the position after the '=' character.
- */
-static int32_t getFlagOffset(const char *buffer, int32_t bufferSize) {
-    int32_t offset = 0;
-
-    for (offset = 0; offset < bufferSize;offset++) {
-        if (buffer[offset] == '=') {
-            offset++;
-            break;
-        }
-    }
-
-    if (offset == bufferSize || (offset - 1) == bufferSize) {
-        offset = 0;
-    }
-
-    return offset;
-}