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Diffstat (limited to 'src/xml_depyx.c')
| -rw-r--r-- | src/xml_depyx.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/xml_depyx.c b/src/xml_depyx.c new file mode 100644 index 0000000..1935fc0 --- /dev/null +++ b/src/xml_depyx.c @@ -0,0 +1,242 @@ +/* $Id: xml_depyx.c,v 1.8 2005/03/12 03:24:23 mgrouch Exp $ */ + +/* + +XMLStarlet: Command Line Toolkit to query/edit/check/transform XML documents + +Copyright (c) 2002 Mikhail Grushinskiy. All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + +*/ + +#include <string.h> +#include <stdio.h> +#include <stdlib.h> + +#include <libxml/xmlmemory.h> + +#include "xmlstar.h" +#include "escape.h" + +#define INSZ 4*1024 + +static void +depyxUsage(int argc, char **argv, exit_status status) +{ + extern void fprint_depyx_usage(FILE* o, const char* argv0); + extern const char more_info[]; + FILE *o = (status == EXIT_SUCCESS)? stdout : stderr; + fprint_depyx_usage(o, argv[0]); + fprintf(o, "%s", more_info); + exit(status); +} + +/** + * Decode PYX string + * + */ +void +pyxDecode(char *str, xml_C14NNormalizationMode mode) +{ + while (*str) + { + if ((*str == '\\') && (*(str+1) == 'n')) + { + printf("\n"); + str++; + } + else if ((*str == '\\') && (*(str+1) == 't')) + { + printf("\t"); + str++; + } + else if ((*str == '\\') && (*(str+1) == '\\')) + { + printf("\\"); + str++; + } + else + { + if ((*str == '<') && ((mode == XML_C14N_NORMALIZE_ATTR) || + (mode == XML_C14N_NORMALIZE_TEXT))) { + printf("<"); + } + else if ((*str == '>') && (mode == XML_C14N_NORMALIZE_TEXT)) { + printf(">"); + } + else if ((*str == '&') && ((mode == XML_C14N_NORMALIZE_ATTR) || + (mode == XML_C14N_NORMALIZE_TEXT))) { + printf("&"); + } + else if ((*str == '"') && (mode == XML_C14N_NORMALIZE_ATTR)) { + printf("""); + } + else { + printf("%c", *str); + } + } + str++; + } +} + +/** + * Decode PYX file + * + */ +int +pyxDePyx(char *file) +{ + static char line[INSZ]; + FILE *in = stdin; + + if (strcmp(file, "-")) + { + in = fopen(file, "r"); + if (in == NULL) + { + fprintf(stderr, "error: could not open: %s\n", file); + exit(EXIT_BAD_FILE); + } + } + + while (!feof(in)) + { + if (fgets(line, INSZ - 1, in)) + { + if(line[strlen(line)-1] == '\n') line[strlen(line)-1] = '\0'; + + while (line[0] == '(') + { + printf("<%s", line+1); + if (!feof(in)) + { + if (fgets(line, INSZ - 1, in)) + { + if(line[strlen(line)-1] == '\n') line[strlen(line)-1] = '\0'; + + while(line[0] == 'A') /* attribute */ + { + char *value; + + printf(" "); + value = line+1; + while(*value && (*value != ' ')) + { + printf("%c", *value); + value++; + } + if (*value == ' ') + { + value++; + printf("=\""); + pyxDecode(value, XML_C14N_NORMALIZE_ATTR); /* attribute value */ + printf("\""); + } + if (!feof(in)) + { + if (fgets(line, INSZ - 1, in)) + { + if(line[strlen(line)-1] == '\n') line[strlen(line)-1] = '\0'; + } + } + } + printf(">"); + } + } + } + + if (line[0] == '-') + { + /* text */ + pyxDecode(line+1, XML_C14N_NORMALIZE_TEXT); + } + else if (line[0] == '?') + { + /* processing instruction */ + printf("<?"); + pyxDecode(line+1, XML_C14N_NORMALIZE_TEXT); + printf("?>"); + printf("\n"); /* is this correct? */ + } + else if (line[0] == 'D') + { + /* processing instruction */ + printf("<!DOCTYPE"); + pyxDecode(line+1, XML_C14N_NORMALIZE_TEXT); + printf(">"); + printf("\n"); /* is this correct? */ + } + else if (line[0] == 'C') + { + /* comment */ + printf("<!--"); + pyxDecode(line+1, XML_C14N_NORMALIZE_TEXT); + printf("-->"); + printf("\n"); /* is this correct? */ + } + else if (line[0] == '[') + { + /* CDATA */ + printf("<![CDATA["); + pyxDecode(line+1, XML_C14N_NORMALIZE_NOTHING); + printf("]]>"); + printf("\n"); /* is this correct? */ + } + else if (line[0] == ')') + { + printf("</%s>", line+1); + } + } + } + + return EXIT_SUCCESS; +} + +/** + * Main function for 'de-PYX' + * + */ +int +depyxMain(int argc, char **argv) +{ + int ret = EXIT_SUCCESS; + + if ((argc >= 3) && (!strcmp(argv[2], "-h") || !strcmp(argv[2], "--help"))) + { + depyxUsage(argc, argv, EXIT_SUCCESS); + } + else if (argc == 3) + { + ret = pyxDePyx(argv[2]); + } + else if (argc == 2) + { + ret = pyxDePyx("-"); + } + else + { + depyxUsage(argc, argv, EXIT_BAD_ARGS); + } + + printf("\n"); + + return ret; +} + |