turn readopt into a single-header library
This commit is contained in:
parent
0650e1ddb9
commit
3ecc2317ab
11 changed files with 600 additions and 759 deletions
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@ -1,23 +0,0 @@
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CC = cc
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LDFLAGS = -lreadopt
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MACROS = -D_POSIX_C_SOURCE=200809L
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CFLAGS = $(MACROS) --std=c99 -O2 -g -Wall -Wextra -Wpedantic
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SOURCES = test.c
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OBJECTS = $(SOURCES:.c=.o)
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RM = rm -f --
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CP = cp --
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all: test
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%.o: %.c
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$(CC) $(CFLAGS) -c $<
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test: $(OBJECTS)
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$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
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clean:
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$(RM) $(OBJECTS)
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.PHONY: clean
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@ -1,4 +1,4 @@
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# vim: set tabstop=2 shiftwidth=2 expandtab :
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# vim:set tabstop=2 shiftwidth=2 expandtab:
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include config.ninja
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@ -1,9 +1,9 @@
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# vim: set tabstop=2 shiftwidth=2 expandtab :
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# vim:set tabstop=2 shiftwidth=2 expandtab:
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cc = cc
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macros = -D _POSIX_C_SOURCE=200809L -D NDEBUG
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cflags = --std=c99 -Wall -Wextra -Wpedantic -g $macros -O2
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macros = -D NDEBUG
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cflags = -std=c99 -Wall -Wextra -Wpedantic -g $macros -O2
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ldflags =
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ldlibs = -lreadopt
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ldlibs =
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target = ./test
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341
test/test.c
341
test/test.c
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@ -1,200 +1,163 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <stdint.h>
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#define READOPT_IMPLEMENTATION
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#include <readopt.h>
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#include "../readopt.h"
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int
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main(int argc, char **argv)
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int main(int argc, char **argv)
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{
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if (!*argv)
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return EXIT_FAILURE;
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struct readopt_opt opts[] = {
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("e", "x"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("expr", "expression"),
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},
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.cont = {
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.req = 1,
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.oper.bounds.val = {
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1,
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4,
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},
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},
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("c"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("config"),
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},
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.cont = {
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.req = 1,
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.oper = {
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.name = "file",
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.bounds.val = {
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2,
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},
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},
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},
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("i"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("uri"),
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},
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.cont = {
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.req = 1,
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.oper.bounds.inf = 1,
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},
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("b"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("backup", "backup-file"),
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},
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.cont = {
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.req = 1,
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.oper.bounds.inf = 1,
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},
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("v"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("verbose"),
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},
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.cont.oper.bounds.val = {
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3,
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},
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("s"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("sort"),
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},
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.cont.oper.bounds.inf = 1,
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},
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{
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.names = {
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("help"),
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},
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.cont.oper.bounds.val = {
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1,
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},
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("V"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("version"),
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},
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.cont.oper.bounds.val = {
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1,
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},
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},
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{0},
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};
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struct readopt_opt opts[] = {
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("e", "x"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("expr", "expression")
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},
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.cont = {
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.req = 1,
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.oper.bounds.val = {1, 4}
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}
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("c"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("config")
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},
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.cont = {
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.req = 1,
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.oper = {
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.name = "file",
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.bounds.val = {2},
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}
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}
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("i"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("uri")
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},
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.cont = {
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.req = 1,
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.oper.bounds.inf = 1
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}
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("b"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("backup", "backup-file")
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},
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.cont = {
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.req = 1,
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.oper.bounds.inf = 1
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}
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("v"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("verbose")
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},
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.cont.oper.bounds.val = {3}
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("s"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("sort")
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},
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.cont.oper.bounds.inf = 1
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},
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{
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.names = {
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("help")
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},
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.cont.oper.bounds.val = {1}
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},
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{
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.names = {
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[READOPT_FORM_SHORT] = READOPT_ALLOC_STRINGS("V"),
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[READOPT_FORM_LONG] = READOPT_ALLOC_STRINGS("version")
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},
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.cont.oper.bounds.val = {1}
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},
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{0}
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};
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struct readopt_oper opers[] = {
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{.name = "pattern",
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.bounds.inf = 1},
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{.name = "file",
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.bounds = {
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.val = {1},
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.inf = 1}},
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{.name = "name", .bounds = {.val = {1}, .inf = 1}},
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{0}};
