diff options
Diffstat (limited to 'utils/hp2ps/AuxFile.c')
| -rw-r--r-- | utils/hp2ps/AuxFile.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/utils/hp2ps/AuxFile.c b/utils/hp2ps/AuxFile.c new file mode 100644 index 0000000000..9998d3fc13 --- /dev/null +++ b/utils/hp2ps/AuxFile.c @@ -0,0 +1,168 @@ +#include "Main.h" +#include <ctype.h> +#include <stdio.h> +#include <string.h> +#include "Defines.h" +#include "Shade.h" +#include "Error.h" +#include "HpFile.h" +#include "Reorder.h" + +/* own stuff */ +#include "AuxFile.h" + +static void GetAuxLine PROTO((FILE *)); /* forward */ +static void GetAuxTok PROTO((FILE *)); /* forward */ + +void +GetAuxFile(auxfp) + FILE* auxfp; +{ + ch = ' '; + endfile = 0; + linenum = 1; + + GetAuxTok(auxfp); + + while (endfile == 0) { + GetAuxLine(auxfp); + } + + fclose(auxfp); +} + + + +/* + * Read the next line from the aux file, check the syntax, and + * perform the appropriate action. + */ + +static void +GetAuxLine(auxfp) + FILE* auxfp; +{ + switch (thetok) { + case X_RANGE_TOK: + GetAuxTok(auxfp); + if (thetok != FLOAT_TOK) { + Error("%s, line %d, floating point number must follow X_RANGE", + auxfile, linenum); + } + auxxrange = thefloatish; + GetAuxTok(auxfp); + break; + case Y_RANGE_TOK: + GetAuxTok(auxfp); + if (thetok != FLOAT_TOK) { + Error("%s, line %d, floating point number must follow Y_RANGE", + auxfile, linenum); + } + auxyrange = thefloatish; + GetAuxTok(auxfp); + break; + case ORDER_TOK: + GetAuxTok(auxfp); + if (thetok != IDENTIFIER_TOK) { + Error("%s, line %d: identifier must follow ORDER", + auxfile, linenum); + } + GetAuxTok(auxfp); + if (thetok != INTEGER_TOK) { + Error("%s, line %d: identifier and integer must follow ORDER", + auxfile, linenum); + } + OrderFor(theident, theinteger); + GetAuxTok(auxfp); + break; + case SHADE_TOK: + GetAuxTok(auxfp); + if (thetok != IDENTIFIER_TOK) { + Error("%s, line %d: identifier must follow SHADE", + auxfile, linenum); + } + GetAuxTok(auxfp); + if (thetok != FLOAT_TOK) { + Error("%s, line %d: identifier and floating point number must follow SHADE", + auxfile, linenum); + } + ShadeFor(theident, thefloatish); + GetAuxTok(auxfp); + break; + case EOF_TOK: + endfile = 1; + break; + default: + Error("%s, line %d: %s unexpected", auxfile, linenum, + TokenToString(thetok)); + break; + } +} + + + +/* + * Read the next token from the input and assign its value + * to the global variable "thetok". In the case of numbers, + * the corresponding value is also assigned to "thefloatish"; + * in the case of identifiers it is assigned to "theident". + */ + +static void GetAuxTok(auxfp) +FILE* auxfp; +{ + + while (isspace(ch)) { /* skip whitespace */ + if (ch == '\n') linenum++; + ch = getc(auxfp); + } + + if (ch == EOF) { + thetok = EOF_TOK; + return; + } + + if (isdigit(ch)) { + thetok = GetNumber(auxfp); + return; + } else if (IsIdChar(ch)) { /* ch can't be a digit here */ + GetIdent(auxfp); + if (!isupper((int)theident[0])) { + thetok = IDENTIFIER_TOK; + } else if (strcmp(theident, "X_RANGE") == 0) { + thetok = X_RANGE_TOK; + } else if (strcmp(theident, "Y_RANGE") == 0) { + thetok = Y_RANGE_TOK; + } else if (strcmp(theident, "ORDER") == 0) { + thetok = ORDER_TOK; + } else if (strcmp(theident, "SHADE") == 0) { + thetok = SHADE_TOK; + } else { + thetok = IDENTIFIER_TOK; + } + return; + } else { + Error("%s, line %d: strange character (%c)", auxfile, linenum, ch); + } +} + +void +PutAuxFile(auxfp) + FILE* auxfp; +{ + int i; + + fprintf(auxfp, "X_RANGE %.2f\n", xrange); + fprintf(auxfp, "Y_RANGE %.2f\n", yrange); + + for (i = 0; i < nidents; i++) { + fprintf(auxfp, "ORDER %s %d\n", identtable[i]->name, i+1); + } + + for (i = 0; i < nidents; i++) { + fprintf(auxfp, "SHADE %s %.2f\n", identtable[i]->name, + ShadeOf(identtable[i]->name)); + } + + fclose(auxfp); +} |