initial pass

.gitattributes

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+sqlite/* linguist-vendored

.gitignore

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+.vscode
+a.out
+dist/
+cwalk

Makefile

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+COMMIT=$(shell git rev-parse HEAD)
+VERSION=$(shell cat VERSION)
+DATE=$(shell date +'%FT%TZ%z')
+
+CWALK_VERSION=$(shell jq '.version' cwalk/clib.json)
+
+LOADABLE_CFLAGS=-fPIC -shared
+
+ifeq ($(shell uname -s),Darwin)
+CONFIG_DARWIN=y
+else
+CONFIG_LINUX=y
+endif
+
+ifdef CONFIG_DARWIN
+LOADABLE_EXTENSION=dylib
+endif
+
+ifdef CONFIG_LINUX
+LOADABLE_EXTENSION=so
+endif
+TARGET_LOADABLE=dist/path0.$(LOADABLE_EXTENSION)
+
+DEFINE_SQLITE_PATH_DATE=-DSQLITE_PATH_DATE="\"$(DATE)\""
+DEFINE_SQLITE_PATH_VERSION=-DSQLITE_PATH_VERSION="\"$(VERSION)\""
+DEFINE_SQLITE_PATH_SOURCE=-DSQLITE_PATH_SOURCE="\"$(COMMIT)\""
+DEFINE_SQLITE_PATH_CWALK_VERSION=-DSQLITE_PATH_CWALK_VERSION="\"$(CWALK_VERSION)\""
+DEFINE_SQLITE_PATH=$(DEFINE_SQLITE_PATH_DATE) $(DEFINE_SQLITE_PATH_VERSION) $(DEFINE_SQLITE_PATH_SOURCE) $(DEFINE_SQLITE_PATH_CWALK_VERSION)
+
+clean:
+	rm dist/*
+
+FORMAT_FILES=sqlite-path.h sqlite-path.c core_init.c
+format: $(FORMAT_FILES)
+	clang-format -i $(FORMAT_FILES)
+
+loadable: $(TARGET_LOADABLE) $(TARGET_LOADABLE_NOFS)
+
+$(TARGET_LOADABLE): sqlite-path.c
+	gcc -Isqlite -Icwalk/include \
+	$(LOADABLE_CFLAGS) \
+	$(DEFINE_SQLITE_PATH) \
+	$< -o $@ cwalk/src/cwalk.c
+
+dist/sqlite3-extra.c: sqlite/sqlite3.c core_init.c
+	cat sqlite/sqlite3.c core_init.c > $@
+
+test: 
+	make test-format
+	make test-loadable
+
+test-format: SHELL:=/bin/bash
+test-format:
+	diff -u <(cat $(FORMAT_FILES)) <(clang-format $(FORMAT_FILES))
+
+test-loadable: $(TARGET_LOADABLE)
+	python3 tests/test-loadable.py
+
+test-loadable-watch: $(TARGET_LOADABLE)
+	watchexec -w sqlite-path.c -w $(TARGET_LOADABLE) -w tests/test-loadable.py --clear -- make test-loadable
+
+.PHONY: all clean format \
+	test test-watch test-format \
+	loadable test-loadable test-loadable-watch

README.md

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+## TODO
+
+- [ ] lib
+  - [ ] `path_join(...args)`
+  - [ ] `path_join(segment)` aggregate function
+  - [ ] windows/unix?
+- [ ] test loadable
+- [ ] sqlite3 build
+- [ ] wasm build
+- [ ] debug w/ cwalk version
+- [ ] usecases
+  - [ ] local fs, pair with `fsdir`
+  - [ ] zipfile names
+  - [ ] URLs

VERSION

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+v0.0.0

core_init.c

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+/*
+  This file is appended to the end of a sqlite3.c amalgammation
+  file to include sqlite3_lines functions/tables statically in
+  a build. This is used for the demo CLI and WASM implementations.
+*/
+#include "sqlite-path.h"
+int core_init(const char *dummy) {
+  return sqlite3_auto_extension((void *)sqlite3_path_init);
+}