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struct readopt_oper opers[] = {
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{
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.name = "pattern",
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.bounds.inf = 1
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},
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{
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.name = "file",
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.bounds = {
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.val = {1},
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.inf = 1
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}
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},
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{
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.name = "name",
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.bounds = {
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.val = {1},
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.inf = 1
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}
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},
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{0}
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};
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struct readopt_parser rp;
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readopt_parser_init(
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&rp,
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opts,
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opers,
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(struct readopt_view_strings){
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.strings = (const char **)argv + 1,
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.len = argc - 1});
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struct readopt_parser rp;
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readopt_parser_init(
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&rp,
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opts,
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opers,
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(struct readopt_view_strings){
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.strings = (const char **)argv + 1,
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.len = argc - 1
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}
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);
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while (readopt_parse(&rp))
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;
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while (readopt_parse(&rp));
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fprintf(stderr, "error: %d\n", rp.error);
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if (rp.error != READOPT_ERROR_SUCCESS)
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{
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return 1;
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}
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fputs("error: ", stderr);
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readopt_put_error(rp.error, &(struct readopt_write_context){
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.dest.stream = stderr
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});
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fputc('\n', stderr);
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if (rp.error != READOPT_ERROR_SUCCESS) {
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return EXIT_FAILURE;
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}
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printf("opt:\n");
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{
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struct readopt_opt *curr = rp.opts;
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for (size_t i = 0; readopt_validate_opt(curr + i); i++)
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{
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for (size_t j = 0; j < sizeof curr[i].names / sizeof *curr[i].names; j++)
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{
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if (curr[i].names[j])
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{
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for (size_t k = 0; curr[i].names[j][k]; k++)
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{
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printf("%s ", curr[i].names[j][k]);
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}
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}
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}
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printf("{ [%zu] ", curr[i].cont.oper.val.len);
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if (curr[i].cont.req)
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{
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struct readopt_view_strings val = curr[i].cont.oper.val;
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for (size_t j = 0; j < val.len; j++)
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{
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printf("%s ", val.strings[j]);
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}
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}
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printf("}\n");
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}
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}
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printf("opt:\n");
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{
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struct readopt_opt *curr = rp.opts;
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for (size_t i = 0; readopt_validate_opt(curr + i); i++) {
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for (size_t j = 0; j < sizeof curr[i].names / sizeof *curr[i].names; j++) {
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if (curr[i].names[j]) {
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for (size_t k = 0; curr[i].names[j][k]; k++) {
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printf("%s ", curr[i].names[j][k]);
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}
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}
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}
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printf("{ [%zu] ", curr[i].cont.oper.val.len);
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if (curr[i].cont.req) {
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struct readopt_view_strings val = curr[i].cont.oper.val;
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for (size_t j = 0; j < val.len; j++) {
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printf("%s ", val.strings[j]);
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}
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}
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printf("}\n");
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}
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}
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printf("oper:\n");
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{
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struct readopt_oper *curr = rp.opers;
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for (size_t i = 0; readopt_validate_oper(curr + i); i++)
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{
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printf("%s { [%zu] ", curr[i].name, curr[i].val.len);
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for (size_t j = 0; j < curr[i].val.len; j++)
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{
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printf("%s ", curr[i].val.strings[j]);
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}
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printf("}\n");
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}
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}
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printf("oper:\n");
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{
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struct readopt_oper *curr = rp.opers;
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for (size_t i = 0; readopt_validate_oper(curr + i); i++) {
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printf("%s { [%zu] ", curr[i].name, curr[i].val.len);
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for (size_t j = 0; j < curr[i].val.len; j++) {
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printf("%s ", curr[i].val.strings[j]);
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}
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printf("}\n");
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}
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}
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printf("usage (plain) (stream):\n");
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readopt_put_usage(&rp, &(struct readopt_format_context){
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.fmt = READOPT_FORMAT_PLAIN,
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.wr = &(struct readopt_write_context){
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.dest.stream = stdout,
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}
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});
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printf("\nusage (mdoc) (stream):\n");
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readopt_put_usage(&rp, &(struct readopt_format_context){
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.fmt = READOPT_FORMAT_MDOC,
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.wr = &(struct readopt_write_context){
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.dest.stream = stdout,
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}
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});
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size_t sz = 0;
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char *buf = NULL;
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/* alternatively, use fmemopen and increase the buffer size via the callback */
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FILE *stream = open_memstream(&buf, &sz);
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readopt_put_usage(&rp, &(struct readopt_format_context){
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.fmt = READOPT_FORMAT_MDOC,
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.wr = &(struct readopt_write_context){
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.dest = {
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.stream = stream,
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.size = SIZE_MAX
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}
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}
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});
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fflush(stream);
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printf("usage (mdoc) (buffer):\n%s", buf);
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fclose(stream);
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free(buf);
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return 0;
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return 0;
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}
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